Chemical Datasheet
TABUN |
Chemical Identifiers
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Chemical Identifier fields
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NFPA diamond
U.S. Department of Transportation hazard labels, and a general
description of the chemical. The information in CAMEO Chemicals comes
from a variety of
data sources.
| CAS Number | UN/NA Number | DOT Hazard Label | USCG CHRIS Code |
|---|---|---|---|
|
none | data unavailable | none |
| NIOSH Pocket Guide | International Chem Safety Card | ||
| none | none | ||
NFPA 704
data unavailable
General Description
A chemical warfare nerve agent. Colorless to brown liquid with a faint fruity odor.
Hazards
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Hazard fields
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special hazard alerts
air and water
reactions, fire hazards, health hazards, a reactivity profile, and
details about
reactive groups assignments
and
potentially incompatible absorbents.
The information in CAMEO Chemicals comes from a variety of
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Reactivity Alerts
none
Air & Water Reactions
Hydrolysis forms hydrogen cyanide.
Fire Hazard
For information on chemical warfare nerve agents see the ERG Criminal or Terrorist Use of CBR Agents. (ERG, 2024)
Extremely poisonous. (Non-Specific -- Poison A, Liquid) Keep away from sparks, flames, and sources of ignition. Keep out of water sources and sewers. Hydrolysis forms hydrogen cyanide. When heated to decomposition, it emits very toxic fumes of oxides of phosphorus and nitrogen. Avoid water and acids. Can react with oxidizing materials. (EPA, 1998)
Extremely poisonous. (Non-Specific -- Poison A, Liquid) Keep away from sparks, flames, and sources of ignition. Keep out of water sources and sewers. Hydrolysis forms hydrogen cyanide. When heated to decomposition, it emits very toxic fumes of oxides of phosphorus and nitrogen. Avoid water and acids. Can react with oxidizing materials. (EPA, 1998)
Health Hazard
For information on chemical warfare nerve agents see the ERG Criminal or Terrorist Use of CBR Agents. (ERG, 2024)
This material is toxic by inhalation and by absorption through skin and eyes. The lethal dose for humans may be as low as 0.01 mg/kg. Tabun is a nerve agent; it acts as a cholinesterase inhibitor. The median lethal dosage (respiratory) is 400 mg-minute/m3 for humans; the median incapacitating dosage is 300 mg-minute/m3. Respiratory lethal dosages kill in 1 to 10 minutes; liquid in the eye kills nearly as rapidly. Skin absorption great enough to cause death may occur in 1 to 2 minutes, but may be delayed for 1 to 2 hours. (EPA, 1998)
This material is toxic by inhalation and by absorption through skin and eyes. The lethal dose for humans may be as low as 0.01 mg/kg. Tabun is a nerve agent; it acts as a cholinesterase inhibitor. The median lethal dosage (respiratory) is 400 mg-minute/m3 for humans; the median incapacitating dosage is 300 mg-minute/m3. Respiratory lethal dosages kill in 1 to 10 minutes; liquid in the eye kills nearly as rapidly. Skin absorption great enough to cause death may occur in 1 to 2 minutes, but may be delayed for 1 to 2 hours. (EPA, 1998)
Reactivity Profile
When heated to decomposition, TABUN emits very toxic fumes of oxides of phosphorus and nitrogen. Avoid water and acids. Can react with oxidizing materials. [EPA, 1998].
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents
Use caution: Liquids with this reactive group classification have been known to react with the absorbent listed below. More info about absorbents, including situations to watch out for...
- Mineral-Based & Clay-Based Absorbents
Response Recommendations
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Response Recommendation fields
include isolation and evacuation distances, as well as recommendations for
firefighting, non-fire response, protective clothing, and first aid. The
information in CAMEO Chemicals comes from a variety of
data sources.
Isolation and Evacuation
For initial isolation and protective action distances for chemical warfare nerve agents see the Chemical Warfare Agents table in the ERG Criminal or Terrorist Use of CBR Agents. (ERG, 2024)
Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]:
IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.
SPILL: Increase the immediate precautionary measure distance, in the downwind direction, as necessary.
FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)
Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]:
IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.
SPILL: Increase the immediate precautionary measure distance, in the downwind direction, as necessary.
FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)
Firefighting
For information on chemical warfare nerve agents see the ERG Criminal or Terrorist Use of CBR Agents. (ERG, 2024)
Complete protection required; have available decontaminants (bleach, alkali) and atropine. Bleaching powder (chlorinated line) destroys Tabun but gives rise to cyanogen chloride.
(Non-Specific -- Poison A, Liquid) Extinguish with alcohol foam, carbon dioxide, or dry chemical. (EPA, 1998)
Complete protection required; have available decontaminants (bleach, alkali) and atropine. Bleaching powder (chlorinated line) destroys Tabun but gives rise to cyanogen chloride.
(Non-Specific -- Poison A, Liquid) Extinguish with alcohol foam, carbon dioxide, or dry chemical. (EPA, 1998)
Non-Fire Response
For information on chemical warfare nerve agents see the ERG Criminal or Terrorist Use of CBR Agents. (ERG, 2024)
(Non-Specific -- Poison A, Liquid) When handling, avoid breathing vapors, keep upwind, avoid bodily contact with the material, and upon skin contact wash with soap and water. Speed in removing material from skin is of extreme importance. Remove and isolate contaminated clothing and shoes. (EPA, 1998)
(Non-Specific -- Poison A, Liquid) When handling, avoid breathing vapors, keep upwind, avoid bodily contact with the material, and upon skin contact wash with soap and water. Speed in removing material from skin is of extreme importance. Remove and isolate contaminated clothing and shoes. (EPA, 1998)
Protective Clothing
For information on chemical warfare nerve agents see the ERG Criminal or Terrorist Use of CBR Agents. (ERG, 2024)
For emergency situations, wear a positive pressure, pressure-demand, full facepiece self-contained breathing apparatus (SCBA) or pressure- demand supplied air respirator with escape SCBA and a fully-encapsulating, chemical resistant suit. (EPA, 1998)
For emergency situations, wear a positive pressure, pressure-demand, full facepiece self-contained breathing apparatus (SCBA) or pressure- demand supplied air respirator with escape SCBA and a fully-encapsulating, chemical resistant suit. (EPA, 1998)
DuPont Tychem® Suit Fabrics
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Tychem® Fabric Legend
| QS = Tychem 2000 SFR |
| QC = Tychem 2000 |
| SL = Tychem 4000 |
| C3 = Tychem 5000 |
| TF = Tychem 6000 |
| TP = Tychem 6000 FR |
| RC = Tychem RESPONDER® CSM |
| TK = Tychem 10000 |
| RF = Tychem 10000 FR |
Testing Details
The fabric permeation data was generated for DuPont by a third party
laboratory. Permeation data for industrial chemicals is obtained per
ASTM F739. Normalized breakthrough times (the time at which the
permeation rate exceeds 0.1 μg/cm2/min) are reported in minutes. All
chemicals have been tested between approximately 20°C and 27°C unless
otherwise stated. All chemicals have been tested at a concentration of
greater than 95% unless otherwise stated.
Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur Mustard, Tabun
and VX Nerve Agent) have been tested at 22°C and 50% relative humidity
per military standard MIL-STD-282. "Breakthrough time" for chemical
warfare agents is defined as the time when the cumulative mass which
permeated through the fabric exceeds the limit in MIL-STD-282 [either
1.25 or 4.0 μg/cm2].
A Caution from DuPont
This information is based upon technical data that DuPont believes to
be reliable on the date issued. It is subject to revision as additional
knowledge and experience are gained. The information reflects
laboratory performance of fabrics, not complete garments, under
controlled conditions. It is intended for informational use by persons
having technical skill for evaluation under their specific end-use
conditions, at their own discretion and risk. It is the user's
responsibility to determine the level of toxicity and the proper
personal protective equipment needed. Anyone intending to use this
information should first verify that the garment selected is suitable
for the intended use. In many cases, seams and closures have shorter
breakthrough times and higher permeation rates than the fabric. If
fabric becomes torn,abraded or punctured, or if seams or closures fail,
or if attached gloves, visors, etc. are damaged, end user should
discontinue use of garment to avoid potential exposure to chemical.
