Product ID:O-C-303,CHROMIUM TRIOXIDE,TECHNICAL
MSDS Date:01/01/1985
FSC:6810
NIIN:00-264-6517
MSDS Number: BDQMD

Emergency Phone: 800-441-7515

Info Phone: 800-441-7515

Cage: EO715

Telephone: 800-441-7515;800-441-9442

Cage: EO715

CHROMIUM (VI) OXIDE

CAS: 1333-82-0

RTECS: GB6650000

Fraction By Weight: 99.5%

OSHA PEL C, 0.1 MG/M3 (CRO3)

ACGIH TLV: 0.05 MG/M3(CR); 8990

Effects of Overexposure:VERY IRRITATING TO EYES & RESPIRATORY
TRACT.INGEST:SEVER GI SYMPTOMS; EYES & SKIN BURNS.

First Aid:SKIN:FLUSH W/WATER.CLOTHING CONTACTED W/SOLUTIONS OR DUST
SHOULD BE REMOVED PROMPTLY & WASHED BEFORE RENSE.EYES:IMMEDIATELY
FLUSH EYES W/PLENTY OF WATER FOR 15 MIN. CALL MD. INHAL:IRRIGATE
NASAL PASSA GES & MOUTH.

Extinguishing Media:H*2O,CO*2 OR DRY CHEM. FIRE FIGHTING AGENTS.
Fire Fighting Procedures:NONE
Unusual Fire/Explosion Hazard:CHROMIC ACID IS NOT COMBUSTIBLE,BUT MAY
IGNITE OXIDIZABLE SUBSTANCES.CONTAINERS MAY EXPOLDE WHEN HTD

Spill Release Procedures:SOLIDS SHOULD BE SHOVELED UP. AREA SHOULD BE
FLUSHED W/WATER.REMAINING TRACES SHOULD BE NEUTRALIZED W/SODA
ASHIDISSOLVED SOLIDS MAY THEN BE TREATED BY APPROPRIATE DISPOSAL
METHOD.

Handling and Storage Precautions:DO NOT STORE IN HUMID AIR.DO NOT STORE
IN CLOSED PROXIMITY TO EAZILY OXIDIZABLE MATERIALS(YELLOW
LABEL).AVOID CONTACT W/SKIN OR EYES.AVOID BREATH.MIST
Other Precautions:DO NOT TAKE INTERNALLY.STORE IN A COOL,DRY PLACE.

Respiratory Protection:DUST RESPIRATOR(U.S.BUREAU OF MINES 2175 MOKEL
1700 OR AMER.OPTICAL.
Ventilation:LOCAL EXHAUST & MECHANICAL VENTILATION IS RECOMMENDED
Protective Gloves:RUBBER OR PLAST
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:RUBBER SAFETY TOED SHOES.
Supplemental Safety and Health

HCC:D3
NRC/State Lic Num:NOT RELEVANT
Spec Gravity:2.7
Solubility in Water:APPRECIABLE
Appearance and Odor:DARK RED SOLID FLAKES,NO ODOR.
Percent Volatiles by Volume:0.0.

Stability Indicator/Materials to Avoid:YES
CHROMIC ACID IS A STRONG OXIDIZING AGENT. AVOID OILS,GREASES
Stability Condition to Avoid:CHROMIC ACID IS HYDROSCOPIC.DO NOT STORE
IN HUMID PLACES.
Hazardous Decomposition Products:NONE

Waste Disposal Methods:HEXAVALENT CHROMIUM IN SOLN MAY BE REDUCED TO
TRIVALENT CHROMIUM BY VARIETY OF REDUCING AGENTS SUCH AS SODIUM
BISULFITE,SODIUM SULFITE;THEN BE PRECIPITATED AS THE HYDROUS
CHROMIC OXIDE BY NEUTRALIZING TO A PH OF 7.5 W/SODA ASH,LIME OR
CAUSTI SODA.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.