Product ID:A6404 ACETIC ANHYDRIDE
MSDS Date:08/28/1996
FSC:6810
NIIN:00F050493
MSDS Number: CFCBZ

ONCOR INC

209 PERRY PKY SUITE 7
GAITHERSBURG, MD 20877-5000
US

Emergency Phone: 301-963-3500/800-776-6267

Info Phone: 301-963-3500/800-776-6267

Cage: 016E9

ONCOR INC

GAITHERSBURG, MD 20877-5000 US

Telephone: 301-963-3500/800-776-6267

Cage: 016E9

ACETIC ANHYDRIDE

CAS: 108-24-7

RTECS: AK1925000

OSHA PEL 20 MG/CUM

ACGIH TLV: C 21 MG/CUM

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

LD50 LC50 Mixture:ORAL LD50(RAT): 1780 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:HARMFUL IF INGESTED, INHALED/ABSORBED
THROUGH SKIN. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE OF THE
MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT, EYES & SKIN.
INHALATION: MAY BE FATAL, AS A RESULT OF INFLAMMATION & EDEMA OF
THE LARYNX & BRONCHI, CHEMICAL PNEUMONITIS, PULMONARY EDEMA &
BURNING.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:SPASM, BURNING SENSATION, COUGHING, WHEEZING,
LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA, VOMITING.

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
NEEDED. INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN
MEDICAL ATTENTIO N IN ALL CASES.

Flash Point:130F
Lower Limits:2.7
Upper Limits:10.3
Extinguishing Media:CO2, DRY CHEMICAL POWDER/APPROPRIATE FOAM.
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:COMBUSTIBLE. AUTOIGNITION TEMP: 629F.

Spill Release Procedures:EVACUATE AREA. WEAR SCBA, RUBBER BOOTS & HEAVY
RUBBER GLOVES. COVER W/AN ACTIVATED CARBON ABSORBENT. TAKE UP &
PLACE IN CLOSED CONTAINERS. TRANSPORT OUTDOORS. VENTILATE AREA &
WASH SITE AFTER MATERIAL PICKUP IS COMPLETE.

Handling and Storage Precautions:STORE IN A COOL DRY PLACE AWAY FROM
HEAT/OPEN FLAME & SOURCES OF IGNITION. HYGROSCOPIC, IF PROPERLY
STORED AT ROOM TEMP, HAS 5 YR SHELF LIFE.
Other Precautions:CORROSIVE, HARMFUL LIQUID. AVOID PROLONGED/REPEATED
EXPOSURE. DON'T GET IN EYES, SKIN/CLOTHING. DON'T BREATHE VAPOR.
KEEP TIGHTLY CLOSED.

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:CHEMICAL FUME HOOD
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES/FACESHIELD (8-INCH MIN)
Other Protective Equipment:SAFETY SHOWER & EYE BATH, PROTECTIVE
CLOTHING.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
REUSE. DISCARD CONTAMINATED SHOES. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

Boiling Pt:B.P. Text:280.4-284F
Melt/Freeze Pt:M.P/F.P Text:-99.4F
Vapor Pres:4
Vapor Density:3.5
Spec Gravity:1.082
Evaporation Rate & Reference:(BU AC = 1): 0.46
Appearance and Odor:COLORLESS LIQUID

Stability Indicator/Materials to Avoid:YES
ACIDS, BASES, ALCOHOLS, OXIDIZING AGENTS, REDUCING AGENTS, FINELY
POWDERED METALS.
Stability Condition to Avoid:MOISTURE, HEAT, OPEN FLAME & SOURCES OF
IGNITION.
Hazardous Decomposition Products:COMBUSTION: CO, CO2.

Waste Disposal Methods:IGNITE IN THE PRESENCE OF SODIUM CARBONATE &
SLAKED LIME(CALCIUM HYDROXIDE), MIX W/VERMICULITE & DRY CAUSTICS,
WRAPPED IN PAPER & BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN
AFTER BURNER & SCRUBBER I AW/FEDERAL, STATE & LOCAL REGULATIONS.
UN1715.

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.