Since conditions of use are outside our control, DuPont makes no
warranties, express or implied, including, without limitation, no
warranties of merchantability or fitness for a particular use and
assume no liability in connection with any use of this information.
This information is not intended as a license to operate under or a
recommendation to infringe any patent, trademark or technical
information of DuPont or others covering any material or its use.
| Chemical | CAS Number | State | QS | QC | SL | C3 | TF | TP | RC | TK | RF |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tabun (GA), FINABEL 0.7.C | 77-81-6 | Liquid | >1400⁸ | >1400⁸ | |||||||
| Tabun (GA), MIL-STD-282 (10 g/m2) | 77-81-6 | Liquid | >480⁸ | >480⁸ | >480⁸ | ||||||
| Tabun (GA), MIL-STD-282 (100 g/m2) | 77-81-6 | Liquid | >480⁸ | >480⁸ | >480⁸ |
> indicates greater than.
⁸ indicates actual breakthrough time; normalized breakthrough time is not available.
⁸ indicates actual breakthrough time; normalized breakthrough time is not available.
Special Warning from DuPont: Tychem® and Tyvek® fabrics should not be used around heat, flames, sparks or in potentially flammable or explosive environments. Only...
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...Tychem® ThermoPro, Tychem® Reflector® and Tychem® TK styles 600T/601T
(with aluminized outer suit) garments are designed and tested to help
reduce burn injury during escape from a flash fire. Users of Tychem®
ThermoPro, Tychem® Reflector® and Tychem® TK styles 600T/601T (with
aluminized outer suit) garments should not knowingly enter an explosive
environment. Tychem® garments with attached socks must be worn inside
protective outer footwear and are not suitable as outer footwear. These
attached socks do not have adequate durability or slip resistance to be
worn as the outer foot covering.
(DuPont, 2024)
First Aid
For information on chemical warfare nerve agents see the ERG Criminal or Terrorist Use of CBR Agents. (ERG, 2024)
Warning: Highly toxic when inhaled or absorbed through the skin or the eyes. Potent cholinesterase inhibitor. Effects may be delayed. Caution is advised.
Signs and Symptoms of Tabun Exposure: Acute exposure to tabun may include headache, dizziness, muscle spasms, twitching, weakness, agitation, confusion, delirium, seizures, CNS depression, and coma. Miosis (contraction of the pupil), blurred vision, lacrimation, tachycardia (rapid heart beat) or bradycardia (slow heart beat), hypertension or hypotension, and chest pain also are common. Respiratory effects include bronchospasm, bronchial secretions, dyspnea (difficult or labored breathing), rales (abnormal respiratory sound), respiratory depression and respiratory paralysis. Gastrointestinal effects include salivation, vomiting, diarrhea, and abdominal pain.
Emergency Life-Support Procedures: Acute exposure to tabun may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination. Air-purifying or supplied-air respiratory equipment should also be worn, as necessary. Rescue vehicles should carry supplies such as plastic sheeting and disposable plastic bags to assist in preventing spread of contamination.
Inhalation Exposure:
1. Move victims to fresh air. Emergency personnel should avoid self-exposure to tabun.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
4. Rush to a health care facility.
Dermal/Eye Exposure:
1. Remove victims from exposure. Emergency personnel should avoid self-exposure to tabun.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. Remove contaminated clothing and shoes as soon as possible. Speed in removing material from skin is of extreme importance.
4. If eye exposure has occurred, eyes must be flushed with lukewarm water for at least 15 minutes.
5. Wash exposed skin areas thoroughly with soap and water. Speed in removing material from skin is of extreme importance.
6. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
7. Rush to a health care facility.
Ingestion Exposure:
1. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
2. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
3. DO NOT induce vomiting.
4. Activated charcoal may be administered if victims are conscious and alert. Use 15 to 30 g (1/2 to 1 oz) for children, 50 to 100 g (1-3/4 to 3-1/2 oz) for adults, with 125 to 250 mL (1/2 to 1 cup) of water.
5. Promote excretion by administering a saline cathartic or sorbitol to conscious and alert victims. Children require 15 to 30 g (1/2 to 1 oz) of cathartic; 50 to 100 g (1-3/4 to 3-1/2 oz) is recommended for adults.
