
MSDS - METHYLENE CHLORIDE

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   1 - PRODUCT IDENTIFICATION
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PRODUCT NAME:     METHYLENE CHLORIDE
FORMULA:          CH2CL2
FORMULA WT:          84.93
CAS NO.:             75-09-2
NIOSH/RTECS NO.:  PA8050000
COMMON SYNONYMS:  DICHLOROMETHANE;  METHYLENE DICHLORIDE;  METHANE DICHLORIDE
PRODUCT CODES:    9324,9341,Q480,9330,5378,5531,9315,9329,9264
  EFFECTIVE: 10/24/86     
  REVISION #03   

                            PRECAUTIONARY LABELLING
BAKER SAF-T-DATA(TM) SYSTEM

                      HEALTH        -  3  SEVERE (CANCER CAUSING)
                      FLAMMABILITY  -  1  SLIGHT
                      REACTIVITY    -  1  SLIGHT
                      CONTACT       -  2  MODERATE
HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).

LABORATORY PROTECTIVE EQUIPMENT

GOGGLES & SHIELD; LAB COAT & APRON; VENT HOOD; PROPER GLOVES

PRECAUTIONARY LABEL STATEMENTS

                               POISON DANGER
                               CAUSES IRRITATION
                       HARMFUL IF ABSORBED THROUGH SKIN
                     MAY BE FATAL IF SWALLOWED OR INHALED
 NOTE:  REPORTED AS CAUSING CANCER IN LABORATORY ANIMALS.  EXERCISE DUE CARE.
AVOID CONTACT WITH EYES, SKIN, CLOTHING.
KEEP IN TIGHTLY CLOSED CONTAINER.  WASH THOROUGHLY AFTER HANDLING.

SAF-T-DATA(TM) STORAGE COLOR CODE:     BLUE (HEALTH)

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   2 - HAZARDOUS COMPONENTS
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                          COMPONENT                         %      CAS NO.

METHYLENE CHLORIDE                                       90-100    75-09-2

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   3 - PHYSICAL DATA
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BOILING POINT:       40 C (   104 F)          VAPOR PRESSURE(MM HG): 350

MELTING POINT:      -95 C (  -139 F)          VAPOR DENSITY(AIR=1):  2.9

SPECIFIC GRAVITY:  1.32                       EVAPORATION RATE:      27.5
   (H2O=1)                                       (BUTYL ACETATE=1)

SOLUBILITY(H2O):     MODERATE (1 TO 10 %)          % VOLATILES BY VOLUME: 100

APPEARANCE & ODOR: COLORLESS,VOLATILE LIQUID WITH PENETRATING,ETHER-LIKE ODOR.

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   4 - FIRE AND EXPLOSION HAZARD DATA
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FLASH POINT (CLOSED CUP   N/A                 NFPA 704M RATING:  2-1-0

FLAMMABLE LIMITS:  UPPER -   19 %       LOWER -   12 %

FIRE EXTINGUISHING MEDIA
  USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING FIRE.

SPECIAL FIRE-FIGHTING PROCEDURES
  FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED
  BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE.
  MOVE CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK.  USE WATER
  TO KEEP FIRE-EXPOSED CONTAINERS COOL.

UNUSUAL FIRE & EXPLOSION HAZARDS
  CLOSED CONTAINERS EXPOSED TO HEAT MAY EXPLODE.

TOXIC GASES PRODUCED
  HYDROGEN CHLORIDE, PHOSGENE, CARBON MONOXIDE, CARBON DIOXIDE

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   5 - HEALTH HAZARD DATA
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ACGIH DENOTES THAT THIS SUBSTANCE IS SUSPECT OF CARCINOGENIC POTENTIAL
FOR MAN.

THRESHOLD LIMIT VALUE (TLV/TWA):   350  MG/M3 (  100  PPM)

SHORT-TERM EXPOSURE LIMIT (STEL):  1740 MG/M3 (  500  PPM)

PERMISSIBLE EXPOSURE LIMIT (PEL):       MG/M3 (  500  PPM)

TOXICITY:   LD50 (ORAL-RAT)(MG/KG)          -  2524
            LD50 (IPR-MOUSE)(MG/KG)         -  1500
            LD50 (SCU-MOUSE)(MG/KG)         -  6460
            LC50 (INHAL-RAT-)(G/M3)         -    88

CARCINOGENICITY:  NTP: NO     IARC: NO     Z LIST: NO     OSHA REG: NO

EFFECTS OF OVEREXPOSURE
  INHALATION AND INGESTION ARE HARMFUL AND MAY BE FATAL.
  INHALATION MAY CAUSE HEADACHE, NAUSEA, VOMITING, DIZZINESS, NARCOSIS,
  SUFFOCATION, LOWER BLOOD PRESSURE, CENTRAL NERVOUS SYSTEM DEPRESSION.
  INHALATION OF VAPORS MAY CAUSE SEVERE IRRITATION OF THE RESPIRATORY SYSTEM.
  LIQUID MAY BE IRRITATING TO SKIN AND EYES.  PROLONGED SKIN CONTACT MAY
  RESULT IN DERMATITIS.  EYE CONTACT MAY RESULT IN TEMPORARY CORNEAL DAMAGE.
  INGESTION MAY CAUSE NAUSEA, VOMITING, GASTROINTESTINAL IRRITATION, AND
  BURNS TO MOUTH AND THROAT.

