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制成重液，用以浮选矿物。生物碱的沉淀和测定。碱性苯胺燃料媒染剂。
| 中文名 | 硅钨酸,二十六水 |
|---|---|
| 英文名 | Silicotungstic Acid Hydrate |
| 中文别名 | 硅钨酸 |
| 英文别名 |
Silicotungstic acid
MFCD00150392 SILICOTUNGSTIC ACID HYDRATE |
| 密度 | 2.099 g/cm3 |
|---|---|
| 沸点 | 100ºC at 760 mmHg |
| 分子式 | H6O41SiW12 |
| 分子量 | 2896.19000 |
| 精确质量 | 2897.23000 |
| PSA | 610.59000 |
| 外观性状 | 浅黄色 晶体 |
| 储存条件 | 常温密闭，阴凉通风干燥处 |
| 稳定性 | 常温常压下稳定 避免光，明火，高温 |
| 水溶解性 | H2O: 0.1 g/mL, clear, colorless |
| 计算化学 | 1、 氢键供体数量：40 2、 氢键受体数量：40 3、 可旋转化学键数量：0 4、 拓扑分子极性表面积（TPSA）：40 5、 重原子数量：53 6、 表面电荷：0 7、 复杂度：0 8、 同位素原子数量：0 9、 确定原子立构中心数量： 0 10、 不确定原子立构中心数量：0 11、 确定化学键立构中心数量：0 12、 不确定化学键立构中心数量：0 13、 共价键单元数量：53 |
| 更多 | 1. 性状：白色或浅黄色的结晶。 2. 密度（g/mL, 25 ℃ ）：未确定 3. 相对蒸汽密度（g/mL,空气=1）：未确定 4. 熔点（ºC）：未确定 5. 沸点（ºC,常压）：未确定 6. 沸点（ºC，1mmHg）：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）：未确定 11. 蒸气压（20ºC）：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：溶于水、乙醇和乙醚。 |
Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Corrosive. Potential Health Effects Eye: Causes eye burns. Skin: Causes skin irritation. Causes skin burns. Ingestion: Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Causes gastrointestinal tract burns. Inhalation: Causes respiratory tract irritation. Chronic: Not available. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Skin: Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear. Notes to Physician: Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 12027-38-2: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Solid Color: white to pale yellow Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Very soluble in water Specific Gravity/Density: Not available. Molecular Formula: Not applicable. Molecular Weight: Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Oxidizer materials Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Will not occur. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 12027-38-2 unlisted. LD50/LC50: Not available. Carcinogenicity: Dodeca-tungstosilicic Acid - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling. Section 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: WGK (Water Danger/Protection) CAS# 12027-38-2: No information available. Canada CAS# 12027-38-2 is listed on Canada's DSL List. CAS# 12027-38-2 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 12027-38-2 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A |
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毒理学数据: 有刺激性 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) | Xi: Irritant; |
|---|---|
| 风险声明 (欧洲) | 36/37/38 |
| 安全声明 (欧洲) | 26-36 |
| WGK德国 | 3 |