Product ID:3,3'-DIMETHYLBENZIDINE, TX0705
MSDS Date:03/01/1991
FSC:6810
NIIN:00N055239
MSDS Number: BWDDY

EM SCIENCE

480 DEMOCRAT RD
GIBBSTOWN, NJ 08027
US

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 609-354-9200

Cage: DO242

EM SCIENCE

70 GIBBSTOWN, NJ 08927 US

Telephone: 800-424-9300 (CHEMTREC)

Cage: DO242

BENZIDINE, 3,3'-DIMETHYL-; (O-TOLIDINE) (SARA III)

CAS: 119-93-7

RTECS: DD1225000

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: S, A2; 9394

EPA Report Quantity: 10 LBS

DOT Report Quantity: 10 LBS

ENGINEERING AND/OR ADMINISTRATIVE CONTROLS SHOULD

RTECS: 9999999ZZ

PVA OR EQUIVALENT) MUST BE WORN TO PREVENT SKIN

RTECS: 9999999ZZ

SHIELD SHOULD BE WORN AT ALL TIMES .

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50(ORAL,RAT)404 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:TOXIC BY INGEST, INHAL AND SKIN
ABSORPTION. IRRIT ON CONTACT W/SKIN, EYES OR MUCOUS MEMBRANES. MAY
CAUSE BLADDER TUMORS. HIGHLY SUSPECTED CARCIN PER NTP, NIOSH,
ACGIH. TESTS ON LAB ANIMALS INDICATE MA TL MAY PRODUCE ADVERSE
MUTAGENIC EFTS &CAUSE TUMORS. CITED IN REGISTERY OF TOXIC EFFECTS
OF SUBSTANCES (RTECS).
Explanation of Carcinogenicity:O-TOLIDINE:IARC MONOGRAPHS, SUPPLEMENT,
VOL 7, PG 56, 1987:GROUP 2B. NTP 7TH ANNUAL RPT ON CANCINOGENS,
1994: (SUP DAT)
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:DATA NOT AVAILABLE.

First Aid:GET MED ASSISTANCE FOR ALL CASES OF OVEREXP. EYES:IMMED FLUSH
THORO W/WATER FOR AT LST 15 MIN. SKIN:WASH THORO WITH SOAP AND
WATER. INHAL:REMOVE TO FRESH AIR; GIVE ARTF RESP IF BRTHG HAS
STOPPED. INGE ST:IF CONSCIOUS, DRINK WATER AND INDUCEVOMIT IMMED AS
DIRECTED BY MED PERS. NEVER GIVE ANYTHING BY MOUTH TO AN UNCON
PERSON. REMOVE CONTAM CLTHG AND WASH BEFORE REUSE.

Flash Point:NONE
Extinguishing Media:WATER, DRY CHEMICAL, CO2.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:THERMAL DECOMPOSITION PRODUCES TOXIC
FUMES.

Spill Release Procedures:EVACUATE AREA OF ALL UNNEC PERS. WEAR SUITABLE
PROT EQUIP LISTED IN CONTROL MEASURES. ELIM ANY IGNIT SOURCES UNTIL
AREA IS DETERMINED TO BE FREE FROM EXPLO/FIRE HAZS. CNTN RELEASE &
ELIM ITS SOURCE, I F THIS CAN BE DONE W/OUT RISK. TAKE UP & (SUP
DAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CNTNR CLSD. STORE IN A COOL AREA
AWAY FROM OXIDIZERS. DO NOT BRTHE DUST. DO NOT GET IN EYES, ON
SKIN, OR ON CLTHG.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:IF WORKPLACE EXPOS LIMIT(S) OF PROD/ANY
COMPONENT IS EXCEEDED (SEE TLV/PEL), A NIOSH/MSHA APPRVD AIR
SUPPLIED RESP IS ADVISED IN ABSENCE OF PROPER ENVIRON CONTROL. OSHA
REGS ALSO PERMIT OTHER NIOSH/MS HA RESP (NEGATIVE PRESS TYPE) (SUP
DAT)
Ventilation:MATERIAL MUST BE HANDLED OR TRANSFERRED IN AN APPROVED FUME
HOOD OR WITH EQUIVALENT VENTILATION.
Protective Gloves:PROTECTIVE GLOVES (BUTYL RUB, (ING 3)
Eye Protection:ANSI APPRVD SFTY GLASSES W/SIDE (ING 4)
Other Protective Equipment:ANSI APPRVD EYE WASH AND SAFETY EQUIPMENT
SHOULD BE READILY AVAILABLE .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING. DO NOT TAKE
INTERNALLY.
Supplemental Safety and Health
EXPLAN OF CARCIN:ANTICIPATED TO BE CARCINOGEN. ANIMAL:SKIN. SPILL
PROC:CONTAINERIZE FOR PROPER DISP AS DESCRIBED UNDER WASTE DISP
METH. COMPLY W/FED, STATE, & LOC REGS ON RPTG RELEASES. REFER TO
REGUL ATORY INFO FOR RPTABLE QTY & OTHER REGULATORY DATA.
RESP:UNDER SPECIFIED CNDTNS (SEE YOUR SFTY EQUIP SUPPLIER). (ING 2)

HCC:T6
Melt/Freeze Pt:M.P/F.P Text:266F,130C
Solubility in Water:SLIGHT
Appearance and Odor:WHITE TO RED CRYSTALLINE POWDER

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:HEAT, DUSTING.
Hazardous Decomposition Products:NO*X

Waste Disposal Methods:SPECIFIED TECHNOLOGY - THERMAL DESTRUCTION.
CONTACT YOUR LOC PERMITTED WASTE DISP (TSD) FOR PERMISSIBLE
TREATMENT SITES. ALWAYS CONTACT A PERMITTED WASTE DISPOSER (TSD) TO
ASSURE COMPLIANCE WITH ALL C URRENT LOC, STATE & FED REGS. EPA
WASTENOS:U095.

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particular situation.