Product Information (203) 740-3471 / Emergency Assistance CHEMTREC 1-800-424-9300
or 202-483-7616
MATERIAL SAFETY DATA SHEETS
Part Number/Trade Name: ACETIC ANHYDRIDE
This MSDS is valid for all grades that start with catalog number 280
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General Information
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Company's Name: PHARMCO PRODUCTS, INC. Safety Data Review Date: 8/23/99
Company's Street: 58 VALE RD. Preparer's Company: PHARMCO PRODUCTS,
Company's City: BROOKFIELD INC.
Company's State: CT Preparer's St Or P. O. Box: 58 VALE RD.
Company's Zip Code: 06804 Preparer's City: BROOKFIELD
Company's Emerg Ph #: (203) 740-3471 Preparer's State: CT
Company's Info Ph #: (203) 740-3471 Preparer's Zip Code: 06804
Date MSDS Revised: Nishant-8/23/99
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Ingredients/Identity Information
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Ingredient: ACETIC ANHYDRIDE (SARA III)
Ingredient Sequence Number: 01
Percent: 100
NIOSH (RTECS) Number: AK1925000
CAS Number: 108-24-7
OSHA PEL: 5 PPM
ACGIH TLV: 5 PPM; 9394
Other Recommended Limit: NONE RECOMMENDED
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Physical/Chemical Characteristics
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Appearance And Odor: CLEAR, COLORLESS Specific Gravity: 1.082
MOBILE LIQUID WITH A VERY SHARP, Decomposition Temperature: UNKNOWN
STRONG, PUNGENT VINEGAR ODOR. Evaporation Rate And Ref: 0.46 (BUTYL
Boiling Point: 284F,140C ACETATE = 1)
Melting Point: -99F,-73C Solubility In Water: COMPLETE
Vapor Pressure (MM Hg/70 F): 10 Percent Volatiles By Volume: 100
Vapor Density (Air=1): 3.52 Corrosion Rate (IPY): UNKNOWN
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Fire and Explosion Hazard Data
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Flash Point: 120F,49C
Flash Point Method: CC
Lower Explosive Limit: 2.7
Upper Explosive Limit: 10.3
Extinguishing Media: CARBON DIOXIDE,HALON,DRY CHEMICAL,ALCOHOL FOAM.WATER
MSDS 073, Rev 2.1; Revision Date 12/05 DH
Acetic Anhydride/Page 1 of 4
SPRAY MAY BE INEFFECTIVE AS AN EXTINGUISHANT.
Special Fire Fighting Proc: WEAR FIRE FIGHTING PROTECTIVE EQUIPMENT AND A
FULL FACED SELF CONTAINED BREATHING APPARATUS. COOL FIRE EXPOSED CONTAINERS
WITH WATER FOG.KEEP UPWIND OF FIRE.
Unusual Fire And Expl Hazrds: VAPORS ARE HEAVIER THAN AIR,CAN TRAVEL
DISTANCES ALONG THE GROUND,AND FLASHBACK AT THE SOURCE.
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Reactivity Data
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Stability: NO
Cond To Avoid (Stability): AVOID CONTACT WITH WATER. SLOWLY HYDROLIZES.
ACETIC ACID FORMED MAY CATALIZE A VIOLENT, EXOTHERMIC REACTION.
Materials To Avoid: AVOID CONTACT WITH WATER, ACIDS AND OXIDIZING AGENTS,
COMBUSTIBLE MATERIALS.
Hazardous Decomp Products: CARBON MONOXIDE, CARBON DIOXIDE.
Hazardous Poly Occur: NO
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Health Hazard Data
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Route Of Entry - Inhalation: YES
Route Of Entry - Skin: YES
Route Of Entry - Ingestion: YES
Health Haz Acute And Chronic: ACUTE: CORROSIVE. LACRIMATOR. SEVERE EYE
BURNS. SKIN SENSITIZER. TOXIC BY INHALATION. MODERATELY TOXIC BY INGESTION.
