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CAS Number: 10102-18-8
Product Catalog

93-3414
Sodium › Sodium selenite, 99%
CAS Number: 10102-18-8
MDL Number: MFCD00003489
Molecular Formula: Na2O3Se
Molecular Weight: 172.94
Chemical Formula: Na2SeO3
Color and Form: white pwdr.
Note:  

Safety: Hazardous

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SECTION 1: Product Identification
Chemical Name: Sodium selenite, 99%
Product Number: 93-3414
CAS Registry Number: 10102-18-8
Formula: Na2SeO3
EINECS Number: 233-267-9
Chemical Family: inorganic compound
Synonym: Disodium selenite
SECTION 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title compound 10102-18-8 100 0.2mg/m3 (as Se) 0.2mg/m3 (as Se)
SECTION 3: Hazards Identification
Emergency Overview: Poison. Ingestion may be fatal at low doses. Inhalation may cause shortness of breath, garlic odor, chills and headache. Chronic exposure may result in nervous disorders, liver and kidney disease.
Primary Routes of Exposure: Ingestion, inhalation, skin, eyes.
Eye Contact: May cause severe irritation, redness, pain.
Skin Contact: May causes severe irritation. Symptoms include redness, itching and pain.
Inhalation: Inhalation can cause garlic odor and shortness of breath, chills, headache, and delayed pulmonary edema.
Ingestion: Very toxic. May be fatal if swallowed. May cause gastrointestinal irritation, nausea and vomiting.
Acute Health Effects: May be irritating to skin, eyes and respiratory tract, and cause nausea, vomiting, bloody diarrhea, weakness, chills, headache, and delayed pulmonary edema.
Chronic Health Effects: Prolonged exposure to selenium compounds may cause dermatitis, diarrhea, liver damage, nervous disorders, lameness and loss of vitality. May cause heritable genetic damage. Reproductive effector.
NTP: No
IARC: No
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 immediately with water. Remove contaminated clothing 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, fire fighters should be equipped with a NIOSH approved positive pressure self- contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products: If involved in a fire, toxic oxidation or decomposition products may form.
Unusual Fire or Explosion Hazards: Non-flammable. 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 cool, dry place in a tightly sealed container.
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 with glove manufacturer to determine the proper type of glove.
Ventilation: 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: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: white powder
Molecular Weight: 172.94
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: none
Solubility in Water: soluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: No hazardous polymerization
Conditions to Avoid: none
Incompatibility: active metals and oxidizing agents
Decomposition Products: sodium oxide and selenium oxide
SECTION 11: Toxicological Information
RTECS Data: Oral (human-man); TDLo: 24 mg/kg. Oral (rat); LD50: 7 mg/kg. Intraperitoneal (rat); LDLo: 5476 ug/kg. Intravenous (rat); LD50: 3 mg/kg. Parenteral (rat); LD50: 6570 ug/kg. Oral (horse, donkey); LD50: 3300 ug/kg. Oral (rat); TDLo: 5397 mg/kg/6W-C. Oral (pig) TDLo 13mg/Kg. Oral (rat); TDLo: 384 mg/kg. Bacteria- Salmonella typhimurium; Mutation in microorganisms: 1 umol/plate. Human Fibroblast; Unscheduled DNA synthesis: 80 umol/L/30M. Human Fibroblast; DNA inhibition: 80 umol/L. Human HeLa cell; DNA inhibition: 10 umol/L. Human HeLa cell; Mutation test systems-not otherwise specified: 50 umol/L. Human Fibroblast; Mutation test systems-not otherwise specified: 80 umol/L.
Carcinogenic Effects: Insufficient data
Mutagenic Effects: Mutagen
Tetratogenic Effects: 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): Selenites or Selenates
Hazard Class (CFR): 6.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): I
UN ID Number (CFR): UN# 2630
Shipping Name (IATA): Selenites or Selenates
Hazard Class (IATA): 6.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): I
UN ID Number (IATA): UN# 2630
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not regulated under Sec. 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: 7/01/2004
Revision Date: 9/22/2011

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