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CAS Number: 1303-36-2
93-3305
Arsenic › Arsenic(III) selenide (99.999%-As) PURATREM| CAS Number: | 1303-36-2 |
| MDL Number: | MFCD00014166 |
| Molecular Formula: | As2Se3 |
| Molecular Weight: | 386.72 |
| Chemical Formula: | As2Se3 |
| Color and Form: | black xtl. |
| Note: |
Physical Characteristics: melting point ~360°C, density 4.75
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Arsenic (III) selenide (99.999%-As) PURATREM |
| Product Number: | 93-3305 |
| CAS Registry Number: | 1303-36-2 |
| Formula: | As2Se3 |
| EINECS Number: | 215-119-5 |
| Chemical Family: | metal chalcogenides |
| Synonym: | Diarsenic triselenide |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 1303-36-2 | 100 | 0.01mg/m3 (as As) | 0.01mg/m3 (as As) |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | Acute arsenic toxicity includes nausea, dizziness and coma. Acute selenium toxicity can cause shortness of breath, garlic odor, chills and headache. May cause cancer. |
| Primary Routes of Exposure: | Ingestion, inhalation |
| Eye Contact: | May cause mild irritation of the eyes. |
| Skin Contact: | May cause irritation of the skin, ulceration, spotty pigmentation, dermatitis and skin cancer. |
| Inhalation: | May be severely irritating to the nose and respiratory tract. May induce perforation of the nasal septum and cause arsenic poisoning |
| Ingestion: | Ingestion may lead to nausea, vomiting, bloody diarrhea, weakness, low blood pressure, shock, coma and death. |
| Acute Health Effects: | May be irritating to skin, eyes and respiratory tract, and cause garlic 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 and nervous disorders. May cause cancer. |
| 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: | no data |
| Autoignition Temperature: | no data |
| Explosion Limits: | no data |
| Extinguishing Medium: | carbon dioxide or dry powder |
| Special Fire Fighting Procedures: | If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure self-contained breathing apparatus and full protective clothing. |
| Hazardous Combustion and Decomposion Products: | If involved in a fire this material may emit toxic fumes of arsenous oxide and hydrogen selenide. |
| Unusual Fire or Explosion Hazards: | No unusual fire or explosion hazard. |
| 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: | Store in a tightly sealed container. When handling, avoid forming airborne dust. Use good housekeeping practices to avoid contamination of work area. |
| 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 appropriate chemical resistant gloves and protective clothing. |
| 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 Respiratory Protection Program to be in compliance with 29 CFR 1910.134. |
| Additional Protection: | Contaminated clothing should be managed in a way to prevent secondary exposure to toxic dust. |
| SECTION 9: Physical and Chemical Properties | |
|---|---|
| Color and Form: | black xtl. |
| Molecular Weight: | 386.72 |
| Melting Point: | ~360°C |
| Boiling Point: | no data |
| Vapor Pressure: | no data |
| Specific Gravity: | 4.75 |
| Odor: | none |
| Solubility in Water: | insoluble |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | air and moisture stable |
| Hazardous Polymerization: | no hazardous polymerization. |
| Conditions to Avoid: | none |
| Incompatibility: | oxidizing agents and halogens |
| Decomposition Products: | arsenic and selenium oxide |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Oral (rat); LD50: >5gm/kg |
| Carcinogenic Effects: | carcinogen (as arsenic) |
| Mutagenic Effects: | no data |
| Tetratogenic Effects: | no data |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | Avoid release to 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): | Non-hazardous |
| Hazard Class (CFR): | NA |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | NA |
| UN ID Number (CFR): | NA |
| Shipping Name (IATA): | Non-hazardous |
| Hazard Class (IATA): | NA |
| Additional Hazard Class (IATA): | NA |
| Packaging Group (IATA): | NA |
| UN ID Number (IATA): | NA |
| SECTION 15: Regulatory Information | |
|---|---|
| TSCA: | Listed in the TSCA inventory |
| SARA (Title 313): | See category codes N020 and N725 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: | 6/17/2003 |
| Revision Date: | 8/17/2011 |