SLIGHTLY TOXIC BY DERMAL ABSORPTION. CHRONIC: MOUTH ULCERATION. POSSIBLE
BRONCHIAL AND GASTROINTESTINAL DISTURBANCES.
Carcinogenicity - NTP: NO
Carcinogenicity - IARC: NO
Carcinogenicity - OSHA: NO
Explanation Carcinogenicity: NONE OF THE INGREDIENTS IN THIS PRODUCT IS
LISTED BY NTP, IARC OR OSHA AS A CARCINOGEN.
Signs/Symptoms Of Overexp: EYES: PAIN, LACRIMATION, BLURRED VISION,
INFLAMMATION. POSSIBLE LOSS OF VISION. SKIN: SEVERE BURNS, WHITE WRINKLED
SKIN, BLISTERS, DERMATITIS. INHALATION: HARSH COUGH, CHOKING, WHEEZING,
CHEST PAINS, PULMONARY EDEMA WHICH MAY BE FATAL. INGESTION: SEVERE BURNS OF
MOUTH, ESOPHAGUS, STOMACH WITH PAIN, VOMITING, DIARRHEA.
Med Cond Aggravated By Exp: INDIVIDUALS WITH A HISTORY OF EYES, SKIN AND
RESPIRATORY DISORDERS MAY BE AT INCREASED RISK FROM EXPOSURE.
Emergency/First Aid Proc: EYES: FLUSH WITH PLENTY OF WATER FOR AT LEAST 15
MINUTES. SEE DOCTOR IMMEDIATELY. SKIN: REMOVE CONTAMINATED CLOTHING AND
SHOES. WASH WITH SOAP AND WATER. COVER WITH DRY DRESSING. BANDAGE. SEE
DOCTOR IMMEDIATELY. INHALATION: REMOVE VICTIM TO FRESH AIR. GIVE OXYGEN/CPR
IF NEEDED. SEE DOCTOR IMMEDIATELY. INGESTION: DRINK LARGE AMOUNTS OF WATER
OR MILK. DO NOT INDUCE VOMITING. SEE DOCTOR IMMEDIATELY.
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Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: KEEP COMBUSTIBLES (WOOD,PAPER,OIL,ETC.) AWAY
FROM SPILL.REMOVE PERSONNEL.ELIMINATE IGNITION SOURCES.VENTILATE AREA.WEAR
PROTECTIVE CLOTHING AND SCBA.ABSORB IN INERT CEMENT POWDER OR FLY ASH AND
PLACE IN APPROPIATE DISPOSAL CONTAINER AND COVER.
Neutralizing Agent: CAUSTIC SODA
Waste Disposal Method: CONTACT YOUR LOCAL ENVIRONMENTAL OFFICER. DISPOSE
OF IN ACCORDANCE WITH ALL FEDERAL, STATE AND LOCAL REGULATIONS.EPA CODE IS
D001(IGNITABLE).
Precautions-Handling/Storing: STORE IN COOL, DRY, WELL VENTILATED AREA.
PROTECT FROM PHYSICAL DAMAGE, HEAT, IGNITION SOURCES AND INCOMPATIBLE
MATERIALS. KEEP CONTAINERS CLOSED.
MSDS 073, Rev 2.1; Revision Date 12/05 DH
Acetic Anhydride/Page 2 of 4
Other Precautions: GROUND CONTAINERS WHEN TRANSFERRING LIQUID.OUTSIDE
STORAGE IS PREFERRED;AVOID PITS OR DEPRESSIONS.INSIDE STORAGE SHOULD BE IN
A STANDARD FLAMMABLE LIQUID STORAGE CABINET IAW NFPA 49.
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Control Measures
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Respiratory Protection: WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
ENCLOSED SPACES USE EITHER A SELF-CONTAINED BREATHING APPARATUS OR A NOISH/
MSHA APPROVED RESPIRATOR FOR ACID GAS,DEPENDING ON THE AIRBORN
CONCENTRATION.
Ventilation: LOCAL EXHAUST VENTILATION TO KEEP EXPOSURE LEVELS BELOW PEL.
