
MSDS - POTASSIUM NITRATE

------------------------------------------------------------------------------
   1 - PRODUCT IDENTIFICATION
------------------------------------------------------------------------------

PRODUCT NAME:     POTASSIUM NITRATE
FORMULA:          KNO3
FORMULA WT:         101.11
CAS NO.:          07757-79-1
NIOSH/RTECS NO.:  TT3700000
COMMON SYNONYMS:  SALTPETER;  NITRIC ACID, POTASSIUM SALT
PRODUCT CODES:    3194,3190
  EFFECTIVE: 09/27/85     
  REVISION #01   

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

                      HEALTH        -  1  SLIGHT
                      FLAMMABILITY  -  0  NONE
                      REACTIVITY    -  3  SEVERE (OXIDIZER)
                      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

                                    DANGER
         STRONG OXIDIZER - CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE
                             HARMFUL IF SWALLOWED
KEEP FROM CONTACT WITH CLOTHING AND OTHER COMBUSTIBLE MATERIALS.  DO NOT
STORE NEAR COMBUSTIBLE MATERIALS.  AVOID CONTACT WITH EYES, SKIN, CLOTHING.
KEEP IN TIGHTLY CLOSED CONTAINER.  WASH THOROUGHLY AFTER HANDLING.  IN CASE
OF FIRE, SOAK WITH WATER.  IN CASE OF SPILL, SWEEP UP AND REMOVE.  FLUSH SPILL
AREA WITH WATER.

SAF-T-DATA(TM) STORAGE COLOR CODE:     YELLOW (REACTIVE)

------------------------------------------------------------------------------
   2 - HAZARDOUS COMPONENTS
------------------------------------------------------------------------------

                          COMPONENT                         %      CAS NO.

POTASSIUM NITRATE                                        90-100  7757-79-1

------------------------------------------------------------------------------
   3 - PHYSICAL DATA
------------------------------------------------------------------------------

BOILING POINT:    N/A                         VAPOR PRESSURE(MM HG): N/A

MELTING POINT:      334 C (   633 F)          VAPOR DENSITY(AIR=1):  3.00

SPECIFIC GRAVITY:  2.11                       EVAPORATION RATE:      N/A
   (H2O=1)                                       (BUTYL ACETATE=1)

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

APPEARANCE & ODOR:  COLORLESS PRISMS TO WHITE GRANULAR OR CRYSTALLINE POWDER.

------------------------------------------------------------------------------
   4 - FIRE AND EXPLOSION HAZARD DATA
------------------------------------------------------------------------------

FLASH POINT (CLOSED CUP   N/A                 NFPA 704M RATING:  0-0-0 OXY

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

FIRE EXTINGUISHING MEDIA
  USE WATER SPRAY.

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
  STRONG OXIDIZER.  CONTACT WITH OTHER MATERIAL MAY CAUSE FIRE.
  WHEN EXPOSED TO HEAT, CLOSED CONTAINERS MAY EXPLODE; MAY ALSO GIVE
  OFF HIGHLY TOXIC OR IRRITATING FUMES.

TOXIC GASES PRODUCED
  NITROGEN OXIDES

------------------------------------------------------------------------------
   5 - HEALTH HAZARD DATA
------------------------------------------------------------------------------

TOXICITY:   LD50 (ORAL-RABBIT)(MG/KG)       -  3015

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

EFFECTS OF OVEREXPOSURE
  INGESTION MAY CAUSE GASTROINTESTINAL PAIN.
  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.

------------------------------------------------------------------------------
   6 - REACTIVITY DATA
------------------------------------------------------------------------------

STABILITY:  STABLE                 HAZARDOUS POLYMERIZATION:  WILL NOT OCCUR

CONDITIONS TO AVOID:    HEAT

INCOMPATIBLES:          ORGANIC MATERIALS, COMBUSTIBLE MATERIALS,
                        STRONG REDUCING AGENTS

DECOMPOSITION PRODUCTS: OXIDES OF NITROGEN

------------------------------------------------------------------------------
   7 - SPILL AND DISPOSAL PROCEDURES
------------------------------------------------------------------------------

STEPS TO BE TAKEN IN THE EVENT OF A SPILL OR DISCHARGE
  WEAR SUITABLE PROTECTIVE CLOTHING.  KEEP COMBUSTIBLES (WOOD, PAPER, OIL,
  ETC.) AWAY FROM SPILLED MATERIAL.  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.

EPA HAZARDOUS WASTE NUMBER:          D003 (REACTIVE WASTE)

------------------------------------------------------------------------------
   8 - PROTECTIVE EQUIPMENT
------------------------------------------------------------------------------

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, USE AN APPROPRIATE RESPIRATOR OR DUST MASK.

EYE/SKIN PROTECTION:     SAFETY GLASSES WITH SIDESHIELDS, BUTYL RUBBER
                         GLOVES ARE RECOMMENDED.

------------------------------------------------------------------------------
   9 - STORAGE AND HANDLING PRECAUTIONS
------------------------------------------------------------------------------

SAF-T-DATA(TM) STORAGE COLOR CODE:     YELLOW (REACTIVE)

SPECIAL PRECAUTIONS
  KEEP CONTAINER TIGHTLY CLOSED.  STORE SEPARATELY AND AWAY FROM FLAMMABLE
  AND COMBUSTIBLE MATERIALS.

------------------------------------------------------------------------------
  10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION
------------------------------------------------------------------------------

DOMESTIC (D.O.T.)

PROPER SHIPPING NAME     POTASSIUM NITRATE
HAZARD CLASS             OXIDIZER
UN/NA                    UN1486
LABELS                   OXIDIZER

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     POTASSIUM NITRATE
HAZARD CLASS             5.1
UN/NA                    UN1486
LABELS                   OXIDIZING AGENT

