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MSDS for POTASSIUM CHROMATE Page 1

1 - PRODUCT IDENTIFICATION

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PRODUCT NAME: POTASSIUM CHROMATE

FORMULA: K2CRO4

FORMULA WT: 194.20

CAS NO.: 07789-00-6

NIOSH/RTECS NO.: GB2940000

COMMON SYNONYMS: CHROMIC ACID, DIPOTASSIUM SALT

PRODUCT CODES: 3058,3060

EFFECTIVE: 08/14/86

REVISION #02

PRECAUTIONARY LABELLING

BAKER SAF-T-DATA(TM) SYSTEM

HEALTH - 4 EXTREME (CANCER CAUSING)

FLAMMABILITY - 0 NONE

REACTIVITY - 2 MODERATE

CONTACT - 3 SEVERE (LIFE)

HAZARD RATINGS ARE 0 TO 4 (0 = NO HAZARD; 4 = EXTREME HAZARD).

LABORATORY PROTECTIVE EQUIPMENT

GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES

PRECAUTIONARY LABEL STATEMENTS

POISON DANGER

MAY BE FATAL IF SWALLOWED

HARMFUL IF INHALED OR ABSORBED THROUGH SKIN

CAUSES IRRITATION - MAY CAUSE RASH OR EXTERNAL ULCERS.

CAUTION: CONTAINS CHROMIUM(VI),CANCER HAZARD

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.

SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH)

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2 - HAZARDOUS COMPONENTS

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COMPONENT % CAS NO.

POTASSIUM CHROMATE 90-100 7789-00-6

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3 - PHYSICAL DATA

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

MELTING POINT: 975 C ( 1787 F) VAPOR DENSITY(AIR=1): 6.7

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MSDS for POTASSIUM CHROMATE Page 2

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SPECIFIC GRAVITY: 2.73 EVAPORATION RATE: N/A

(H2O=1) (BUTYL ACETATE=1)

SOLUBILITY(H2O): APPRECIABLE (MORE THAN 10 %) % VOLATILES BY VOLUME: N/A

APPEARANCE & ODOR: LEMON-YELLOW CRYSTALS.

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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

USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING FIRE.

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5 - HEALTH HAZARD DATA

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THRESHOLD LIMIT VALUE (TLV/TWA): 0.05 MG/M3 ( PPM)

PERMISSIBLE EXPOSURE LIMIT (PEL): 0.5 MG/M3 ( PPM)

CARCINOGENICITY: NTP: YES IARC: YES Z LIST: YES OSHA REG: YES

EFFECTS OF OVEREXPOSURE

CONTACT WITH SKIN OR EYES MAY CAUSE IRRITATION.

EXCESSIVE INHALATION OF DUST IS IRRITATING AND MAY BE SEVERELY DAMAGING

TO RESPIRATORY PASSAGES AND/OR LUNGS.

INGESTION MAY CAUSE GASTROINTESTINAL PAIN.

CHRONIC EFFECTS OF OVEREXPOSURE MAY INCLUDE KIDNEY AND/OR LIVER DAMAGE.

SKIN ABSORPTION MAY BE HARMFUL.

TARGET ORGANS

SKIN

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE

NONE IDENTIFIED

ROUTES OF ENTRY

INGESTION, SKIN CONTACT, EYE CONTACT

EMERGENCY AND FIRST AID PROCEDURES

CALL A PHYSICIAN.

IF SWALLOWED, IF CONSCIOUS, GIVE LARGE AMOUNTS OF WATER. INDUCE VOMITING.

IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL

RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.

IN CASE OF CONTACT, IMMEDIATELY FLUSH EYES OR SKIN WITH PLENTY OF WATER FOR

AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND SHOES.

WASH CLOTHING BEFORE RE-USE.

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MSDS for POTASSIUM CHROMATE Page 3

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6 - REACTIVITY DATA

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STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR

INCOMPATIBLES: COMBUSTIBLE MATERIALS, STRONG REDUCING AGENTS

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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.

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: D007 (EP TOXIC WASTE)

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8 - PROTECTIVE EQUIPMENT

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VENTILATION: USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET

TLV REQUIREMENTS.

RESPIRATORY PROTECTION: NONE REQUIRED WHERE ADEQUATE VENTILATION

CONDITIONS EXIST. IF AIRBORNE CONCENTRATION

EXCEEDS TLV, 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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SAF-T-DATA(TM) STORAGE COLOR CODE: BLUE (HEALTH)

SPECIAL PRECAUTIONS

KEEP CONTAINER TIGHTLY CLOSED. STORE IN SECURE POISON AREA.

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10 - TRANSPORTATION DATA AND ADDITIONAL INFORMATION

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DOMESTIC (D.O.T.)

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MSDS for POTASSIUM CHROMATE Page 4

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PROPER SHIPPING NAME POTASSIUM CHROMATE

HAZARD CLASS ORM-E

LABELS NONE

REPORTABLE QUANTITY 1000 LBS.

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME CHEMICALS, N.O.S. (NON-REGULATED)