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CAS Number: 10431-47-7
Product Catalog
93-1971
Potassium › Potassium selenite| CAS Number: | 10431-47-7 |
| MDL Number: | MFCD00049663 |
| Molecular Formula: | K2O3Se |
| Molecular Weight: | 205.16 |
| Chemical Formula: | K2SeO3 |
| Color and Form: | white pwdr. |
| Note: |
Stability: hygroscopic
Safety: Hazardous
Physical Characteristics: melting point 875°C dec.
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Potassium selenite |
| Product Number: | 93-1971 |
| CAS Registry Number: | 10431-47-7 |
| Formula: | K2SeO3 |
| EINECS Number: | 233-909-8 |
| Chemical Family: | inorganic compound |
| Synonym: | Dipotassium selenite |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title compound | 10431-47-7 | 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. Toxic by inhalation. |
| Ingestion: | 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. |
| 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: | Sweep up the solid and dispose of properly. |
| 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: | 205.16 |
| Melting Point: | 875°C |
| Boiling Point: | no data |
| Vapor Pressure: | no data |
| Specific Gravity: | no data |
| Odor: | none |
| Solubility in Water: | soluble |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | hygroscopic |
| Hazardous Polymerization: | no hazardous polymerization |
| Conditions to Avoid: | none |
| Incompatibility: | active metals and oxidizing agents |
| Decomposition Products: | potassium oxide and selenium oxide |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Status: EPA Genetox Program 1988: negative B subtilis rec. assay. |
| Carcinogenic Effects: | no data |
| Mutagenic Effects: | Negative data |
| Tetratogenic Effects: | no data |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | No information available |
| SECTION 13: Disposal Considerations | |
|---|---|
| Disposal: | Dispose of according to local, state and federal regulations. |
| SECTION 14: Transportation | |
|---|---|
| Shipping Name (CFR): | Selenates or Selenites |
| Hazard Class (CFR): | 6.1 |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | I |
| UN ID Number (CFR): | UN# 2630 |
| Shipping Name (IATA): | Selenates or Selenites |
| 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): | See Category Code 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: | 7/01/2004 |
| Revision Date: | 12/14/2011 |
