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MSDS for SODIUM CHROMATE Page 1

1 - PRODUCT IDENTIFICATION

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PRODUCT NAME: SODIUM CHROMATE

FORMULA: NA2CRO4 4H2O

FORMULA WT: 234.03

CAS NO.: 07775-11-3

NIOSH/RTECS NO.: GB2955000

COMMON SYNONYMS: CHROMATE OF SODA

PRODUCT CODES: 3640

EFFECTIVE: 09/10/86

REVISION #02

PRECAUTIONARY LABELLING

BAKER SAF-T-DATA(TM) SYSTEM

HEALTH - 4 EXTREME (CANCER CAUSING)

FLAMMABILITY - 0 NONE

REACTIVITY - 2 MODERATE

CONTACT - 2 MODERATE

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 OR INHALED

CAUSES IRRITATION - MAY CAUSE RASH OR EXTERNAL ULCERS.

CAUTION: CONTAINS CHROMIUM(VI),CANCER HAZARD

EXCEPTIONAL HEALTH HAZARD - READ MATERIAL SAFETY DATA SHEET

AVOID CONTACT WITH EYES, SKIN, 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.

SODIUM CHROMATE 90-100 7775-11-3

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3 - PHYSICAL DATA

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

MELTING POINT: N/A VAPOR DENSITY(AIR=1): N/A

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MSDS for SODIUM CHROMATE Page 2

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SPECIFIC GRAVITY: N/A EVAPORATION RATE: N/A

(H2O=1) (BUTYL ACETATE=1)

SOLUBILITY(H2O): COMPLETE (IN ALL PROPORTIONS) % VOLATILES BY VOLUME: 0

APPEARANCE & ODOR: YELLOW DELIQUESCENT 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 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.

TOXIC GASES PRODUCED

OXIDES

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5 - HEALTH HAZARD DATA

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THIS SUBSTANCE IS LISTED AS AN NTP HUMAN CARCINOGEN AND AND IARC HUMAN

CARCINOGEN (GROUP 1).

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

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

TOXICITY: LD50 (IPR-MOUSE)(MG/KG) - 32

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

EFFECTS OF OVEREXPOSURE

INHALATION AND INGESTION ARE HARMFUL AND MAY BE FATAL.

INHALATION OF DUST MAY CAUSE IRRITATION TO UPPER RESPIRATORY TRACT.

DUST MAY ULCERATE MUCOUS MEMBRANES.

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

CONTACT MAY CAUSE SKIN SENSITIZATION. SUBSTANCE IS READILY ABSORBED

THROUGH THE SKIN.

INGESTION MAY CAUSE NAUSEA, VOMITING, GASTROINTESTINAL IRRITATION, AND

BURNS TO MOUTH AND THROAT.

INGESTION MAY BE HARMFUL TO THE KIDNEYS, LIVER, AND GASTRO-INTESTINAL

TRACT.

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MSDS for SODIUM CHROMATE Page 3

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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, 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 WITH PLENTY OF WATER FOR AT

LEAST 15 MINUTES. FLUSH SKIN WITH WATER.

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6 - REACTIVITY DATA

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STABILITY: STABLE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR

CONDITIONS TO AVOID: NONE DOCUMENTED

INCOMPATIBLES: COMBUSTIBLE MATERIALS, STRONG REDUCING AGENTS

DECOMPOSITION PRODUCTS: OXIDES, CHROMIUM OXIDE FUMES

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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: RESPIRATORY PROTECTION REQUIRED IF AIRBORNE

CONCENTRATION EXCEEDS TLV. AT CONCENTRATIONS UP

TO 1 PPM, A HIGH-EFFICIENCY PARTICULATE

RESPIRATOR IS RECOMMENDED. ABOVE THIS LEVEL, A

SELF-CONTAINED BREATHING APPARATUS IS ADVISED.

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MSDS for SODIUM CHROMATE Page 4

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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.)

PROPER SHIPPING NAME SODIUM CHROMATE

HAZARD CLASS ORM-E

UN/NA NA9145

LABELS NONE

REPORTABLE QUANTITY 1000 LBS.

INTERNATIONAL (I.M.O.)

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