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MSDS for   SODIUM BOROHYDRIDE (98%)                       Page  1
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   1 - PRODUCT IDENTIFICATION
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PRODUCT NAME:     SODIUM BOROHYDRIDE (98%)
FORMULA:          NABH4
FORMULA WT:          37.83
CAS NO.:          16940-66-2
NIOSH/RTECS NO.:  ED3325000
COMMON SYNONYMS:  SODIUM TETRAHYDROBORATE
PRODUCT CODES:    V023
  EFFECTIVE: 01/22/87     
  REVISION #03   

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

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

LABORATORY PROTECTIVE EQUIPMENT

GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES; CLASS D EXTINGUISHER

PRECAUTIONARY LABEL STATEMENTS

                                   WARNING
                                  COMBUSTIBLE
                                 CAUSES BURNS
                             HARMFUL IF SWALLOWED
                         REACTS VIOLENTLY WITH WATER.
KEEP AWAY FROM HEAT, SPARKS, FLAME.  DO NOT GET IN EYES, ON SKIN, ON CLOTHING.
DO NOT BREATHE DUST.  KEEP IN TIGHTLY CLOSED CONTAINER.  USE WITH
ADEQUATE VENTILATION.  WASH THOROUGHLY AFTER HANDLING.  IN CASE OF FIRE,
DO NOT USE WATER.  USE DRY SAND, EARTH OR SODA ASH.  IN CASE OF SPILL,
SWEEP UP AND CAREFULLY REMOVE.

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

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   2 - HAZARDOUS COMPONENTS
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                          COMPONENT                         %      CAS NO.

SODIUM BOROHYDRIDE (98%)                                 90-100 16940-66-2

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   3 - PHYSICAL DATA
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BOILING POINT:    N/A                         VAPOR PRESSURE(MM HG): ~0

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MSDS for   SODIUM BOROHYDRIDE (98%)                       Page  2
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MELTING POINT:    N/A                         VAPOR DENSITY(AIR=1):  1.3

SPECIFIC GRAVITY:  1.07                       EVAPORATION RATE:      N/A
   (H2O=1)                                       (BUTYL ACETATE=1)

SOLUBILITY(H2O):     APPRECIABLE (MORE THAN 10 %)  % VOLATILES BY VOLUME: 0

APPEARANCE & ODOR:  WHITE CRYSTALLINE POWDER.

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   4 - FIRE AND EXPLOSION HAZARD DATA
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FLASH POINT (CLOSED CUP   N/A

FLAMMABLE LIMITS:  UPPER - N/A  %       LOWER - N/A  %

FIRE EXTINGUISHING MEDIA
  SMOTHER WITH DRY SODA ASH. NEVER USE WATER OR CHEMICAL FIRE
  EXTINGUISHERS.

SPECIAL FIRE-FIGHTING PROCEDURES
  FIREFIGHTERS SHOULD WEAR PROPER PROTECTIVE EQUIPMENT AND SELF-CONTAINED
  BREATHING APPARATUS WITH FULL FACEPIECE OPERATED IN POSITIVE PRESSURE MODE.
  MOVE EXPOSED CONTAINERS FROM FIRE AREA IF IT CAN BE DONE WITHOUT RISK.
  USE WATER TO KEEP FIRE-EXPOSED CONTAINERS COOL; DO NOT GET WATER INSIDE
  CONTAINERS.

UNUSUAL FIRE & EXPLOSION HAZARDS
  REACTS VIOLENTLY WITH WATER LIBERATING AND IGNITING HYDROGEN.
  CAN BE AN EXPLOSION HAZARD, ESPECIALLY WHEN HEATED.

TOXIC GASES PRODUCED
  HYDROGEN GAS

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   5 - HEALTH HAZARD DATA
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TOXICITY:   LD50 (IPR-RAT)(MG/KG)           -  18

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

EFFECTS OF OVEREXPOSURE
  INHALATION OF DUST MAY CAUSE IRRITATION TO UPPER RESPIRATORY TRACT.
  CONTACT WITH SKIN OR EYES MAY CAUSE SEVERE IRRITATION OR BURNS.
  INGESTION MAY CAUSE BURNS TO MOUTH AND STOMACH, WHICH MAY CAUSE
  PERFORATION OF TISSUE.
  INGESTION MAY CAUSE LARGE VOLUME OF GAS AND LEAD TO A GAS EMBOLISM.

TARGET ORGANS
  NONE IDENTIFIED

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
  NONE IDENTIFIED

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MSDS for   SODIUM BOROHYDRIDE (98%)                       Page  3
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ROUTES OF ENTRY
  INHALATION, INGESTION, SKIN CONTACT, EYE CONTACT

EMERGENCY AND FIRST AID PROCEDURES
  CALL A PHYSICIAN.
  IF SWALLOWED, IF CONSCIOUS, GIVE LARGE AMOUNTS OF WATER. INDUCE VOMITING.
  IN CASE OF EYE CONTACT, IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT
  LEAST 15 MINUTES.
  IN CASE OF SKIN CONTACT, IMMEDIATELY REMOVE SOLID PARTICLES.  THEN FLUSH
  SKIN WITH WATER FOR AT LEAST 15 MINUTES.

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

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

INCOMPATIBLES:          STRONG ACIDS, WATER, STRONG OXIDIZING AGENTS,
                        PALLADIUM, RUTHENIUM SALTS, METALLIC SALTS, GLASS

DECOMPOSITION PRODUCTS: HYDROGEN

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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.
  SHUT OFF IGNITION SOURCES; NO FLARES, SMOKING, OR FLAMES IN AREA.  WITH
  CLEAN SHOVEL, CAREFULLY PLACE MATERIAL INTO CLEAN, DRY CONTAINER AND COVER;
  REMOVE FROM AREA.  FLUSH SPILL AREA WITH WATER.

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

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   8 - PROTECTIVE EQUIPMENT
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VENTILATION:             USE ADEQUATE GENERAL OR LOCAL EXHAUST VENTILATION
                         TO KEEP FUME OR DUST LEVELS AS LOW AS POSSIBLE.

RESPIRATORY PROTECTION:  NONE REQUIRED WHERE ADEQUATE VENTILATION
                         CONDITIONS EXIST.  IF AIRBORNE CONCENTRATION IS
                         HIGH, A DUST/MIST RESPIRATOR IS RECOMMENDED.
                         IF CONCENTRATION EXCEEDS CAPACITY OF RESPIRATOR,
                         A SELF-CONTAINED BREATHING APPARATUS IS ADVISED.
EYE/SKIN PROTECTION:     SAFETY GOGGLES, UNIFORM, APRON, RUBBER GLOVES ARE
                         RECOMMENDED.

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   9 - STORAGE AND HANDLING PRECAUTIONS
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MSDS for   SODIUM BOROHYDRIDE (98%)                       Page  4
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SAF-T-DATA(TM) STORAGE COLOR CODE:     RED (FLAMMABLE)

SPECIAL PRECAUTIONS
  KEEP CONTAINER TIGHTLY CLOSED.  STORE AWAY FROM WATER OR LOCATIONS WHERE
  WATER MAY BE USED TO EXTINGUISH FIRE.

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

PROPER SHIPPING NAME     FLAMMABLE SOLID, N.O.S. (SODIUM BOROHYDRIDE (98%))
HAZARD CLASS             FLAMMABLE SOLID
UN/NA                    UN1325
LABELS                   FLAMMABLE SOLID, DANGEROUS WHEN WET

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     SODIUM BOROHYDRIDE
HAZARD CLASS             4.3
UN/NA                    UN1426
LABELS                   DANGEROUS WHEN WET