J T BAKER INC                                    Emergency#: 908-859-2151      
222 RED SCHOOL LANE                              Reference#: 800/582-2537      
PHILLIPSBURG  NEW JERSEY                         MSDS Rev. Date: 12/20/96    
U.S.A.    08865                          



          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 1
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


MALLINCKRODT BAKER,INC., 222 RED SCHOOL LANE, PHILLIPSBURG, NJ 08865

==============================================================================
                     SECTION I - PRODUCT IDENTIFICATION
==============================================================================

PRODUCT NAME:    DIMETHYLFORMAMIDE
COMMON SYNONYMS: N,N-DIMETHYLFORMAMIDE;  DMF
CHEMICAL FAMILY: AMIDES
FORMULA:         HCON(CH3)2
FORMULA WT.:     73.10
CAS NO.:         68-12-2
NIOSH/RTECS NO.: LQ2100000
PRODUCT USE:     LABORATORY REAGENT
PRODUCT CODES:   9344,J766,9222,9223,5233,9221

==============================================================================
                        PRECAUTIONARY LABELING
==============================================================================
BAKER SAF-T-DATA* SYSTEM
________________________
                      HEALTH        -   3   SEVERE (LIFE)
                      FLAMMABILITY  -   2   MODERATE
                      REACTIVITY    -   1   SLIGHT
                      CONTACT       -   3   SEVERE (LIFE)

LABORATORY PROTECTIVE EQUIPMENT
_______________________________


GOGGLES & SHIELD; LAB COAT & APRON; VENT HOOD; PROPER GLOVES; CLASS B
EXTINGUISHER


                         U.S. PRECAUTIONARY LABELING
                         ___________________________

                               POISON DANGER
COMBUSTIBLE. MAY BE FATAL IF SWALLOWED, INHALED, OR ABSORBED THROUGH SKIN.
EXCEPTIONAL HEALTH AND CONTACT HAZARDS.  BEFORE USING, READ MATERIAL SAFETY
DATA SHEET (MSDS) FOR  THIS MATERIAL.
KEEP AWAY FROM HEAT, SPARKS, FLAME.  DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
DO NOT BREATHE VAPOR.  KEEP IN TIGHTLY CLOSED CONTAINER.  USE WITH ADEQUATE
VENTILATION.  WASH THOROUGHLY AFTER HANDLING.  IN CASE OF FIRE, USE WATER
SPRAY, ALCOHOL FOAM, DRY CHEMICAL, OR CARBON DIOXIDE.  IN CASE OF SPILL, SOAK
UP WITH SAND OR EARTH.  FLUSH SPILL AREA WITH WATER.


                              CONTINUED ON PAGE:  2

          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 2
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


==============================================================================
                   PRECAUTIONARY LABELING (CONTINUED)
==============================================================================


                             INTERNATIONAL LABELING
                             ______________________

AVOID CONTACT WITH EYES.  AFTER CONTACT WITH SKIN, WASH IMMEDIATELY WITH
PLENTY OF WATER.  KEEP CONTAINER TIGHTLY CLOSED.

SAF-T-DATA* STORAGE COLOR CODE: RED (FLAMMABLE)

==============================================================================
                      SECTION II - COMPONENTS
==============================================================================

COMPONENT                         CAS NO.     WEIGHT %   OSHA/PEL   ACGIH/TLV
_________                         _______     ________   ________   _________
DIMETHYLFORMAMIDE                 68-12-2     98-100     10   PPM   10   PPM

==============================================================================
                   SECTION III - PHYSICAL DATA
==============================================================================

BOILING POINT: 153 C (307 F)                 VAPOR PRESSURE (MMHG): 2.6
  (AT 760 MM HG)                                    (20 C)

MELTING POINT: -61 C (-77 F)                 VAPOR DENSITY (AIR=1): 2.5
  (AT 760 MM HG)

SPECIFIC GRAVITY: 0.95                       EVAPORATION RATE: <1
   (H2O=1)                                     (BUTYL ACETATE = 1)

SOLUBILITY(H20): COMPLETE (100%)             % VOLATILES BY VOLUME: 100
                                                (21 C)

PH: 8.0    (20% SOLUTION)

ODOR THRESHOLD (P.P.M.): N/A                PHYSICAL STATE: LIQUID

COEFFICIENT WATER/OIL DISTRIBUTION: N/A

APPEARANCE & ODOR: CLEAR, COLORLESS LIQUID. AMMONIA ODOR.


