SIGMA CHEMICAL -- DIETHYL PYROCARBONATE, 32490
MATERIAL SAFETY DATA SHEET
NSN: 681000N069763
Manufacturer's CAGE: 21076
Part No. Indicator: A
Part Number/Trade Name: DIETHYL PYROCARBONATE, 32490
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                            General Information
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Company's Name: SIGMA CHEMICAL CO
Company's P. O. Box: 14508
Company's City: ST LOUIS
Company's State: MO
Company's Country: US
Company's Zip Code: 63178
Company's Emerg Ph #: 516-467-3535
Company's Info Ph #: 314-771-5765
Record No. For Safety Entry: 001
Tot Safety Entries This Stk#: 001
Status: SMJ
Date MSDS Prepared: 01OCT94
Safety Data Review Date: 06MAR96
MSDS Serial Number: CBKTY
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                     Ingredients/Identity Information
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Proprietary: NO
Ingredient: FORMIC ACID, OXYDI, DIETHYL ESTER; (DIETHYL PYROCARBONATE)
Ingredient Sequence Number: 01
NIOSH (RTECS) Number: LQ9350000
CAS Number: 1609-47-8
OSHA PEL: N/K (FP N)
ACGIH TLV: N/K (FP N)
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                     Physical/Chemical Characteristics
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Appearance And Odor: COLORLESS LIQUID
Boiling Point: >199F,>93C
Specific Gravity: 1.120
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                      Fire and Explosion Hazard Data
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Flash Point: 157F,69C
Extinguishing Media: USE WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER
OR APPROPRIATE FOAM.
Special Fire Fighting Proc: WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT (FP N).
Unusual Fire And Expl Hazrds: COMBUSTIBLE.
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                              Reactivity Data
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Stability: YES
Cond To Avoid (Stability): MAY DECOMPOSE ON EXPOSURE TO MOIST AIR OR
WATER.
Materials To Avoid: STRONG OXIDIZING AGENTS, STRONG ACIDS, STRONG BASES,
STRONG REDUCING AGENTS, AMMONIA.
Hazardous Decomp Products: TOXIC FUMES OF CARBON MONOXIDE, CARBON DIOXIDE.
Hazardous Poly Occur: NO
Conditions To Avoid (Poly): NOT RELEVANT.
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                            Health Hazard Data
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LD50-LC50 Mixture: LD50 (ORAL RAT): 850 MG/KG.
Route Of Entry - Inhalation: YES
Route Of Entry - Skin: YES
Route Of Entry - Ingestion: YES
Health Haz Acute And Chronic: ACUTE: HARMFUL IF SWALLOWED, INHALED, OR
ABSORBED THROUGH THE SKIN. VAPOR OR MIST IS IRRITATING TO THE EYES, MUCOUS
MEMBRANES AND UPPER RESPIRATORY TRACT. CAUSES SKIN IRRITATION. DIETHYL
PYROCARBONATE MAY REACT WITH AMMONIA TO FORM URETHANE. ANIMAL STUDIES
INDICATE THAT URETHANE IS A CARCINOGEN. (EFTS OF OVEREXPOSURE)
Carcinogenicity - NTP: NO
Carcinogenicity - IARC: NO
Carcinogenicity - OSHA: NO
Explanation Carcinogenicity: NOT RELEVANT.
Signs/Symptoms Of Overexp: HLTH HAZ: TARGET ORGAN DATA: LUNGS, THORAX/
RESPIRATION (DYSPNAE).
Med Cond Aggravated By Exp: NONE SPECIFIED BY MANUFACTURER.
Emergency/First Aid Proc: EYES/SKIN: IMMED FLUSH W/COPIOUS AMOUNTS OF
WATER FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAM CLOTHING & SHOES.
REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL RESPIRATION. IF
BREATHING IS DIFFICULT GIVE OXYGEN. INGEST: WASH OUT MOUTH W/WATER PROVIDED
PERSON IS CONSCIOUS. CALL MD. WASH CONTAM CLOTHING BEFORE REUSE.
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: EVACUATE AREA. WEAR NIOSH/MSHA APPROVED
SCBA, RUBBER BOOTS AND HEAVY RUBBER GLOVES. ABSORB ON SAND OR VERMICULITE
AND PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE AREA AND WASH SPILL
SITE AFTER MATERIAL PICKUP IS COMPLETE.
Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Method: THIS COMBUSTIBLE MATERIAL MAY BE BURNED IN A
CHEMICAL INCINERATOR EQUIPPED WITH AN AFTERBURNER AND SCRUBBER. OBSERVE ALL
FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.
Precautions-Handling/Storing: DO NOT BREATHE VAPOR. DO NOT GET IN EYES, ON
SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE. IRRITANT. TOXIC.
KEEP TIGHTLY CLOSED.
Other Precautions: KEEP AWAY FROM HEAT AND OPEN FLAME. MOISTURE SENSITIVE.
OPEN CAREFULLY. MAY DEVELOP PRESSURE. REFRIGERATE.
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                             Control Measures
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Respiratory Protection: WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation: USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves: CHEMICAL RESISTANT GLOVES.
Eye Protection: ANSI APPRVD CHEM WORKERS GOGGS (FP N).
Other Protective Equipment: PROTECTIVE CLOTHING. EMERGENCY EYEWASH &
DELUGE SHOWER MEETING ANSI DESIGN CRITERIA (FP N).
Work Hygienic Practices: WASH THOROUGHLY AFTER HANDLING.
Suppl. Safety & Health Data: NONE SPECIFIED BY MANUFACTURER.
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                            Transportation Data
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                               Disposal Data
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                                Label Data
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Label Required: YES
Technical Review Date: 09JUL96
Label Status: G
Common Name: DIETHYL PYROCARBONATE, 32490
Chronic Hazard: YES
Signal Word: WARNING!
Acute Health Hazard-Moderate: X
Contact Hazard-Moderate: X
Fire Hazard-Moderate: X
Reactivity Hazard-None: X
Special Hazard Precautions: COMBUSTIBLE. ACUTE: IRRITATING TO EYES, MUCOUS
MEMBRANES, SKIN AND UPPER RESPIRATORY TRACT. CHRONIC: MAY REACT WITH
AMMONIA TO FORM URETHANE. ANIMAL STUDIES INDICATE THAT URETHANE IS A
CARCINOGEN. TARGET ORGANS: LUNGS, THORAX, RESPIRATORY SYSTEM.
Protect Eye: Y
Protect Skin: Y
Protect Respiratory: Y
Label Name: SIGMA CHEMICAL CO
Label P.O. Box: 14508
Label City: ST LOUIS
Label State: MO
Label Zip Code: 63178
Label Country: US
Label Emergency Number: 516-467-3535