6. Rush to a health care facility. (EPA, 1998)
Warning: Highly toxic when inhaled or absorbed through the skin or the eyes. Potent cholinesterase inhibitor. Effects may be delayed. Caution is advised.
Signs and Symptoms of Tabun Exposure: Acute exposure to tabun may include headache, dizziness, muscle spasms, twitching, weakness, agitation, confusion, delirium, seizures, CNS depression, and coma. Miosis (contraction of the pupil), blurred vision, lacrimation, tachycardia (rapid heart beat) or bradycardia (slow heart beat), hypertension or hypotension, and chest pain also are common. Respiratory effects include bronchospasm, bronchial secretions, dyspnea (difficult or labored breathing), rales (abnormal respiratory sound), respiratory depression and respiratory paralysis. Gastrointestinal effects include salivation, vomiting, diarrhea, and abdominal pain.
Emergency Life-Support Procedures: Acute exposure to tabun may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination. Air-purifying or supplied-air respiratory equipment should also be worn, as necessary. Rescue vehicles should carry supplies such as plastic sheeting and disposable plastic bags to assist in preventing spread of contamination.
Inhalation Exposure:
1. Move victims to fresh air. Emergency personnel should avoid self-exposure to tabun.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
4. Rush to a health care facility.
Dermal/Eye Exposure:
1. Remove victims from exposure. Emergency personnel should avoid self-exposure to tabun.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. Remove contaminated clothing and shoes as soon as possible. Speed in removing material from skin is of extreme importance.
4. If eye exposure has occurred, eyes must be flushed with lukewarm water for at least 15 minutes.
5. Wash exposed skin areas thoroughly with soap and water. Speed in removing material from skin is of extreme importance.
6. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
7. Rush to a health care facility.
Ingestion Exposure:
1. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
2. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
3. DO NOT induce vomiting.
4. Activated charcoal may be administered if victims are conscious and alert. Use 15 to 30 g (1/2 to 1 oz) for children, 50 to 100 g (1-3/4 to 3-1/2 oz) for adults, with 125 to 250 mL (1/2 to 1 cup) of water.
5. Promote excretion by administering a saline cathartic or sorbitol to conscious and alert victims. Children require 15 to 30 g (1/2 to 1 oz) of cathartic; 50 to 100 g (1-3/4 to 3-1/2 oz) is recommended for adults.
6. Rush to a health care facility. (EPA, 1998)
Physical Properties
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The
Physical Property fields
include properties such as vapor pressure and
boiling point, as well as explosive limits and
toxic exposure thresholds
The information in CAMEO Chemicals comes from a variety of
data sources.
Note: For Vapor Density and Specific Gravity, comparing the value to 1.0 can tell you if the chemical will likely sink/rise in air or sink/float in fresh water (respectively). Short phrases have been added to those values below as an aid. However, make sure to also consider the circumstances of a release. The Vapor Density comparisons are only valid when the gas escaping is at the same temperature as the surrounding air itself. If the chemical is escaping from a container where it was pressurized or refrigerated, it may first escape and behave as a heavy gas and sink in the air (even if it has a Vapor Density value less than 1). Also, the Specific Gravity comparisons are for fresh water (density 1.0 g/mL). If your spill is in salt water (density about 1.027 g/mL), you need to adjust the point of comparison. There are some chemicals that will sink in fresh water and float in salt water.
Note: For Vapor Density and Specific Gravity, comparing the value to 1.0 can tell you if the chemical will likely sink/rise in air or sink/float in fresh water (respectively). Short phrases have been added to those values below as an aid. However, make sure to also consider the circumstances of a release. The Vapor Density comparisons are only valid when the gas escaping is at the same temperature as the surrounding air itself. If the chemical is escaping from a container where it was pressurized or refrigerated, it may first escape and behave as a heavy gas and sink in the air (even if it has a Vapor Density value less than 1). Also, the Specific Gravity comparisons are for fresh water (density 1.0 g/mL). If your spill is in salt water (density about 1.027 g/mL), you need to adjust the point of comparison. There are some chemicals that will sink in fresh water and float in salt water.
