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CAS Number: 1333-82-0
93-2443
Chromium › Chromium(VI) oxide, 99.5%| CAS Number: | 1333-82-0 |
| MDL Number: | MFCD00010952 |
| Molecular Formula: | CrO3 |
| Molecular Weight: | 99.99 |
| Chemical Formula: | CrO3 |
| Color and Form: | red xtl. |
| Note: |
Stability: moisture sensitive
Safety: Hazardous
Physical Characteristics: melting point 196°C, density 2.70
| 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: | 8/02/2011 |
