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MSDS for POTASSIUM Page 1

1 - PRODUCT IDENTIFICATION

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PRODUCT NAME: POTASSIUM

FORMULA: K

FORMULA WT: 39.10

CAS NO.: 07440-09-7

NIOSH/RTECS NO.: TS6460000

COMMON SYNONYMS: KALIUM

PRODUCT CODES: 9398

EFFECTIVE: 12/02/85

REVISION #01

PRECAUTIONARY LABELLING

BAKER SAF-T-DATA(TM) SYSTEM

HEALTH - 3 SEVERE (POISON)

FLAMMABILITY - 3 SEVERE (FLAMMABLE)

REACTIVITY - 3 SEVERE (WATER REACTIVE)

CONTACT - 4 EXTREME (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

DANGER

REACTS VIOLENTLY WITH WATER, LIBERATING AND IGNITING HYDROGEN.

CAUSES SEVERE BURNS

FLAMMABLE SOLID

EXCEPTIONAL CONTACT HAZARD - READ MATERIAL SAFETY DATA SHEET

DO NOT GET IN EYES, ON SKIN, ON CLOTHING.

KEEP IN TIGHTLY CLOSED CONTAINER. KEEP FROM ANY POSSIBLE CONTACT WITH

WATER. WASH THOROUGHLY AFTER HANDLING. IN CASE OF FIRE, SMOTHER WITH DRY

SODA ASH. NEVER USE WATER OR CHEMICAL FIRE EXTINGUISHERS.

SAF-T-DATA(TM) STORAGE COLOR CODE: RED STRIPE (STORE SEPARATELY)

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2 - HAZARDOUS COMPONENTS

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COMPONENT % CAS NO.

POTASSIUM 90-100 7440-09-7

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3 - PHYSICAL DATA

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BOILING POINT: 765 C ( 1409 F) VAPOR PRESSURE(MM HG): N/A

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MSDS for POTASSIUM Page 2

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MELTING POINT: 63 C ( 145 F) VAPOR DENSITY(AIR=1): 1.4

SPECIFIC GRAVITY: 0.86 EVAPORATION RATE: N/A

(H2O=1) (BUTYL ACETATE=1)

SOLUBILITY(H2O): DECOMPOSES % VOLATILES BY VOLUME: N/A

APPEARANCE & ODOR: SOFT, SILVERY WHITE METAL; TARNISHES ON EXPOSURE TO AIR.

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4 - FIRE AND EXPLOSION HAZARD DATA

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FLASH POINT (CLOSED CUP N/A NFPA 704M RATING: 3-1-2 W

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

DO NOT GET WATER INSIDE CONTAINERS.

UNUSUAL FIRE & EXPLOSION HAZARDS

REACTS VIOLENTLY WITH WATER LIBERATING AND IGNITING HYDROGEN.

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5 - HEALTH HAZARD DATA

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

EFFECTS OF OVEREXPOSURE

CONTACT WITH SKIN OR EYES MAY CAUSE SEVERE IRRITATION OR BURNS.

TARGET ORGANS

NONE IDENTIFIED

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE

NONE IDENTIFIED

ROUTES OF ENTRY

NONE INDICATED

EMERGENCY AND FIRST AID PROCEDURES

IN CASE OF EYE CONTACT, IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR AT

LEAST 15 MINUTES.

IN CASE OF SKIN CONTACT, IMMEDIATELY REMOVE PARTICLES OF METAL. THEN

FLUSH SKIN WITH WATER FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED

CLOTHING AND SHOES. WASH CLOTHING BEFORE RE-USE.

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6 - REACTIVITY DATA

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MSDS for POTASSIUM Page 3

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STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR

CONDITIONS TO AVOID: AIR, MOISTURE

INCOMPATIBLES: WATER, CARBON MONOXIDE, ALCOHOLS,

STRONG OXIDIZING AGENTS, STRONG ACIDS

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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. DO

NOT USE WATER.

WITH CLEAN SHOVEL, PLACE MATERIAL INTO CLEAN, DRY METAL CONTAINER AND

COVER WITH DRY SAND, LIME OR SODA ASH. KEEP CONTAINER TIGHTLY COVERED.

DISPOSAL PROCEDURE

DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL

ENVIRONMENTAL REGULATIONS.

EPA HAZARDOUS WASTE NUMBER: D002, D003 (CORROSIVE, REACTIVE WASTE)

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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 AND FACE SHIELD, UNIFORM,

PROTECTIVE SUIT, PROPER GLOVES ARE RECOMMENDED.

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9 - STORAGE AND HANDLING PRECAUTIONS

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SAF-T-DATA(TM) STORAGE COLOR CODE: RED STRIPE (STORE SEPARATELY)

SPECIAL PRECAUTIONS

KEEP CONTAINER TIGHTLY CLOSED. STORE AWAY FROM WATER OR LOCATIONS WHERE

WATER MAY BE USED TO EXTINGUISH FIRE.

ISOLATE FROM INCOMPATIBLE MATERIALS.

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10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION

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DOMESTIC (D.O.T.)

PROPER SHIPPING NAME POTASSIUM METAL

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MSDS for POTASSIUM Page 4

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HAZARD CLASS FLAMMABLE SOLID

UN/NA UN2257

LABELS FLAMMABLE SOLID, DANGEROUS WHEN WET

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME POTASSIUM METAL

HAZARD CLASS 4.2

UN/NA UN2257

LABELS SPONTANEOUSLY COMBUSTIBLE