Product ID:ACETIC ANHYDRIDE,70180
MSDS Date:04/06/1989
FSC:6810
NIIN:00-100-2500
MSDS Number: BMSTV

MALLINCKRODT INC. SCIENCE PRODUCTS DIVISION

PARIS BYPASS
PARIS, KY 40361
US

Emergency Phone: 800-354-2050/314-982-5000

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

ACETIC ANHYDRIDE (CERCLA)

CAS: 108-24-7

RTECS: AK1925000

Fraction By Weight: >99%

OSHA PEL 5 PPM

ACGIH TLV: 5 PPM; 9596

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:LD50 (ORAL, RAT) IS 1780 MG/KG.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYES, SKIN, RESPIRATORY
& GI TRACTS. ACUTE- CORROSIVE. INHALE:MAY CAUSE INFLAMMATION,
COUGHING, LUNG DAMAGE. EYE:SEVERE BURNS. MAY CAUSE PERMANENT EYE
DAMAGE. SKIN:DELAY BURNS. ORAL:CAUS ES PAIN & BURNS OF STOMACH
FOLLOWED BY NAUSEA & VOMITING. CHRONIC- DERMATITIS, EYE IRRITATION,
LUNG DAMAGE.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SEVERE IRRITATION, BURNS, COUGHING, DIFFICULT
BREATHING, CHEST PAIN, ABDOMINAL PAIN, NAUSEA, VOMITING, CHOCKING,
DERMATITIS, EYE DAMAGE
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
DISORDERS, EYE PROBLEMS OR IMPAIRED RESPIRATORY FUNCTION MAY BE
MORE SUSCEPTIBLE TO THE EFFECTS OF THIS PRODUCT.

First Aid:GET MEDICAL CARE IMMEDIATELY IN ALL CASES.
EYES/SKIN:IMMEDIATELY FLUSH WITH WATER FOR AT LEAST 15 MINUTES.
KEEP EYELIDS OPEN. TREAT FOR CHEMICAL BURNS IF NECESSARY.
INHALATION:REMOVE TO FRESH AIR. PRO VIDE CPR/OXYGEN IF NEEDED.
ORAL:IF CONSCIOUS & FREE FROM CONVULSION, DRINK LARGE AMOUNT OF
WATER OR MILK. DO NOT INDUCE VOMITING. NEVER GIVE ANYTHING BY MOUTH
TO AN UNCONSCIOUS PERSON.

Flash Point Method:CC
Flash Point:127F,53C
Autoignition Temp:Autoignition Temp Text:734F
Lower Limits:2.9
Upper Limits:10.3
Extinguishing Media:USE WATER SPRAY, CARBON DIOXIDE (CO2), ALCOHOL FOAM
OR DRY CHEMICAL. 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:VAPOR IS HEAVIER THAN AIR AND CAN TRAVEL
CONSIDERABLE DISTANCE TO A SOURCE OF IGNITION AND FLASH BACK.
CONTAINERS MAY RUPTURE DUE TO VAPOR PRESSURE BUILDUP.

Spill Release Procedures:WEAR PROPER PROTECTIVE EQUIPMENT. VENTILATE
AREA. REMOVE IGNITION SOURCES. DO NOT RELEASE INTO SOIL, SEWER.
NEUTRALIZE WITH SODA ASH OR LIME. ABSORB WITH DRY SAND/VERMICULITE.
PLACE IN PROPER CONTAINE R FOR DISPOSAL.
Neutralizing Agent:SODA ASH, LIME, SODIUM BICARBONATE

Handling and Storage Precautions:STORE IN COOL, DRY, WELL-VENTILATED
AREA, AWAY FROM IGNITION SOURCES & INCOMPATIBLE MATERIALS. KEEP OUT
OF REACH OF CHILDREN. WORK IN FUME HOOD.
Other Precautions:DO NOT GET IN EYES, ON SKIN OR ON CLOTHING. AVOID
BREATHING VAPORS/MIST. USE UNDER THE HOOD WITH ADEQUATE
VENTILATION. PROTECT CONTAINERS AGAINST PHYSICAL DAMAGE. WASH
THOROUGHLY AFTER HANDLING.

Respiratory Protection:USE NATIONAL INSTITUTE OF OCCUPATIONAL SAFETY
AND HEALTH (NIOSH) APPROVED SELF-CONTAINED BREATHING APPARATUS WITH
FULL-FACEPIECE OPERATED IN POSITIVE PRESSURE MODE WHEN PERMISSIBLE
EXPOSURE LIMITS ARE EXCEEDED.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
REQUIREMENTS.
Protective Gloves:PVC, NEOPRENE
Eye Protection:CHEMICAL SAFETY GOGGLES AND FACE SHIELD
Other Protective Equipment:EYE BATH, SAFETY SHOWER, WASHING FACILITIES,
LAB COAT
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES. WASH AFTER HANDLING AND BEFORE EATING OR
DRINKING.
Supplemental Safety and Health

HCC:F6
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:B.P. Text:284F,140C
Melt/Freeze Pt:M.P/F.P Text:-99F,-73C
Vapor Pres:4 @ 68F
Vapor Density:3.52
Spec Gravity:1.08
pH:ACIDIC
Evaporation Rate & Reference:0.46 (N-BUTYL ACETATE=1)
Solubility in Water:12% (REACTS)
Appearance and Odor:CLEAR, COLORLESS LIQUID - STRONG ACETIC ACID ODOR
Percent Volatiles by Volume:>99

Stability Indicator/Materials to Avoid:YES
STRONG CAUSTICS, OXIDIZING AGENTS, WATER, STEAM, ALCOHOLS, AMINES
Stability Condition to Avoid:HEAT
Hazardous Decomposition Products:MAY EMIT CARBON MONOXIDE, CARBON
DIOXIDE, ACETIC ACID.

Waste Disposal Methods:OBSERVE FEDERAL, STATE AND LOCAL ENVIRONMENTAL
REGULATORS FOR PROPER DISPOSAL. CONSIDER RECYCLING. NEUTRALIZED
WASTE SHOULD BE DISPOSED BY LICENSED DISPOSAL AGENCY. REPORTABLE
QUANTITY (RQ): 5000 LBS

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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.