| 中文名 | 亚硒酸钾 |
|---|---|
| 英文名 | dipotassium,selenite |
| 中文别名 | 亚晒酸钾 |
| 英文别名 |
dipotassium ion selenit
Potassium selenite Dipotassium selenite EINECS 233-909-8 MFCD00049663 Selenious acid,dipotassium salt |
| 熔点 | 875ºC |
|---|---|
| 分子式 | K2O3Se |
| 分子量 | 205.15500 |
| 精确质量 | 205.82900 |
| PSA | 63.19000 |
| 储存条件 | 密封于阴凉干燥处。 |
| 稳定性 | 遵照规格使用和储存则不会分解。 极易潮解，易溶于水。 |
| 分子结构 | 1、摩尔折射率：无可用 2、 摩尔体积（cm3/mol）： 无可用 3、 等张比容（90.2K）：无可用 4、 表面张力（dyne/cm）：无可用 |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:无 2.氢键供体数量:0 3.氢键受体数量:3 4.可旋转化学键数量:0 5.互变异构体数量:无 6.拓扑分子极性表面积63.2 7.重原子数量:6 8.表面电荷:0 9.复杂度:18.8 10.同位素原子数量:0 11.确定原子立构中心数量:0 12.不确定原子立构中心数量:0 13.确定化学键立构中心数量:0 14.不确定化学键立构中心数量:0 15.共价键单元数量:3 |
| 更多 | 1. 性状：白色晶体状粉末。 2. 密度（g/mL,25/4℃）： 2.851 3. 相对蒸汽密度（g/mL,空气=1）：无可用 4. 熔点（ºC）：875 5. 沸点（ºC,常压）：无可用 6. 沸点（ºC,5.2kPa）： 无可用 7. 折射率： 无可用 8. 闪点（ºC）： 无可用 9. 比旋光度（º）：无可用 10. 自燃点或引燃温度（ºC）：无可用 11. 蒸气压（kPa,25ºC）：无可用 12. 饱和蒸气压（kPa,60ºC）：无可用 13. 燃烧热（KJ/mol）：无可用 14. 临界温度（ºC）：无可用 15. 临界压力（KPa）：无可用 16. 油水（辛醇/水）分配系数的对数值：无可用 17. 爆炸上限（%,V/V）：无可用 18. 爆炸下限（%,V/V）： 无可用 19. 溶解性：可溶于水。 |
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Section 1: Product Identification Chemical Name:Potassium selenite 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 IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound10431-47-7100%0.2mg/m3 (as Se)0.2mg/m3 (as Se) Section 3: Hazards Identification Poison. Ingestion may be fatal at low doses. Inhalation may cause shortness of breath, garlic odor, chills and Emergency Overview: 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 can cause garlic odor and shortness of breath, chills, headache, and delayed pulmonary edema. Inhalation: Toxic by inhalation. Ingestion:Toxic. May be fatal if swallowed. May cause gastrointestinal irritation, nausea and vomiting. May be irritating to skin, eyes and respiratory tract, and cause nausea, vomiting, bloody diarrhea, weakness, Acute Health Affects: chills, headache, and delayed pulmonary edema. Prolonged exposure to selenium compounds may cause dermatitis, diarrhea, liver damage, nervous disorders, Chronic Health Affects: lameness and loss of vitality. NTP:No IARC:No OSHA:No SECTION 4: First Aid Measures Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need Eye Exposure: assistance in keeping their eye lids open. Get immediate medical attention. Wash the affected area immediately with water. Remove contaminated clothing if necessary. Seek medical Skin Exposure: assistance if irritation persists. Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty Inhalation: in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance. Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce Ingestion: 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 If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure Special Fire Fighting Procedures: self- contained breathing apparatus and full protective clothing. Hazardous Combustion andIf involved in a fire, toxic oxidation or decomposition products may form. Decomposion Products: 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. If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:Handle the material in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:white powder Molecular Weight:205.16 Melting Point:875° dec. 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 SECTION 16 - ADDITIONAL INFORMATION N/A |
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生态学数据: 该物质对环境可能有危害，对水体应给予特别注意。
CHEMICAL IDENTIFICATION
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| 危害码 (欧洲) | T: Toxic; |
|---|---|
| 风险声明 (欧洲) | 23/25-33-50/53-36/37/38-23/24/25 |
| 安全声明 (欧洲) | S22;S26;S28;S45;S36/S37/S39 |
| 危险品运输编码 | UN 2630 |
| RTECS号 | VS7200000 |
| 包装等级 | I |
| 危险类别 | 6.1 |