USE EXPLOSION PROOF EQUIPMENT.
Protective Gloves: PVC GLOVES.
Eye Protection: SAFETY GOGGLES AND FACESHIELD.
Other Protective Equipment: PROTECTIVE CLOTHING,AS NEEDED.PROVIDE A LOCAL
EYE WASH STATION AND SAFETY SHOWER.
Work Hygienic Practices: WASH HANDS.SEPERATE WORK CLOTHES FROM STREET
CLOTHES.LAUNDER WORK CLOTHES BEFORE REUSE.KEEP FOOD OUT OF THE WORK AREA.
Suppl. Safety & Health Data: NONE.
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Transportation Data
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DOT PSN Code: ABB IATA Proper Shipping Name: ACETIC
DOT Proper Shipping Name: ACETIC ANHYDRIDE
ANHYDRIDE IATA UN Class: 8
DOT Class: 8 IATA Subsidiary Risk Class: 3
DOT ID Number: UN1715 IATA Label: CORROSIVE & FLAMMABLE
DOT Pack Group: II LIQUID
DOT Label: CORROSIVE, FLAMMABLE LIQUID AFI PSN Code: ABX
* AFI Prop. Shipping Name: ACETIC ANHYDRIDE
IMO PSN Code: ACP AFI Class: 8
IMO Proper Shipping Name: ACETIC AFI ID Number: UN1715
ANHYDRIDE AFI Pack Group: II
IMO Regulations Page Number: 8101 AFI Label: CORROSIVE
IMO UN Number: 1715 AFI Special Prov: A3,A6,A7,A10
IMO UN Class: 8 AFI Basic Pac Ref: 12-5
IMO Subsidiary Risk Label: FLAMMABLE MMAC Code: NR
LIQUID Additional Trans Data: RQ FOR ACETIC
IATA PSN Code: ABX ANHYDRIDE IS 5000 LBS.
IATA UN ID Number: 1715
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Disposal Data
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Refer to applicable regional, state and federal codes.
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Label Data
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Label Required: YES
Technical Review Date: 19DEC94
MFR Label Number: UNKNOWN
Label Status: F
Common Name: ACETIC ANHYDRIDE
Signal Word: DANGER!
Acute Health Hazard-Moderate: X
Contact Hazard-Severe: X
Fire Hazard-Moderate: X
Reactivity Hazard-Slight: X
MSDS 073, Rev 2.1; Revision Date 12/05 DH
Acetic Anhydride/Page 3 of 4
Special Hazard Precautions: ACUTE: CORROSIVE. LACRIMATOR. SEVERE EYE
BURNS. SKIN SENSITIZER. TOXIC BY INHALATION. MODERATELY TOXIC BY INGESTION.
SLIGHTLY TOXIC BY DERMAL ABSORPTION. CHRONIC: MOUTH ULCERATION. POSSIBLE
BRONCHIAL AND GASTROINTESTINAL DISTURBANCES. FIRST AID: EYES: FLUSH WITH
REMOVE CONTAMINATED CLOTHING AND SHOES. WASH WITH SOAP AND WATER. COVER
WITH DRY DRESSING. BANDAGE. SEE DOCTOR IMMEDIATELY. INHALATION: REMOVE
VICTIM TO FRESH AIR. GIVE OXYGEN/CPR IF NEEDED. SEE DOCTOR IMMEDIATELY.
INGESTION: DRINK LARGE AMOUNTS OF WATER OR MILK. DO NOT INDUCE VOMITING.
SEE DOCTOR IMMEDIATELY.
Protect Eye: Y
Protect Skin: Y
Protect Respiratory: Y
The information contained herein is based on data considered to be accurate. However, no warranty is expressed
regarding the accuracy of these data or the results to be obtained from the use thereof. It is the user鈥檚 obligation to
determine the conditions of safe use of the product.
--Revised by Nishant, 8/23/99
MSDS 073, Rev 2.1; Revision Date 12/05 DH
Acetic Anhydride/Page 4 of 4
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