                              CONTINUED ON PAGE:  3

          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 3
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


==============================================================================
              SECTION IV - FIRE AND EXPLOSION HAZARD DATA
==============================================================================

FLASH POINT (CLOSED CUP): 57 C (136 F)        NFPA 704M RATING: 1-2-0

AUTOIGNITION TEMPERATURE: 444 C (833 F)

FLAMMABLE LIMITS:   UPPER - 15.2  %    LOWER -  2.2  %

FIRE EXTINQUISHING MEDIA
________________________
    USE WATER SPRAY, ALCOHOL FOAM, DRY CHEMICAL OR CARBON DIOXIDE.

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
________________________________
    VAPORS MAY FLOW ALONG SURFACES TO DISTANT IGNITION SOURCES AND FLASH BACK.
    CLOSED CONTAINERS EXPOSED TO HEAT MAY EXPLODE.  CONTACT WITH STRONG
    OXIDIZERS MAY CAUSE FIRE.

TOXIC GASES PRODUCED
____________________
    AMMONIA, OXIDES OF NITROGEN, CARBON MONOXIDE, CARBON DIOXIDE

EXPLOSION DATA-SENSITIVITY TO MECHANICAL IMPACT
_______________________________________________
    NONE IDENTIFIED.

EXPLOSION DATA-SENSITIVITY TO STATIC DISCHARGE
______________________________________________
    NONE IDENTIFIED.

==============================================================================
                      SECTION V - HEALTH HAZARD DATA
==============================================================================


THRESHOLD LIMIT VALUE (TLV/TWA):  30 MG/M3     (10 PPM)

THE TLV LISTED DENOTES TLV (SKIN).

SHORT-TERM EXPOSURE LIMIT (STEL): NOT ESTABLISHED

PERMISSIBLE EXPOSURE LIMIT (PEL): 30 MG/M3     (10 PPM)

THE PEL LISTED DENOTES PEL (SKIN).


                              CONTINUED ON PAGE:  4

          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 4
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


==============================================================================
                 SECTION V - HEALTH HAZARD DATA (CONTINUED)
==============================================================================


TOXICITY OF COMPONENTS
______________________

ORAL RAT LD50 FOR DIMETHYLFORMAMIDE                                2800 MG/KG
SKIN RAT LD50 FOR DIMETHYLFORMAMIDE                                5000 MG/KG
INTRAPERITONEAL RAT LD50 FOR DIMETHYLFORMAMIDE                     1400 MG/KG
INTRAVENOUS RAT LD50 FOR DIMETHYLFORMAMIDE                         2000 MG/KG
CARCINOGENICITY:   NTP: NO    IARC: YES    Z LIST: YES  OSHA REG: YES

CARCINOGENICITY
_______________
    DIMETHYLFORMAMIDE IS POSSIBLY CARCINOGENIC TO HUMANS (GROUP 2B).

REPRODUCTIVE EFFECTS
____________________
    TESTS ON LABORATORY ANIMALS INDICATE MATERIAL MAY CAUSE FETAL DEATH.

EFFECTS OF OVEREXPOSURE
______________________

    INHALATION:      MAY BE FATAL. HEADACHE, NAUSEA, VOMITING, DIZZINESS,
                     DROWSINESS, IRRITATION OF UPPER RESPIRATORY TRACT,
                     UNCONSCIOUSNESS

    SKIN CONTACT:    IRRITATION, PROLONGED CONTACT MAY CAUSE DERMATITIS

    EYE CONTACT:     IRRITATION

    SKIN ABSORPTION: MAY BE FATAL. RAPID ABSORPTION

    INGESTION:       MAY BE FATAL. HEADACHE, NAUSEA, VOMITING, DIZZINESS,
                     GASTROINTESTINAL IRRITATION

    CHRONIC EFFECTS: DAMAGE TO LIVER, KIDNEYS, BLOOD, CENTRAL NERVOUS SYSTEM

TARGET ORGANS
_____________
    LIVER, KIDNEYS, CARDIOVASCULAR SYSTEM, EYES, SKIN, BONE MARROW, CENTRAL
    NERVOUS SYSTEM

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
___________________________________________________
    LIVER DISORDERS

PRIMARY ROUTES OF ENTRY
_______________________
    INHALATION, INGESTION, ABSORPTION, EYE CONTACT, SKIN CONTACT


                              CONTINUED ON PAGE:  5

          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 5
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


==============================================================================
                 SECTION V - HEALTH HAZARD DATA (CONTINUED)
==============================================================================


EMERGENCY AND FIRST AID PROCEDURES
__________________________________

    INGESTION:    CALL A PHYSICIAN.  IF SWALLOWED, IF CONSCIOUS, GIVE LARGE
                  AMOUNTS OF WATER. INDUCE VOMITING.

