Product ID:ARSENIC TRIOXIDE
MSDS Date:04/06/1989
FSC:6810
NIIN:00-124-0507
MSDS Number: BCZVC

MALLINCKRODT INC. SCIENCE PRODUCTS DIVISION

PARIS BYPASS
PARIS, KY 40361
US

Emergency Phone: 800-354-2050/314-539-1600

Info Phone: 800-354-2050(PRESS 3)/314-982-5000

Cage: 62910

MALLINCKRODT SPECIALTY CHEMICALS CO

PHILLIPSBURG, NJ 08865 US

Telephone: 908-859-2151

Cage: 62910

ARSENIC TRIOXIDE (SARA III)

CAS: 1327-53-3

RTECS: CG3325000

Fraction By Weight: >99%

OSHA PEL SEE 1910.1018

ACGIH TLV: 0.2 MG AS/M3; 9192

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

LD50 LC50 Mixture:LD50 (ORAL RAT) IS 20 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:YES
Health Hazards Acute and Chronic:ACUTE-INHALE:INFLAMMATION OF MUCOUS
MEMBRANES,COUGH,DYSPNEA,CYANOSIS,PULMONARY EDEMA.ORAL:MAY CAUSE
BURNING,VOMITING,BLOODY DIARRHEA,LOW BLOOD
PRESSURE,WEAKNESS,HEADACHE,CRAMPS,CONVULSION,COMA & DEATH .EYE:MAY
CAUSE IRRITATION & CONJUNCTIVITIS.SKIN:MAY CAUSE IRRITATION &
PAIN.CHRONIC-DERMATITIS,KIDNEY & LIVER DAMAGE.
Effects of Overexposure:INHALATION CAN CAUSE INFLAMMATION OF MUCOUS
MEMBRANES, COUGH, DYSPNEA, CYANOSIS, PULMONARY EDEMA. ORALLY MAY
CAUSE BURNING, VOMITING, BLOODY DIARRHEA, LOW BLOOD PRESSURE,
WEAKNESS, HEADACHE, CRAMPS, C ONVULSION, COMA & DEATH. MAY CAUSE
EYE IRRITATION & CONJUNCTIVITIS. MAY CAUSE SKIN IRRITATION,
REDDNESS & PAIN.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
DISORDERS OR EYE PROBLEMS OR IMPAIRED LIVER, KIDNEY OR RESPIRATORY
FUNCTION MAY BE MORE SUSCEPTIBLE TO THE EFFECTS OF THE SUBSTANCE.

First Aid:GET MEDICAL CARE IN ALL CASES OF OVEREXPOSURE. INHALED:
REMOVE TO FRESH AIR. PROVIDE CPR/OXYGEN IF NEEDED. EYES: FLUSH WITH
WATER FOR 15 MINUTES HOLDING EYELIDS OPEN. SKIN: WASH WITH SOAP &
WATER. ORA L: IF CONSCIOUS, INDUCE VOMITING IMMEDIATELY BY GIVING
TWO GLASSES OF WATER & STICKING FINGER DOWN THROAT. SEE
DOCTOR/POISON CONTROL CENTER.

Flash Point:NOT FLAMMABLE
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, FOAM OR DRY CHEMICAL
FOR SURROUNDING FIRE. USE WATER SPRAY TO COOL FIRE EXPOSED
CONTAINERS.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND
NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS WITH FULL
FACEPIECE OPERATED IN THE POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES OF ARSENIC WHEN HEATED
TO DECOMPOSITION.

Spill Release Procedures:VENTILATE AREA. CLEAN-UP PERSONNEL REQUIRE
PROTECTIVE CLOTHING AND RESPIRATORY PROTECTION FROM DUST. PICK UP
AND PLACE IN A SUITABLE CONTAINER FOR RECLAMATION OR DISPOSAL IN A
METHOD THAT DOSES NOT GE NERATE DUST.
Neutralizing Agent:NOT APPLICABLE.

Handling and Storage Precautions:STORAGE-STORE IN COOL,DRY,VENTILATED
AREA,IN TIGHTLY CLOSED CONTAINERS,AWAY FROM INCOMPATIBLE MATERIALS.
Other Precautions:POISON! DO NOT TAKE INTERNALLY. AVOID CONTACT WITH
EYES AND SKIN. DO NOT GET ON CLOTHING. USE WITH ADEQUATE
VENTILATION. WASH THOROUGHLY AFTER HANDLING. KEEP AWAY FROM REACH
OF CHILDREN.

Respiratory Protection:IF THE PEL IS EXCEEDED, A HALF-MASK
AIR-PURIFYING RESPIRATOR EQUIPPED WITH A HIGH-EFFICIENCY FILTER OR
ANY HALF-MASK SUPPLIED AIR RESPIRATOR MAY BE WORN UP TO
CONCENTRATION OF 100 UG PER CUBIC METER. SEE OSHA STANDARD FOR
ADDITIONAL INFORM.
Ventilation:MECHANICAL/LOCAL.LOCAL EXHAUST VENTILATION PREFERRED
BECAUSE IT CAN CONTROL THE EMISSION OF CONTAMINANT AT ITS SOURCE.
Protective Gloves:RUBBER OR PLASTIC
Eye Protection:SAFETY GLASSES
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER.
INDUSTRIAL-TYPE WORK CLOTHING AND APRON AS REQUIRED.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH HANDS BEFORE EATING OR DRINKING.
Supplemental Safety and Health

HCC:T3
Boiling Pt:B.P. Text:869F,465C
Melt/Freeze Pt:M.P/F.P Text:599F,315C
Spec Gravity:3.74
Solubility in Water:3.7 G/100 ML @ 68 F
Appearance and Odor:TRANSPARENT CRYSTALS OR WHITE POWDER - ODORLESS
Percent Volatiles by Volume:0

Stability Indicator/Materials to Avoid:YES
TANNIC ACID,IRON SOLUTIONS RUBIDIUM CARBIDE,CHLORINE
TRIFLUORIDE,FLUORINE,HYDROGEN FLUORIDE,OXYGEN DIFLUORINE,ACIDS,HG
Stability Condition to Avoid:STABLE UNDER ORDINARY CONDITIONS OF USE
AND STORAGE.
Hazardous Decomposition Products:EMITS TOXIC FUMES OF ARSENIC WHEN
HEATED TO DECOMPOSITION.

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN ACCORDANCE WITH ALL
APPLICABLE FEDERAL, STATE AND LOCAL LAWS AND 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.