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CAS Number: 1327-53-3
Product Catalog
33-3313
Arsenic › Arsenic(III) oxide, primary standard, 99.95+% (ACS)| CAS Number: | 1327-53-3 |
| MDL Number: | MFCD00003433 |
| Molecular Formula: | As2O3 |
| Molecular Weight: | 197.84 |
| Chemical Formula: | As2O3 |
| Color and Form: | white pwdr. |
| Note: |
Safety: Hazardous
Physical Characteristics: melting point 315°C, boiling point 465°C subl., density 3.738
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Arsenic (III) oxide, primary standard, 99.95+% (ACS) |
| Product Number: | 33-3313 |
| CAS Registry Number: | 1327-53-3 |
| Formula: | As2O3 |
| EINECS Number: | 215-481-4 |
| Chemical Family: | metal oxide |
| Synonym: | Arsenic oxide, Arsenious oxide, Diarsenic trioxide |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 1327-53-3 | 100 | 0.01mg/m3 (as As) | 0.01mg/m3 (as As) |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | Very toxic if swallowed. Extremely destructive to respiratory tract, eyes and skin. May cause cancer and heritable genetic damage. May cause harm to the unborn child. |
| Primary Routes of Exposure: | Ingestion, inhalation, skin, eyes. |
| Eye Contact: | Causes burns to the eyes. |
| Skin Contact: | Causes burns to the skin, ulceration, spotty pigmentation, dermatitis, and skin cancer. |
| Inhalation: | Corrosive to the nose, and respiratory tract. May induce perforation of the nasal septum and cause arsenic poisoning. |
| Ingestion: | Very toxic if swallowed. Ingestion may lead to nausea, vomiting, bloody diarrhea, weakness, low blood pressure, shock, coma, and death. |
| Acute Health Effects: | Corrosive to skin, eyes and respiratory tract. Very toxic. Causes garlic breath odor, nausea, vomiting, bloody diarrhea, weakness, shock and coma. |
| Chronic Health Effects: | Prolonged exposure to arsenic compounds may cause loss of appetite, dermatitis, diarrhea, kidney and liver damage, nervous disorders, and cancer of the skin, lungs, and liver. See RTECS for more information. |
| NTP: | yes |
| IARC: | Yes |
| OSHA: | Yes |
| 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: | None. Material is non-flammable. |
| Special Fire Fighting Procedures: | No special fire-fighting procedures. The material is non-flammable. |
| Hazardous Combustion and Decomposion Products: | No hazardous combustion or decomposition products. |
| Unusual Fire or Explosion Hazards: | If involved in a fire this material may emit fumes containing toxic arsenic compounds |
| SECTION 6: Accidental Release Measures | |
|---|---|
| Spill and Leak Procedures: | Small spills can be mixed with vermiculite or sodium carbonate and swept up. |
| SECTION 7: Handling and Storage | |
|---|---|
| Handling and Storage: | No special storage conditions. |
| 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. Consult glove manufacturer to determine the proper type of glove. |
| 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: | white pwdr. |
| Molecular Weight: | 197.84 |
| Melting Point: | 315 |
| Boiling Point: | 465°C subl. |
| Vapor Pressure: | no data |
| Specific Gravity: | 3.738 |
| Odor: | none |
| Solubility in Water: | 3.7g/100cc (20°C) |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | air and moisture stable |
| Hazardous Polymerization: | no hazardous polymerization |
| Conditions to Avoid: | none |
| Incompatibility: | none |
| Decomposition Products: | none |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Oral (Human-man); LDLo: 29 mg/kg. Oral (Human-man); LDLo: 286/mg/kg. Oral (Human-man); TDLo: 14857 ug/kg. Oral (Human); LDLo: 1429 ug/kg. Oral (Human-man); LDLo: 2857 mg/kg. Oral (rat); LD50: 14600 ug/kg. Intraperitoneal (rat); LD50: 871 mg/kg. Subcutaneous (rat); LDLo:8 mg/kg. Oral (mouse); LD50: 31500 ug/kg. Subcutaneous (mouse); LD50: 9800 ug/kg. Intravenous (mouse); LD50: 10700 ug/kg. Oral (dog); LDLo: 10 mg/kg. Intravenous (rabbit); LDLo: 10560 ug/kg. Oral (rat); TDLo: 900 mg/kg. Oral (rat); TDLo: 350 ug/kg/30D-I. Inhalation (rat); TCLo: 31 ug/m3/24H/22W-C. Inhalation (rat); TCLo: 500 ug/m3/24H/33D-C. |
| Carcinogenic Effects: | tumorigen |
| Mutagenic Effects: | mutagen |
| Tetratogenic Effects: | reproductive effector |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | Very toxic to aquatic organisms. May cause long-term adverse effects in the environment. |
| SECTION 13: Disposal Considerations | |
|---|---|
| Disposal: | Dispose of according to local, state and federal regulations. |
| SECTION 14: Transportation | |
|---|---|
| Shipping Name (CFR): | Arsenic trioxide |
| Hazard Class (CFR): | 6.1 |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | II |
| UN ID Number (CFR): | UN# 1561 |
| Shipping Name (IATA): | Arsenic trioxide |
| Hazard Class (IATA): | 6.1 |
| Additional Hazard Class (IATA): | NA |
| Packaging Group (IATA): | II |
| UN ID Number (IATA): | UN# 1561 |
| SECTION 15: Regulatory Information | |
|---|---|
| TSCA: | Listed in the TSCA inventory |
| SARA (Title 313): | Title compound reportable under SARA 313. |
| 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: | 12/06/2001 |
| Revision Date: | 8/02/2011 |
