ACCUSTANDARD -- METHYLENE CHLORIDE 
MATERIAL SAFETY DATA SHEET
NSN: 681000F037228
Manufacturer's CAGE: 0U4A8 
Part No. Indicator: A 
Part Number/Trade Name: METHYLENE CHLORIDE 
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                            General Information
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Company's Name: ACCUSTANDARD INC 
Company's Street: 25 SCIENCE PK SUITE 687 
Company's City: NEW HAVEN 
Company's State: CT 
Company's Country: US 
Company's Zip Code: 06511-5000 
Company's Emerg Ph #: 203-786-5290 
Company's Info Ph #: 203-786-5290 
Record No. For Safety Entry: 001 
Tot Safety Entries This Stk#: 001 
Status: SE 
Date MSDS Prepared: 21OCT93 
Safety Data Review Date: 02NOV94 
Preparer's Company: ACCUSTANDARD INC 
Preparer's St Or P. O. Box: 25 SCIENCE PK SUITE 687 
Preparer's City: NEW HAVEN 
Preparer's State: CT 
Preparer's Zip Code: 06511-5000 
MSDS Serial Number: BVTJZ 
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                     Ingredients/Identity Information
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Proprietary: NO 
Ingredient: DICHLOROMETHANE (METHYLENE CHLORIDE) (SUSP HUMAN CARC BY
ACGIH, ANIMAL CARCINOGEN BY NTP-GROUP 2B) *94-3*
Ingredient Sequence Number: 01 
Percent: 100 
NIOSH (RTECS) Number: PA8050000 
CAS Number: 75-09-2 
OSHA PEL: 500 PPM 
ACGIH TLV: 50 PPM 
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                     Physical/Chemical Characteristics
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Appearance And Odor: COLORLESS LIQUID W/ETHER-LIKE SWEETISH ODOR.
Boiling Point: 104F 
Melting Point: -139F 
Vapor Pressure (MM Hg/70 F): 340 
Vapor Density (Air=1): 2.9 
Specific Gravity: 1.32 
Evaporation Rate And Ref: (BU AC=1): 1.47 
Solubility In Water: 1.6 
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                      Fire and Explosion Hazard Data
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Lower Explosive Limit: 12 
Upper Explosive Limit: 19 
Extinguishing Media: CO2, WATER, DRY CHEMICAL POWDER
Special Fire Fighting Proc: PROTECT FROM INHALATION OF POTENTIALLY TOXIC
FUMES.
Unusual Fire And Expl Hazrds: MAY PRODUCE PHOSGENE.
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                              Reactivity Data
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Stability: YES 
Cond To Avoid (Stability): HEAT
Materials To Avoid: ALKALI METALS, POWDERED ALUMINUM, MAGNESIUM
Hazardous Decomp Products: HYDROGEN CHLORIDE, PHOSGENE & CO
Hazardous Poly Occur: NO 
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                            Health Hazard Data
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LD50-LC50 Mixture: ORAL LD50(RAT): 2136 MG/KG 
Route Of Entry - Inhalation: YES 
Route Of Entry - Skin: YES 
Route Of Entry - Ingestion: YES 
Health Haz Acute And Chronic: LOSS OF COORDINATION & EQUILIBRIUM FOLLOWED
BY UNCONSCIOUSNESS & POSSIBLE DEATH.
Carcinogenicity - NTP: YES 
Carcinogenicity - IARC: NO 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: SEE INGREDIENTS.
Signs/Symptoms Of Overexp: LOSS OF COORDINATION & EQUILIBRIUM FOLLOWED BY
UNCONSCIOUSNESS & POSSIBLE DEATH.
Med Cond Aggravated By Exp: CARDIOVASCULAR DISEASES, KIDNEY & LIVER
CONDITIONS.
Emergency/First Aid Proc: EYES/SKIN: FLUSH W/WATER. INHALATION: PROVIDE
FRESH AIR/OXYGEN. OBTAIN MEDICAL ATTENTION IN ALL CASES.
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: DUE TO SMALL QUANTITY INVOLVED, LEAKING
AMPULE MAY BE DISPOSED OF IN PLASTIC BAG W/REST OF HAZARDOUS CHEMICAL
WASTE. VERMICULITE ABSORBING SPILLS SHOULD BE DISPOSED OF SIMILARLY.
Precautions-Handling/Storing: STORE IN COOL VENTED AREA.
Other Precautions: HANDLE IN FUME HOOD W/GLOVES.
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                             Control Measures
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Respiratory Protection: ORGANIC FILTER MASK.
Ventilation: FUME HOOD
Protective Gloves: RUBBER/PLASTIC 
Eye Protection: GOGGLES 
Other Protective Equipment: NONE
Work Hygienic Practices: HANDLE LIKE OTHER LABORATORY CHEMICALS.
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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 
Label Status: G 
Common Name: METHYLENE CHLORIDE 
Special Hazard Precautions: LOSS OF COORDINATION & EQUILIBRIUM FOLLOWED BY
UNCONSCIOUSNESS & POSSIBLE DEATH. LOSS OF COORDINATION & EQUILIBRIUM
FOLLOWED BY UNCONSCIOUSNESS & POSSIBLE DEATH.
Label Name: ACCUSTANDARD INC 
Label Street: 25 SCIENCE PK SUITE 687 
Label City: NEW HAVEN 
Label State: CT 
Label Zip Code: 06511-5000 
Label Country: US 
Label Emergency Number: 203-786-5290