MSDS for SODIUM BORATE, 10-HYDRATE

------------------------------------------------------------------------------

1 - PRODUCT IDENTIFICATION

------------------------------------------------------------------------------

PRODUCT NAME: SODIUM BORATE, 10-HYDRATE
FORMULA: NA2B4O7 10H2O
FORMULA WT: 381.37
CAS NO.: 01303-96-4
NIOSH/RTECS NO.: VZ2275000
COMMON SYNONYMS: SODIUM TETRABORATE, DECAHYDRATE; BORAX; SODIUM BIBORATE, DECAHYDRATE
PRODUCT CODES: 3570,3574,3568
EFFECTIVE: 10/08/85
REVISION #01

PRECAUTIONARY LABELLING
BAKER SAF-T-DATA(TM) SYSTEM
HEALTH - 2 MODERATE
FLAMMABILITY - 0 NONE
REACTIVITY - 0 NONE
CONTACT - 1 SLIGHT
HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).

LABORATORY PROTECTIVE EQUIPMENT
SAFETY GLASSES; LAB COAT

PRECAUTIONARY LABEL STATEMENTS
WARNING
HARMFUL IF SWALLOWED OR INHALED
AVOID CONTACT WITH EYES, SKIN, CLOTHING.
AVOID BREATHING DUST. KEEP IN TIGHTLY CLOSED CONTAINER. USE WITH ADEQUATE VENTILATION. WASH THOROUGHLY AFTER HANDLING.

SAF-T-DATA(TM) STORAGE COLOR CODE: ORANGE (GENERAL STORAGE)

------------------------------------------------------------------------------

2 - HAZARDOUS COMPONENTS

------------------------------------------------------------------------------

COMPONENT % CAS NO.
SODIUM BORATE, 10-HYDRATE 90-100 1303-96-4

------------------------------------------------------------------------------

3 - PHYSICAL DATA

------------------------------------------------------------------------------

BOILING POINT: 320 C ( 608 F) VAPOR PRESSURE(MM HG): N/A
MELTING POINT: 75 C ( 167 F) VAPOR DENSITY(AIR=1): N/A
SPECIFIC GRAVITY: 1.73 EVAPORATION RATE: N/A
(H2O=1) (BUTYL ACETATE=1)
SOLUBILITY(H2O): MODERATE (1 TO 10 %) % VOLATILES BY VOLUME: 0
APPEARANCE & ODOR: WHITE ODORLESS CRYSTALS.

------------------------------------------------------------------------------

4 - FIRE AND EXPLOSION HAZARD DATA

------------------------------------------------------------------------------

FLASH POINT (CLOSED CUP N/A
FLAMMABLE LIMITS: UPPER - N/A % LOWER - N/A %

FIRE EXTINGUISHING MEDIA
USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING FIRE.

------------------------------------------------------------------------------

5 - HEALTH HAZARD DATA

------------------------------------------------------------------------------

THRESHOLD LIMIT VALUE (TLV/TWA): 5 MG/M3 ( PPM)
TOXICITY: LD50 (ORAL-RAT)(MG/KG) - 2660
LD50 (IV-MOUSE) (MG/KG) - 1320

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

EFFECTS OF OVEREXPOSURE
INGESTION MAY CAUSE NAUSEA AND VOMITING.

TARGET ORGANS
NONE IDENTIFIED

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE
NONE IDENTIFIED

ROUTES OF ENTRY
NONE INDICATED

EMERGENCY AND FIRST AID PROCEDURES
CALL A PHYSICIAN.
IF SWALLOWED, IF CONSCIOUS, IMMEDIATELY INDUCE VOMITING.
IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.

------------------------------------------------------------------------------

6 - REACTIVITY DATA

------------------------------------------------------------------------------

STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR

INCOMPATIBLES: STRONG ACIDS, METALLIC SALTS

DECOMPOSITION PRODUCTS: OXIDES

------------------------------------------------------------------------------

7 - SPILL AND DISPOSAL PROCEDURES

------------------------------------------------------------------------------

STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
WEAR SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE CLOTHING. 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.

------------------------------------------------------------------------------

8 - PROTECTIVE EQUIPMENT

------------------------------------------------------------------------------

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

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 GLASSES WITH SIDESHIELDS, PROPER GLOVES ARE RECOMMENDED.

------------------------------------------------------------------------------

9 - STORAGE AND HANDLING PRECAUTIONS

------------------------------------------------------------------------------

SAF-T-DATA(TM) STORAGE COLOR CODE: ORANGE (GENERAL STORAGE)

SPECIAL PRECAUTIONS
KEEP CONTAINER TIGHTLY CLOSED. SUITABLE FOR ANY GENERAL CHEMICAL STORAGE AREA.

------------------------------------------------------------------------------

10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION

------------------------------------------------------------------------------