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Chemical Datasheet

TANNIC ACID

Chemical Identifiers

CAS Number UN/NA Number DOT Hazard Label USCG CHRIS Code
  • 1401-55-4
none data unavailable
  • TNA
NIOSH Pocket Guide International Chem Safety Card
none none
NFPA 704
Diamond Hazard Value Description
1
1 0
Blue Health 1 Can cause significant irritation.
Red Flammability 1 Must be preheated before ignition can occur.
Yellow Instability 0 Normally stable, even under fire conditions.
White Special
(NFPA, 2010)
General Description
Light yellow to tan solid with a faint odor. Sinks and mixes with water. (USCG, 1999)

Hazards

Reactivity Alerts
none
Air & Water Reactions
Water soluble. Gradually darkens on exposure to air and/or light
Fire Hazard
Special Hazards of Combustion Products: Decomposes at 210° to carbon dioxide and pyrogallol, which can form irritating vapors. (USCG, 1999)
Health Hazard
Inhalation causes irritation of nose and throat, coughing, and sneezing. Ingestion may cause gastric disturbance. Contact with eyes causes irritation. (USCG, 1999)
Reactivity Profile
TANNIC ACID decomposes at 210° C to carbon dioxide and pyrogallol, which can form irritating vapors (USCG, 1999). Incompatible with salts of heavy metals, alkaloids, gelatin, albumin, starch, oxidizing substances-e.g., permanganates, chlorates; lime water [Merck].
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 Not to Be Used: Water or foam may cause frothing.

Fire Extinguishing Agents: Water, foam, dry chemical, carbon dioxide (USCG, 1999)
Non-Fire Response
No information available.
Protective Clothing
Dust mask; goggles or face shield; protective gloves (USCG, 1999)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
INHALATION: move to fresh air.

INGESTION: give large amount of water; induce vomiting.

EYES or SKIN: flush with water. (USCG, 1999)

Physical Properties

Chemical Formula:
  • C76H52O46
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: 980 ° F (USCG, 1999)
Melting Point: data unavailable
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity: greater than 1 at 68 ° F (USCG, 1999)
Boiling Point: data unavailable
Molecular Weight: 1701 (USCG, 1999)
Water Solubility: data unavailable
Ionization Potential: data unavailable
IDLH: data unavailable

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.

DHS Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

Alternate Chemical Names