ELECTRONIC SPACE PRODUCTS INTERNATIONAL
1050 Benson Way, Ashland, OR 97520
Toll Free (800) 638-2581 * Fax (541) 488-8313
E-Mail: sales@espimetals.com
MATERIAL SAFETY DATA SHEET
I PRODUCT IDENTIFICATION
Trade Name: Arsenic Sulfide Formula: As2S3
Chemical Family: Metal Sulfide CAS Number: 1303-33-9
II HAZARDOUS INGREDIENTS
Hazardous Component % OSHA/PEL ACGIH/TLV
Arsenic Sulfide 0-100 0.01 mg(As)/m3 0.01 mg(As)/m3
Reportable Chemical SARA Title III: Yes
Health Hazard Rating: Health: 4 Flammability: 0 Reactivity: 2 Personal Protection: x
III PHYSICAL DATA
Boiling Point: 707 oC Melting Point: 300 oC
Vapor Pressure: No Data Specific gravity: 3.43 g/cc
Solubility in H2O: Very slightly soluble, reacts Vapor Density: N/A
Appearance and Odor: Yellow or red powder or crystal, rotten egg odor. % Volatile: N/A
IV FIRE AND EXPLOSION HAZARDS DATA
Flash Point: N/A Autoignition Temperature: N/E
Explosion Limits: Lower: N/E Upper: N/E
Extinguishing Media: Use dry chemical, CO2, DO NOT USE WATER!
Special Firefighting Procedures: Firefighters must wear a full face, self-contained breathing apparatus and full protective clothing to prevent contact with skin and eyes.
Unusual Fire and Explosion Hazards: Explodes on contact with H2O2, (KNO3 + S). May explode on contact with oxidizing materials. When heated to decomposition emits highly toxic fumes of SO2, H2S and arsenic. Reacts with water or steam to produce toxic, flammable and explosive vapors of H2S.
V HEALTH HAZARD INFORMATION
Effects of Exposure:
To the best of our knowledge the chemical, physical and toxicological properties of arsenic sulfide have not been thoroughly investigated and recorded.
Acute arsenic poisoning (from ingestion) results in marked irritation of the stomach and intestines with nausea, vomiting and diarrhea. In severe cases the vomitus and stools are bloody and the patient goes into collapse and shock with weak, rapid pulse, cold sweats, coma and death. Chronic arsenic poisoning (from ingestion or inhalation) may disturb the digestive system with symptoms of loss of appetite, cramps, nausea, constipation or diarrhea.
Sulfides show variable toxicity. The alkaline sulfides are similar in action to alkalies. They cause irritation of the skin and are corrosive by ingestion. The heavy metal sulfides are generally insoluble and show little toxic action except through the liberation of hydrogen sulfide. Hydrogen sulfide, if generated, is toxic, a severe irritant and flammable. Effects include conjunctivitis, headache, nausea, dizziness, coughing, pulmonary edema and possibly death.
Acute Effects:
Inhalation: H2S is highly irritating to the respiratory tract and may cause pulmonary edema. Exposure to high concentrations affects central nervous system and may be fatal. Arsenic compounds can cause lung cancer. May be corrosive due to evolutions of H2S on contact with moisture.
Ingestion: May cause vomiting, diarrhea and nausea.
Skin: Arsenic compounds can cause itching, pigmentation and cancer of the skin. May be corrosive due to evolution of H2S contact with moisture.
Eye: H2S is highly irritating to eyes and can cause conjunctivitis.
Primary Routes of Entry: Inhalation and ingestion
Medical Conditions Possibly Aggravated: Respiratory disorders
Carcinogenicity: Arsenic: NTP: Yes IARC Monographs: Yes OSHA Regulated: Yes
EMERGENCY AND FIRST AID PROCEDURES:
INHALATION: Remove from exposure, keep warm and quiet, give oxygen if breathing is difficult. Seek immediate medical attention.
INGESTION: Give 1-2 cups of milk or water, DO NOT Induce vomiting. Immediately call a physician.
SKIN: Brush off skin and wash area with soap and water. Seek medical attention.
EYES: Flush eyes with lukewarm water for 15 minutes and seek medical attention.
VI REACTIVITY DATA
Stability: Stable
Conditions to avoid: Heat, moisture, incompatible materials.
Incompatibility (Material to Avoid): Water, acid or acid fumes, oxidizing materials, H2O2, (KNO3 + S).
Hazardous Decomposition Products: H2S, As2O3, As
Hazardous Polymerization: Will not occur
VII SPILL OR LEAK PROCEDURES
Steps to be Taken in Case Material is Released or Spilled: Wear a self contained breathing apparatus and full protective clothing. Isolate the area where the spill occurred, insure proper ventilation is available and that water/moisture are kept out of the area. Vacuum up the spill using a high efficiency unit and place in a container for proper disposal. Take care not to raise dust.
Waste Disposal Method: Dispose of in accordance with applicable Federal, State, and Local regulations.
VIII SPECIAL PROTECTION INFORMATION
Respiratory Protection: NIOSH approved dust-mist-fume respirator
Ventilation: Use local exhaust to maintain below TLV for As2S3. Keep under dry atmosphere. Mechanical exhaust is not recommended.
Protective Gloves: Neoprene
Eye Protection: Safety Glasses
Other Clothing and Equipment: Wear protective clothing to prevent contamination of skin and clothes.
IX SPECIAL PRECAUTIONS
Other Handling and Storage Conditions: Store in tightly closed containers, in a cool, dry area. Store under dry atmosphere. Wash hands and face thoroughly after handling and before meals.
Work Practices: Implement engineering and work practice controls to reduce and maintain concentration of exposure at low levels. Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating and smoking. Do not blow dust off clothing or skin with compressed air. Maintain eyewash capable of sustained flushing, safety drench shower and facilities for washing.
Transportation Requirements:
Packing Group: III
UN Number: 1557
Hazard Class: 6.1
The above information is believed to be correct, but does not purport to be all inclusive and shall be used only as a guide. ESPI shall not be held liable for any damage resulting from handling or from contact with the above product.
Issued by: S. Dierks
Date: August 2005