TARGET ORGANS
  SKIN, CARDIOVASCULAR SYSTEM, CENTRAL NERVOUS SYSTEM, EYES

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
  NONE IDENTIFIED

ROUTES OF ENTRY
  INHALATION, INGESTION, SKIN CONTACT, EYE CONTACT

EMERGENCY AND FIRST AID PROCEDURES
  CALL A PHYSICIAN.
  IF SWALLOWED, DO NOT INDUCE VOMITING.
  IF INHALED, REMOVE TO FRESH AIR.  IF NOT BREATHING, GIVE ARTIFICIAL
  RESPIRATION.  IF BREATHING IS DIFFICULT, GIVE OXYGEN.
  IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER FOR AT
  LEAST 15 MINUTES.  FLUSH SKIN WITH WATER.

  ACCEPTABLE MAXIMUM PEAK ABOVE THE ACCEPTANCE CEILING CONCENTRATION FOR
  AN 8 HOUR SHIFT = 2000 PPM FOR 5 MINUTES IN ANY 2HOURS.  (PEL) CEILING
  = 1000 PPM

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   6 - REACTIVITY DATA
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STABILITY:  STABLE                 HAZARDOUS POLYMERIZATION:  WILL NOT OCCUR

CONDITIONS TO AVOID:    HEAT, FLAME, OTHER SOURCES OF IGNITION, MOISTURE

INCOMPATIBLES:          ALKALI METALS, STRONG OXIDIZING AGENTS, STRONG BASES,
                        OXIDES OF NITROGEN, ZINC, ALUMINUM, WATER, MAGNESIUM,
                        AMINES

DECOMPOSITION PRODUCTS: HYDROGEN CHLORIDE, PHOSGENE,
                        CARBON MONOXIDE, CARBON DIOXIDE

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   7 - SPILL AND DISPOSAL PROCEDURES
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STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
  WEAR SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING.
  STOP LEAK IF YOU CAN DO SO WITHOUT RISK.  USE WATER SPRAY TO REDUCE VAPORS.
  TAKE UP WITH SAND OR OTHER NON-COMBUSTIBLE ABSORBENT MATERIAL AND PLACE
  INTO CONTAINER FOR LATER DISPOSAL.  FLUSH SPILL AREA WITH WATER.


DISPOSAL PROCEDURE
  DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL
  ENVIRONMENTAL REGULATIONS.

EPA HAZARDOUS WASTE NUMBER:          U080 (TOXIC WASTE)

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   8 - PROTECTIVE EQUIPMENT
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VENTILATION:             USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET
                         TLV REQUIREMENTS.

RESPIRATORY PROTECTION:  RESPIRATORY PROTECTION REQUIRED IF AIRBORNE
                         CONCENTRATION EXCEEDS TLV.  AT CONCENTRATIONS
                         ABOVE 100 PPM, A SELF-CONTAINED BREATHING
                         APPARATUS IS ADVISED.

EYE/SKIN PROTECTION:     SAFETY GOGGLES AND FACE SHIELD, UNIFORM,
                         PROTECTIVE SUIT, POLYVINYL ALCOHOL GLOVES ARE
                         RECOMMENDED.

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   9 - STORAGE AND HANDLING PRECAUTIONS
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SAF-T-DATA(TM) STORAGE COLOR CODE:     BLUE (HEALTH)

SPECIAL PRECAUTIONS
  KEEP CONTAINER TIGHTLY CLOSED.  STORE IN SECURE POISON AREA.
  KEEP CONTAINERS OUT OF SUN AND AWAY FROM HEAT.

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  10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
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DOMESTIC (D.O.T.)

PROPER SHIPPING NAME     DICHLOROMETHANE (AIR ONLY)
HAZARD CLASS             ORM-A
UN/NA                    UN1593
LABELS                   NONE
REPORTABLE QUANTITY      1000 LBS.

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     DICHLOROMETHANE
HAZARD CLASS             6.1
UN/NA                    UN1593
LABELS                   HARMFUL - STOW AWAY FROM FOOD STUFFS

