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定量分析中分离溴化物和氯化物
| 中文名 | 二水碲酸 |
|---|---|
| 英文名 | telluric acid |
| 中文别名 | 碲酸二水 |
| 英文别名 |
Telluric acid dihydrate
hydrogen tellurate EINECS 232-267-6 TELLURATE HYDROGEN MFCD00011609 Telluric acid (-Te) Telluricacidwhitepowder |
| 密度 | 3,071 g/cm3 |
|---|---|
| 沸点 | 160°C |
| 熔点 | 136°C |
| 分子式 | H6O6Te |
| 分子量 | 229.64400 |
| 精确质量 | 231.92300 |
| PSA | 93.06000 |
| 储存条件 | 常温密闭，阴凉通风干燥 |
| 稳定性 | 常温常压下稳定 避免的物料 酸 |
| 水溶解性 | H2O: 0.1 g/mL, clear, colorless |
| 分子结构 | 1、摩尔折射率：无可用的 2、摩尔体积（cm3/mol）：无可用的 3、等张比容（90.2K）：无可用的 4、表面张力（dyne/cm）：无可用的 5、介电常数：无可用的 6、极化率（10-24cm3）：无可用的 7、单一同位素质量：231.922661 Da 8、标称质量：232 Da 9、平均质量：229.644 Da |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:无 2.氢键供体数量:2 3.氢键受体数量:4 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74.6 7.重原子数量:5 8.表面电荷:0 9.复杂度:81.3 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:1 |
| 更多 | 1. 性状：白色晶体 2. 密度（g/mL,25/4℃）：3.071 3. 相对蒸汽密度（g/mL,空气=1）：未确定 4. 熔点（ºC）：136 5. 沸点（ºC,常压）：160 6. 沸点（ºC,5.2kPa）：未确定 7. 折射率：未确定 8. 闪点（ºC）：未确定 9. 比旋光度（º）：未确定 10. 自燃点或引燃温度（ºC）：不适用的 11. 蒸气压（kPa,25ºC）：未确定 12. 饱和蒸气压（kPa,60ºC）：未确定 13. 燃烧热（KJ/mol）：未确定 14. 临界温度（ºC）：未确定 15. 临界压力（KPa）：未确定 16. 油水（辛醇/水）分配系数的对数值：未确定 17. 爆炸上限（%,V/V）：未确定 18. 爆炸下限（%,V/V）：未确定 19. 溶解性：可溶解的 |
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Section 1: Product Identification Chemical Name:Telluric acid (99.5%-Te) CAS Registry Number:13451-14-4 Formula:H2TeO4.2H2O EINECS Number:none Chemical Family:chalcogen oxide Synonym:Orthotelluric acid, Telluric(VI) acid, Tellurium hydroxide
Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound13451-14-4100%.1mg(Te)/m3.1mg(Te)/m3 Section 3: Hazards Identification Emergency Overview:Harmful by inhalation and if swallowed. irritating to skin, eyes and respiratory tract. Primary Routes of Exposure:Ingestion, inhalation, skin, eyes. Eye Contact:Causes mild to moderate irritation of the eyes. Skin Contact:Causes mild irritation of the skin. Inhalation:Harmful by inhalation. irritating to skin, eyes and respiratory tract. Ingestion:Harmful if swallowed. Acute Health Affects:harmful by inhalation and if swallowed. irritating to skin, eyes and respiratory tract. Chronic Health Affects:No information available on long-term chronic effects. 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 with water. Remove contaminated clothes if necessary. Seek medical assistance if Skin Exposure: irritation persists. Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in Inhalation: 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:not applicable Autoignition Temperature:not applicable Explosion Limits:not applicable Extinguishing Medium:none required If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure Special Fire Fighting Procedures: self-contained breathing apparatus. Hazardous Combustion andIf involved in a fire this material may produce toxic fumes of tellurium oxide. Decomposion Products: 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 Store in a tightly sealed container. When handling, avoid forming airborne dust. Use good housekeeping Handling and Storage: 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:To minimize exposure 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:To minimize exposure 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:193.61(229.64) Melting Point:136° Boiling Point:160°C dec. Vapor Pressure:no data Specific Gravity:3.071 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:strong bases Decomposition Products:tellurium oxide SECTION 11: Toxicological Information RTECS Data:No information available in the RTECS files. Carcinogenic Effects:no data Mutagenic Effects:no 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):Toxic Solid, Inorganic, N.O.S. Hazard Class (CFR):6.1 Additional Hazard Class (CFR):NA Packaging Group (CFR):III UN ID Number (CFR):UN #3288 Shipping Name (IATA):Toxic Solid, Inorganic, N.O.S. Hazard Class (IATA):6.1 Additional Hazard Class (IATA):NA Packaging Group (IATA):III UN ID Number (IATA):UN #3288 SECTION 15: Regulatory Information TSCA:Not listed in the TSCA inventory. SARA (Title 313):Title compound not listed Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A |
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毒理学数据: 1、急性毒性：小鼠口经LD50：56mg/kg；主要的刺激性影响： 在皮肤上面：在皮肤和粘膜上造成腐蚀性影响，刺激皮肤和粘膜； 在眼睛上面：强烈的腐蚀性影响，刺激的影响；没有已知的敏化影响。 生态学数据: 通常对水体是稍微有害的，不要将未稀释或大量产品接触地下水，水道或污水系统，未经政府许可勿将材料排入周围环境。
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| 危害码 (欧洲) | Xn: Harmful; |
|---|---|
| 风险声明 (欧洲) | 20 |
| 安全声明 (欧洲) | S22-S36/37/39-S38 |
| 危险品运输编码 | UN 3284 6.1/PG 3 |
| WGK德国 | 3 |
| RTECS号 | WY2350000 |
| 包装等级 | II |
| 危险类别 | 8 |