Product Catalog

93-2443

Chromium › Chromium(VI) oxide, 99.5%

Stability: moisture sensitive

Safety: Hazardous

Physical Characteristics: melting point 196°C, density 2.70

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SECTION 1: Product Identification
Chemical Name:	Chromium (VI) oxide, 99.5%
Product Number:	93-2443
CAS Registry Number:	1333-82-0
Formula:	CrO3
EINECS Number:	215-607-8
Chemical Family:	metal oxide
Synonym:	Chromic anhydride, Chromium trioxide, chromia

SECTION 2: Composition and Information on Ingredients
Ingredient	CAS Number	Percent	ACGIH (TWA)	OSHA (PEL)
Title Compound	1333-82-0	100	0.05mg/m3	0.1mg/10m3

SECTION 3: Hazards Identification
Emergency Overview:	Toxic by inhalation, in contact with skin and if swallowed. Corrosive to skin, eyes, mucous membrane of nose and mouth. May cause cancer by inhalation and heritable genetic damage..
Primary Routes of Exposure:	Ingestion, inhalation, skin
Eye Contact:	Causes severe burning of the eyes
Skin Contact:	Causes severe burns of the skin. Toxic through skin contact.
Inhalation:	Toxic through inhalation. Causes inflammation and ulceration of the respiratory tract.
Ingestion:	Toxic through ingestion. Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, shock, and convulsions.
Acute Health Effects:	Toxic by inhalation, in contact with skin and if swallowed. Corrosive to skin, eyes, and respiratory system and when ingested
Chronic Health Effects:	Cancer hazard. May cause cancer through inhalation. May cause heritable genetic damage. May cause dermatitis, ulceration of the respiratory tract, acute hepatitis, kidney damage, and conjunctivitis.
NTP:	yes
IARC:	Yes
OSHA:	No

SECTION 4: First Aid Measures
Eye Exposure:	Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure:	Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation:	Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Ingestion:	Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point:	not applicable
Autoignition Temperature:	none
Explosion Limits:	none
Extinguishing Medium:	material is non-flammable
Special Fire Fighting Procedures:	The dust is highly toxic and may support combustion of combustible dusts. Use water (minimum amt) to avoid hazards, but not to introduce toxic soluble hexavalent chromium to groundwater.
Hazardous Combustion and Decomposion Products:	none
Unusual Fire or Explosion Hazards:	The product can act as an oxidizer towards combustibles.

SECTION 6: Accidental Release Measures
Spill and Leak Procedures:	Small spills can be mixed with vermiculite or sodium carbonate and swept up. Do not mix with combustibles.

SECTION 7: Handling and Storage
Handling and Storage:	Store in a tightly sealed container in a cool dry place.

SECTION 8: Exposure Controls and Personal Protection
Eye Protection:	Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:	Wear protective clothing and gloves.
Ventilation:	Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Respirator:	If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Additional Protection:	No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:	red xtl.
Molecular Weight:	99.99
Melting Point:	196°C
Boiling Point:	no data
Vapor Pressure:	no data
Specific Gravity:	2.7
Odor:	none
Solubility in Water:	very soluble

SECTION 10: Stability and Reactivity
Stability:	moisture sensitive solid
Hazardous Polymerization:	no hazardous polymerization
Conditions to Avoid:	Do not mix or heat with combustible materials.
Incompatibility:	reducing agents, organic matter, phosphorus, sulfur, active metals and halogens
Decomposition Products:	none

SECTION 11: Toxicological Information
RTECS Data:	Inhalation (human); TCLo:110 ug/m3. Oral (rat); LD50:80 mg/kg. Administration onto the skin (rat); LDLo:55 mg/kg. Intraperitoneal (rat); LD50:58400 ug/kg. Intravenous (rat); LD50:9260 ug/kg. Oral (mouse); LD50:127 mg/kg. Intraperitoneal (mouse); LD50:14 mg/kg. Subcutaneous (mouse); LDLo:20 mg/kg. Intravenous (mouse); LD50:17100 ug/kg. Inhalation (rat); TCLo:29 ug/m3/20H/90D-I. Inhalation (human); TCLo:110 ug/m3/3Y-C. Inhalation (mouse); TCLo:3480 ug/m3/2H/1Y-I. Intravenous (hamster); TDLo:5 mg/kg. Human Fibroblast; Morphological transformation:100 nmol/L. Human Leukocyte; Cytogenetic analysis:2 mg/L.
Carcinogenic Effects:	Tumorigen
Mutagenic Effects:	Mutagen
Tetratogenic Effects:	Human reproductive effector

SECTION 12: Ecological Information
Ecological Information:	Avoid release into the environment. Very toxic to aquatic organisms. May cause long-term adverse effects in the aquatic environment.

SECTION 13: Disposal Considerations
Disposal:	Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):	Chromium trioxide, anhydrous
Hazard Class (CFR):	5.1
Additional Hazard Class (CFR):	8
Packaging Group (CFR):	II
UN ID Number (CFR):	UN# 1463
Shipping Name (IATA):	Chromium trioxide, anhydrous
Hazard Class (IATA):	5.1
Additional Hazard Class (IATA):	8
Packaging Group (IATA):	II
UN ID Number (IATA):	UN# 1463

SECTION 15: Regulatory Information
TSCA:	Listed in the TSCA inventory.
SARA (Title 313):	Title compound: See Category Code N090 for reporting.
Second Ingredient:	none
Third Ingredient:	none

SECTION 16: Other Information
Disclaimer:	The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date:	2/26/2001
Revision Date:	3/24/2004