| Chemical Formula: |
|
Flash Point:
172°F
(EPA, 1998)
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point:
-58°F
(EPA, 1998)
Vapor Pressure:
0.07 mmHg
at 77°F
(EPA, 1998)
Vapor Density (Relative to Air):
5.63
(EPA, 1998)
- Heavier than air; will sink
Specific Gravity:
1.073
(EPA, 1998)
- Denser than water; will sink
Boiling Point:
464°F
at 760 mmHg
(EPA, 1998)
Molecular Weight:
162.15
(EPA, 1998)
Water Solubility: data unavailable
Ionization Energy/Potential: data unavailable
IDLH: data unavailable
AEGLs (Acute Exposure Guideline Levels)
| Exposure Period | AEGL-1 | AEGL-2 | AEGL-3 |
|---|---|---|---|
| 10 minutes | 0.001 ppm | 0.013 ppm | 0.11 ppm |
| 30 minutes | 0.0006 ppm | 0.0075 ppm | 0.057 ppm |
| 60 minutes | 0.00042 ppm | 0.0053 ppm | 0.039 ppm |
| 4 hours | 0.00021 ppm | 0.0026 ppm | 0.021 ppm |
| 8 hours | 0.00015 ppm | 0.002 ppm | 0.015 ppm |
(NAC/NRC, 2024)
ERPGs (Emergency Response Planning Guidelines)
No ERPG information available.PACs (Protective Action Criteria)
| Chemical | PAC-1 | PAC-2 | PAC-3 |
|---|---|---|---|
| Ethyl dimethylamido-cyanophosphate; (Tabun; GA) (77-81-6) | 0.00042 ppm | 0.0053 ppm | 0.039 ppm |
(DOE, 2024)
Regulatory Information
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The
Regulatory Information fields
include information from
the U.S. Environmental Protection Agency's Title III Consolidated List of
Lists,
the U.S. Cybersecurity and Infrastructure Security Agency's Chemical Facility
Anti-Terrorism Standards,
and the U.S. Occupational Safety and Health Administration's
Process Safety Management of Highly Hazardous Chemicals Standard List
(see more about these
data sources).
EPA Consolidated List of Lists
| Regulatory Name | CAS Number/ 313 Category Code |
EPCRA 302 EHS TPQ |
EPCRA 304 EHS RQ |
CERCLA RQ | EPCRA 313 TRI |
RCRA Code |
CAA 112(r) RMP TQ |
|---|---|---|---|---|---|---|---|
| Tabun | 77-81-6 | 10 pounds | 10 pounds |
(EPA List of Lists, 2024)
CISA Chemical Facility Anti-Terrorism Standards (CFATS)
| RELEASE | THEFT | SABOTAGE | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical of Interest | CAS Number | Min Conc | STQ | Security Issue |
Min Conc | STQ | Security Issue |
Min Conc | STQ | Security Issue |
| Tabun; [o-Ethyl-N,N-dimethylphosphoramido-cyanidate] | 77-81-6 | CUM 100 grams | CW/CWP | |||||||
- CW/CWP = chemical weapons/chemical weapons precursors.
- CUM = cumulative.
(CISA, 2007)
OSHA Process Safety Management (PSM) Standard List
No regulatory information available.Alternate Chemical Names
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This section provides a listing of alternate names for this chemical,
including trade names and synonyms.
- DIMETHYLAMIDOETHOXYPHOSPHORYL CYANIDE
- DIMETHYLPHOSPHORAMIDOCYANIDIC ACID, ETHYL ESTER
- ETHYL DIMETHYLAMIDOCYANO- PHOSPHATE
- ETHYL DIMETHYLAMIDOCYANOPHOSPHATE
- ETHYL DIMETHYLPHOSPHORAMIDOCYANIDATE
- ETHYL N,N-DIMETHYLAMINO CYANOPHOSPHATE
- ETHYL N,N-DIMETHYLPHOSPHORAMIDOCYANIDATE
- GA (CHEMICAL WARFARE AGENT)
- LE-100
- MCE
- PHOSPHORAMIDO- CYANIDIC ACID, DIMETHYL-, ETHYL ESTER
- T-2104
- TABUN
- TL 1578
Web site owner:
Office of Response and Restoration
,
National Ocean Service,
National Oceanic and Atmospheric Administration.
USA.gov.
CAMEO Chemicals version 3.1.0 rev 1.