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Chemical Datasheet

DOWTHERM

Chemical Identifiers

CAS Number UN/NA Number DOT Hazard Label USCG CHRIS Code
  • 8004-13-5
 none data unavailable
  • DTH
NIOSH Pocket Guide International Chem Safety Card
Phenyl ether-biphenyl mixture (vapor) none
NFPA 704
data unavailable
General Description
Light to dark brown fragrant liquid. May float or sink in water. Freezing point is 54°F. (USCG, 1999)

Hazards

Reactivity Alerts
none
Air & Water Reactions
Insoluble in water.
Fire Hazard
Special Hazards of Combustion Products: Irritating gases generated when heated (USCG, 1999)
Health Hazard
Odor of hot material may cause discomfort. Mildly irritating to eyes and skin. (USCG, 1999)
Reactivity Profile
DOWTHERM is incompatible with the following: Strong oxidizers (NIOSH, 2022).
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

Response Recommendations

Isolation and Evacuation
No information available.
Firefighting
Fire Extinguishing Agents: Water fog, foam, carbon dioxide, dry chemical (USCG, 1999)
Non-Fire Response
No information available.
Protective Clothing
Excerpt from NIOSH Pocket Guide for Phenyl ether-biphenyl mixture (vapor):

Skin: PREVENT SKIN CONTACT - Wear appropriate personal protective clothing to prevent skin contact.

Eyes: PREVENT EYE CONTACT - Wear appropriate eye protection to prevent eye contact.

Wash skin: WHEN CONTAMINATED - The worker should immediately wash the skin when it becomes contaminated.

Remove: WHEN WET OR CONTAMINATED - Work clothing that becomes wet or significantly contaminated should be removed and replaced.

Change: No recommendation is made specifying the need for the worker to change clothing after the workshift. (NIOSH, 2023)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
Excerpt from NIOSH Pocket Guide for Phenyl ether-biphenyl mixture (vapor):

Eye: IRRIGATE IMMEDIATELY - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.

Skin: SOAP WASH PROMPTLY - If this chemical contacts the skin, promptly wash the contaminated skin with soap and water. If this chemical penetrates the clothing, promptly remove the clothing and wash the skin with soap and water. Get medical attention promptly.

Breathing: RESPIRATORY SUPPORT - If a person breathes large amounts of this chemical, move the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the affected person warm and at rest. Get medical attention as soon as possible. (NIOSH, 2023)

Physical Properties

Chemical Formula:
  • C12H10O.C12H10
Flash Point: 255°F (USCG, 1999)
Lower Explosive Limit (LEL): 0.5 % At 500°F: At 300°F: 0.8%-3.3% (USCG, 1999)
Upper Explosive Limit (UEL): 6.2 % At 500°F: At 300°F: 0.8%-3.3% (USCG, 1999)
Autoignition Temperature: 1150°F (USCG, 1999)
Melting Point: 54°F (USCG, 1999)
Vapor Pressure: 0.08 mmHg at 77°F (NIOSH, 2023)
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 1.06 at 69.8°F (USCG, 1999) - Denser than water; will sink
Boiling Point: 494°F at 760 mmHg (USCG, 1999)
Molecular Weight: 166 (USCG, 1999)
Water Solubility: Insoluble (NIOSH, 2023)
Ionization Energy/Potential: data unavailable
IDLH: 10 ppm (NIOSH, 2023)

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

No PAC information available.

Regulatory Information

EPA Consolidated List of Lists

No regulatory information available.

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

Alternate Chemical Names