    INHALATION:   IF INHALED, REMOVE TO FRESH AIR.  IF NOT BREATHING, GIVE
                  ARTIFICIAL RESPIRATION.  IF BREATHING IS DIFFICULT, GIVE
                  OXYGEN. PROMPT ACTION IS ESSENTIAL.

    SKIN CONTACT: IN CASE OF CONTACT, IMMEDIATELY FLUSH SKIN WITH PLENTY OF
                  WATER FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED
                  CLOTHING AND SHOES.  WASH CLOTHING BEFORE RE-USE.

    EYE CONTACT:  IN CASE OF EYE CONTACT, IMMEDIATELY FLUSH WITH PLENTY OF
                  WATER FOR AT LEAST 15 MINUTES.

               SARA/TITLE III HAZARD CATEGORIES AND LISTS
               __________________________________________

ACUTE: YES CHRONIC: YES FLAMMABILITY: YES PRESSURE: NO  REACTIVITY: NO

EXTREMELY HAZARDOUS SUBSTANCE: NO
CERCLA HAZARDOUS SUBSTANCE:    NO
SARA 313 TOXIC CHEMICALS:      YES  CONTAINS DIMETHYLFORMAMIDE
      GENERIC CLASS:                GENERIC CLASS REMOVED FROM CFR:  7/1/91
TSCA INVENTORY:                YES

==============================================================================
                        SECTION VI - REACTIVITY DATA
==============================================================================

STABILITY: STABLE                   HAZARDOUS POLYMERIZATION: WILL NOT OCCUR

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

INCOMPATIBLES:          STRONG OXIDIZING AGENTS, HALOGENATED HYDROCARBONS,
                        ACTIVE HALOGEN COMPOUNDS, STRONG ACIDS, STRONG
                        REDUCING AGENTS, RUBBER, LEATHER, TRIETHYLALUMINUM,
                        ACID CHLORIDES

DECOMPOSITION PRODUCTS: AMINES, OXIDES OF NITROGEN, CARBON MONOXIDE, CARBON
                        DIOXIDE


                              CONTINUED ON PAGE:  6

          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 6
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


==============================================================================
                  SECTION VII - SPILL & DISPOSAL PROCEDURES
==============================================================================

STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
______________________________________________________
    WEAR SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING. SHUT
    OFF IGNITION SOURCES; NO FLARES, SMOKING OR FLAMES IN AREA.  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 AREA WITH WATER.

J. T. BAKER SOLUSORB(R) SOLVENT ADSORBENT IS RECOMMENDED FOR SPILLS OF THIS
PRODUCT.

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

EPA HAZARDOUS WASTE NUMBER:       D001 (IGNITABLE WASTE)

==============================================================================
                SECTION VIII - INDUSTRIAL PROTECTIVE EQUIPMENT
==============================================================================

VENTILATION:            USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
                        REQUIREMENTS.

RESPIRATORY PROTECTION: RESPIRATORY PROTECTION REQUIRED IF AIRBORNE
                        CONCENTRATION EXCEEDS TLV.  AT CONCENTRATIONS ABOVE 10
                        PPM, A SELF-CONTAINED BREATHING APPARATUS IS ADVISED.

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

==============================================================================
              SECTION IX - STORAGE AND HANDLING PRECAUTIONS
==============================================================================

SAF-T-DATA* STORAGE COLOR CODE: RED (FLAMMABLE)

STORAGE REQUIREMENTS
____________________
    KEEP CONTAINER TIGHTLY CLOSED.  STORE IN A COOL, DRY, WELL-VENTILATED,
    FLAMMABLE LIQUID STORAGE AREA OR CABINET. ISOLATE FROM INCOMPATIBLE
    MATERIALS.

SPECIAL PRECAUTIONS
___________________
    MATERIAL IS HYGROSCOPIC.


                              CONTINUED ON PAGE:  7

          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 7
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


==============================================================================
         SECTION X - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
==============================================================================

DOMESTIC (D.O.T.)
_________________

PROPER SHIPPING NAME:  N,N-DIMETHYLFORMAMIDE
HAZARD CLASS:          3
UN/NA: UN2265    REPORTABLE QUANTITY: 100   LBS.    PACKAGING GROUP: III
LABELS: 3 FLAMMABLE LIQUID
REGULATORY REFERENCES: 49CFR 172.101

INTERNATIONAL (I.M.O.)
______________________

PROPER SHIPPING NAME:  N,N-DIMETHYLFORMAMIDE
HAZARD CLASS:          3.3                          I.M.O. PAGE: 3335
UN: UN2265       MARINE POLLUTANTS: NO              PACKAGING GROUP: III
LABELS: 3 FLAMMABLE LIQUID
REGULATORY REFERENCES: 49CFR PART 176; IMDG CODE

