CHROMIUM(VI) OXIDE, 99.9%
Synonym:
  Synonyms * Anhydride chromique (French) * Anidride cromica (Italian) * Chrome (trioxyde de) (French) * Chromia (CrO3) * Chromic anhydride * Chromium oxide (Cr4O12) * Chromium trioxide * Chromium(6+) trioxide * Chromium(VI) oxide * Chromsaeureanhydrid (German) * Chromtrioxid (German) * Chroomtrioxyde (Dutch) * Chroomzuuranhydride (Dutch) * Cromo(triossido di) (Italian) * Monochromium trioxide * Puratronic chromium trioxide
CAS Number : 1333-82-0
HAZARD (UN)
EXPOSURE CONTROLS/PERSONAL PROTECTION

O
T+
N
Oxidizing.
Very toxic.
Dangerous for the environment.
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
     May cause cancer.  May cause heritable genetic damage.  Explosive when mixed with combustible material.  Also toxic in contact with skin and if swallowed.  Also very toxic by inhalation.  Causes severe burns.  May cause sensitization by inhalation and skin contact.  Also toxic:  danger of serious damage to health by prolonged exposure through inhalation.  Possible risk of impaired fertility.  Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
     Carc.  Cat.2 Muta.  Cat.2 Repr.  Cat.3
ENGINEERING CONTROLS
     Use only in a chemical fume hood.  Safety shower and eye bath.
GENERAL HYGIENE MEASURES
     Wash thoroughly after handling.  Remove and wash contaminated clothing promptly.  Discard contaminated shoes.
PERSONAL PROTECTIVE EQUIPMENT
     Respiratory Protection:  Government approved respirator.
     Hand Protection:  Compatible chemical-resistant gloves.
     Eye Protection:  Chemical safety goggles.
HANDLING
     Directions for Safe Handling:  Do not breathe dust.  Do not get in eyes, on skin, on clothing.  Avoid prolonged or repeated exposure.
STORAGE
     Conditions of Storage:  Keep tightly closed.  Keep away from combustible materials, heat, sparks, and open flame.
SPECIAL REQUIREMENTS:
     Hygroscopic.  Heat sensitive.

FIRE FIGHTING MEASURES

FIRST-AID MEASURES
PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
     Evacuate area.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
     Wear self-contained breathing apparatus, rubber boots, and heavy rubber gloves.
METHODS FOR CLEANING UP
     Sweep up, place in a bag and hold for waste disposal.  Avoid raising dust.  Ventilate area and wash spill site after material pickup is complete.
EXTINGUISHING MEDIA
     Suitable:  Carbon dioxide, dry chemical powder, or appropriate foam.  Use water spray to cool fire-exposed containers.
SPECIAL RISKS
     Specific Hazard(s):  Emits toxic fumes under fire conditions.  Contact with other material may cause fire.  May accelerate combustion.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
     Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
AFTER INHALATION
     If inhaled, remove to fresh air.  If breathing becomes difficult, call a physician.
AFTER SKIN CONTACT
     In case of skin contact, flush with copious amounts of water for at least 15 minutes.  Remove contaminated clothing and shoes.  Call a physician.
AFTER EYE CONTACT
     In case of contact with eyes, flush with copious amounts of water for at least 15 minutes.  Assure adequate flushing by separating the eyelids with fingers.  Call a physician.
AFTER INGESTION
     If swallowed, wash out mouth with water provided person is conscious.  Call a physician.
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Reference: Sigma-Aldrich Pte Ltd #08-01 Citilink Warehouse Singapore 118529 Singapore, Catalog #232653

The information contained herein is based on data considered accurate.
However,no warranty is expressed or implied regarding the accuracy of these data or the results to be obtained from the use thereof.
Thailand Research Fund/Chulalongkorn University assume no responsibility for personal injury or property damage to users or third parties caused by the material.
Such users assume all risks associated with the use of the material.