CHEMICAL NAME & SYNONYMS DOT CLASS SARA TITLE 313
o-Tolidine; 3,3'-Dimethylbenzidine 6.1/III Yes
TSCA listed - Yes
FORMULA REPORTABLE QUANTITY F.W. CAS#
[C6H3(CH3)NH2]2 4.54 kg 212.30 119-93-7
Melting point 128-130EC. Slightly soluble in water, soluble in alcohol, ether and acids.
APPEARANCE & ODOR
White to off-white (pink) crystalline powder. Odorless.
REACTIVITY & CONDITIONS TO AVOID
Unstable (discolors) in air and light. No hazardous self-reactivity. Incompatible with oxidizers.
Will burn with emission of toxic fumes. Firefighters wear SCBA.
EXTINGUISHER FLASHPOINT LEL UEL
Water spray, CO2, Dry chemical N/A N/A N/A
May be irritating to skin, eyes and mucous membranes. Consider toxic all routes. Mutagenic data. Moderate toxicity
orally: LD50 (oral-rat) 404 mg/kg. TDLo (oral-rat) 4500 mg/kg/27 days: Carcinogenic. OSHA PEL/ACGIH TLV not
established. Warning: This product contains a chemical known to the state of California to cause cancer.
Wear goggles and rubber gloves while handling. Use only with adequate ventilation to prevent inhalation of dusts. Avoid
Wash skin and eyes thoroughly with water after contact. If irritation develops, see a physician. If swallowed, give water
or milk and induce vomiting. See a physician.
SPILLS & LEAKS
Contain spill. Ventilate area. Sweep with sweeping compound then wash up with water. Disposal to hazardous waste
site or approved incinerator.
CATALOG # PREPARED BY DATE
1110 MDM August 21, 2000
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