AIR (I.C.A.O.)
______________

PROPER SHIPPING NAME:  N,N-DIMETHYLFORMAMIDE
HAZARD CLASS:          3
UN: UN2265                                          PACKAGING GROUP: III
LABELS: 3 FLAMMABLE LIQUID
REGULATORY REFERENCES: 49CFR PART 175; ICAO=== WE BELIEVE THE TRANSPORTATION
                       DATA AND REFERENCES CONTAINED HEREIN TO BE FACTUAL AND
                       THE OPINION OF QUALIFIED EXPERTS. THE DATA IS MEANT AS
                       A GUIDE TO THE OVERALL CLASSIFICATION OF THE PRODUCT
                       AND IS NOT PACKAGE SIZE SPECIFIC, NOR SHOULD IT BE
                       TAKEN AS A WARRANTY OR REPRESENTATION FOR WHICH THE
                       COMPANY ASSUMES LEGAL RESPONSIBILITY.=== THE
                       INFORMATION IS OFFERED SOLELY FOR YOUR CONSIDERATION,
                       INVESTIGATION, AND VERIFICATION. ANY USE OF THE
                       INFORMATION MUST BE DETERMINED BY THE USER TO BE IN
                       ACCORDANCE WITH APPLICABLE FEDERAL, STATE, AND LOCAL
                       LAWS AND REGULATIONS. SEE SHIPPER REQUIREMENTS 49CFR
                       171.2, CERTIFICATION 172.204, AND EMPLOYEE TRAINING  49
                       CFR 173.1(B).

U.S. CUSTOMS HARMONIZATION NUMBER: 29241000007


                              CONTINUED ON PAGE:  8

          J.T.BAKER INC.  222 RED SCHOOL LANE, PHILLIPSBURG, NJ  08865
              M A T E R I A L   S A F E T Y   D A T A   S H E E T
                 24-HOUR EMERGENCY TELEPHONE -- (908) 859-2151
     CHEMTREC # (800) 424-9300 -- NATIONAL RESPONSE CENTER # (800) 424-8802


D6408 -10                      DIMETHYLFORMAMIDE                       PAGE: 8
EFFECTIVE:  03/03/95                                          ISSUED: 12/20/96


==============================================================================


NOTE:  WHEN HANDLING LIQUID PRODUCTS, SECONDARY PROTECTIVE CONTAINERS MUST BE
USED FOR CARRYING.
-N/A = NOT APPLICABLE, OR NOT AVAILABLE; -N/E = NOT ESTABLISHED
=============================================================================
MALLINCKRODT BAKER PROVIDES THE INFORMATION CONTAINED HEREIN IN GOOD FAITH BUT
MAKES NO REPRESENTATION AS TO ITS COMPREHENSIVENESS OR ACCURACY.  THIS
DOCUMENT IS INTENDED ONLY AS A GUIDE TO THE APPROPRIATE PRECAUTIONARY HANDLING
OF THE MATERIAL BY A PROPERLY TRAINED PERSON USING THIS PRODUCT. INDIVIDUALS
RECEIVING THE INFORMATION MUST EXERCISE THEIR INDEPENDENT JUDGMENT
IN DETERMINING ITS APPROPRIATENESS FOR A PARTICULAR PURPOSE.
MALLINCKRODT BAKER MAKES NO REPRESENTATIONS, OR WARRANTIES, EITHER
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF
MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT
TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION
REFERS. ACCORDINGLY, MALLINCKRODT BAKER WILL NOT BE RESPONSIBLE FOR
DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION.
=========================================================================
NOTE: CHEMTREC, CANUTEC AND NATIONAL RESPONSE CENTER EMERGENCY
TELEPHONE NUMBERS ARE TO BE USED ONLY IN THE EVENT OF CHEMICAL EMERGENCIES
INVOLVING A SPILL, LEAK, FIRE, EXPOSURE, OR ACCIDENT INVOLVING
CHEMICALS. ALL NON-EMERGENCY QUESTIONS SHOULD BE DIRECTED TO CUSTOMER
SERVICE (1-800-JTBAKER) FOR ASSISTANCE.
========================================================================
COPYRIGHT 1996 MALLINCKRODT BAKER, INC.
*TRADEMARKS OF MALLINCKRODT BAKER, INC.
APPROVED BY QUALITY ASSURANCE DEPARTMENT.


                               --  LAST PAGE  --



This MSDS is supplied by the Canadian Centre for Occupational Health & Safety.