Product ID:O-TOLIDINE DIHYDROCHLORIDE
MSDS Date:04/06/1989
FSC:6810
NIIN:00N047877
MSDS Number: BSWTX

MALLINCKRODT

PARIS, KY 40361
US

Emergency Phone: 314-982-5000

Info Phone: 315-982-5000

Cage: ZA916

MALLINCKRODT SPECIALTY CHEMICALS CO

PHILLIPSBURG, NJ 08865 US

Telephone: 908-859-2151

Cage: 62910

CONTROL THE EMISSIONS OF THE CONTAM AT ITS

RTECS: 9999999ZZ

WORK AREA. PLEASE REFER TO THE ACGIH DOCUMENT

RTECS: 9999999ZZ

MOST RECENT EDITION, FOR DETAILS.

RTECS: 9999999ZZ

BENZIDINE, 3,3'DIMETHYL-, DIHYDROCHLORIDE; (O-TOLIDINE

CAS: 612-82-8

RTECS: DD1226000

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:LD50:(ORAL,RAT) 404 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL: DUST IS MILDLY IRRIT TO THROAT
AND LUNGS BECAUSE OF HYDROCHLORIC ACID. INGEST: TOXIC EFTS NOT
FULLY UNDERSTOOD. EXTREMELY LARGE ORAL DOSAGES MAY PRODUCE GI
DISTRUBANCES. MAY CREATE A BLADDER IR RIT. MATL IS SLIGHTLY ACIDIC.
SKIN: NO ADVERSE EFTS EXPECTED BUT DUST MAY CAUSE MECHANICAL IRRIT.
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: SKIN ABSORP MAY OCCUR, BUT THE TOXIC
EFTS ARE NOT WELL KNOWN. EYE: MAY BE IRRIT TO EYES. CHRONIC: NO
INFORMATION FOUND RELATING TO CHRONIC EFTS IN MAN. ACGIH CLASSIFIED
O-TOLIDINE AS BEING A SUSPECT HUMAN CARCINOGEN.
Medical Cond Aggravated by Exposure:NO INFORMATION FOUND.

First Aid:INHAL:REMOVE TO FRESH AIR. GET MED ATTN FOR ANY BRTHG DFCLTY.
INGEST:INDUCE VOMIT IMMED BY GIVING TWO GLASSES OF WATER, OR MILK
IF AVAIL & STICKING FINGER DOWN THROAT. CALL A PHYSICIAN IMMED.
NEVER GI VE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON. SKIN:
REMOVE ANY CONTAM CLTHG. WASH SKIN W/SOAP OR MILD DETERGENT & WATER
FOR @ LST 15 MIN. GET MED ATTN IF IRRIT DEVELOPS OR PERSISTS. (SUPP
DATA)

Extinguishing Media:WATER SPRAY, DRY CHEMICAL, ALCOHOL FOAM, OR CARBON
DIOXIDE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:FINE DUST DISPERSED IN AIR IN SUFFICIENT
CONCENTRATIONS, AND IN THE PRESENCE OF AN IGNITION SOURCE IS A
POTENTIAL DUST EXPLOSION HAZARD. AS W/MOST (ING 4)

Spill Release Procedures:VENT AREA OF LEAK/SPILL. CLEAN-UP PERSONNEL
REQUIRE PROT CLTHG & RESP PROT FROM DUST. SPILLS: PICK UP & PLACE
IN A SUITABLE CNTNR FOR RECLAMATION/DISP IN A METHOD THAT DOES NOT
GENERATE DUST.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP IN A TIGHTLY CLSD CNTNR. PROT
FROM PHYSICAL DMG. STORE IN A COOL, DRY, VENT AREA AWAY FROM
SOURCES OF HEAT, MOISTURE, & INCOMPATIBILITIES.
Other Precautions:WEAR SPECIAL PROT EQUIP FOR MAINTAINENCE BREAK-IN OR
WHERE EXPOSURES MAY EXCEED ESTABLISHED EXPOSURE LEVELS. WASH HANDS,
FACE, FOREARMS AND NECK WHEN EXITING RESTRICTED AREAS. SHOWER,
DISPOSE OF OUTER CLOTHING, CHANGE TO CLEAN (SUPP DATA)

Respiratory Protection:IF THE TLV IS EXCEEDED, A NIOSH/MSHA APPROVED
DUST/MIST RESPIRATOR MAY BE WORN WHEN WORKING WITH THIS MATL.
MAINTAIN EYE WASH FOUNTAIN AND QUICK DRENCH FACILITIES IN WORK
AREA.
Ventilation:A SYSTEM OF LOC &/OR GEN EXHST IS RECOMMENDED TO KEEP
EMPLOYEE EXPOSURE BELOW THE AIRBORNE EXPOSURE LIMITS. (SUPP DATA)
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL SAFETY GOGGLES.
Other Protective Equipment:PROT CLTHG, INCLUDING BOOTS, GLOVES, LAB
COAT, APRON OR COVERALLS TO PREVENT SKIN CONTACT.
Work Hygienic Practices:WASH HANDS BEFORE EATING AND DO NOT EAT, DRINK,
OR SMOKE IN WORKPLACE.
Supplemental Safety and Health
SKIN. FIRST AID PROC: EYE: WASH THORO W/RUNNING WATER FOR AT LEAST 15
MIN. GET MED ADVICE IF IRRIT DEVELOPS. OTHER PREC: GARMENTS AT THE
END OF THE DAY. AVOID CROSS-CONTAMINATION OF STREET CLOTHES. VE NT:
LOC EXHST VENT IS GENERALLY PREFERRED BECAUSE IT CAN (ING 2)

Melt/Freeze Pt:M.P/F.P Text:266F,130C
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE TO REDDISH CRYSTALS. SLIGHTLY HYDROCHLORIC
ACID ODOR.

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:DECOMPOSES ON EXPOSURE TO LIGHT.
Hazardous Decomposition Products:HYDROCHLORIC ACID AND AMINE FUMES ON
DECOMPOSITION.

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECLAMATION MAY BE
DISPOSED IN A RCRA APPROVED HAZARDOUS WASTE FACILITY. ENSURE
COMPLIANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.