13862-78-7

• 常用中文名：四硫代钨酸铵
• 常用英文名：Disulfanyl(dithioxo)tungsten diammoniate
• CAS号：13862-78-7
• 分子式：H₈N₂S₄W
• 分子量：348.177
• 相关类别： 无机化工 无机盐 无机铵盐
• 发布时间：2018-09-22 20:16:18
• 更新时间：2024-01-02 15:59:54
• 下载msds

名称

• 中文名: 四硫代钨酸铵
• 英文名: ammonium tetrathiotungstate
• 中文别名: 硫代钨酸铵
• 英文别名: azane,bis(sulfanylidene)tungsten,sulfanide; Ammonium tetrathiotungstate; Disulfanyl(dithioxo)tungsten diammoniate; Tungsten, dimercaptodithioxo-, ammonium salt; MFCD00061410

物化性质

• 密度: 2.71 g/mL at 25 °C(lit.)
• 分子式: H₈N₂S₄W
• 分子量: 348.177
• 精确质量: 347.907928
• PSA: 148.26000
• LogP: 2.70520
• 储存条件:

  密闭于阴凉干燥环境中

• 稳定性:

  遵照规定使用和储存则不会分解。

• 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

  5、 极化率：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:4

  3.氢键受体数量:6

  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68.2

  7.重原子数量:7

  8.表面电荷:-2

  9.复杂度:19.1

  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:5

• 更多:

  1. 性状：无可用

  2. 密度（g/mL,25/4℃）：2.71

  3. 相对蒸汽密度（g/mL,空气=1）：无可用

  4. 熔点（ºC）：无可用

  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：无可用

MSDS

Section 1: Product Identification Chemical Name:Ammonium tetrathiotungstate (VI), 99% (99.9+%-W) CAS Registry Number:13862-78-7 Formula:(NH4)2WS4 EINECS Number:none Chemical Family:metal tungstate Synonym:Ammonium thiotungstate (VI) Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound13862-78-7100%1g/m3 (as W - soluble)no data Section 3: Hazards Identification Emergency Overview:Dust is irritating to eyes, skin and respiratory tract. May be harmful if swallowed. Primary Routes of Exposure:Ingestion, Inhalation of dust. Eye Contact:Irritating to eyes. May cause redness and pain. Skin Contact:Mildly irritating to skin. May cause itching and redness. Inhalation:Inhalation of dust can lead to irritation of the respiratory tract, causing coughing and sore throat. Ingestion:No information on the physiological effects of ingestion. Acute Health Affects: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 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:not applicable Autoignition Temperature:none Explosion Limits:none Extinguishing Medium:None. Material is non-combustible. 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, choking fumes of sulfur dioxide may form. Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards. SECTION 6: Accidental Release Measures Spill and Leak Procedures:Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up. SECTION 7: Handling and Storage Handling and Storage:Store the material in a tightly sealed container in a cool, dry place. 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 gloves and clothing. Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood. If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:yellow to orange xtl. Molecular Weight:348.18 Melting Point:no data Boiling Point:no data Vapor Pressure:not applicable Specific Gravity:no data Odor:rotten egg odor Solubility in Water:1g/15cc (turbid solution) SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:reaction with mineral acids Incompatibility:Strong oxidizing agents and mineral acids Decomposition Products:ammonia, nitrogen oxides, sulfur dioxide and tungsten compounds. 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):Non-hazardous Hazard Class (CFR):NA Additional Hazard Class (CFR):NA Packaging Group (CFR):NA UN ID Number (CFR):NA Shipping Name (IATA):Non-hazardous Hazard Class (IATA):NA Additional Hazard Class (IATA):NA Packaging Group (IATA):NA UN ID Number (IATA):NA 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

毒性和生态

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。

安全

• 符号: GHS07
• 信号词: Warning
• 危害声明: H315-H319-H335
• 警示性声明: P261-P305 + P351 + P338
• 个人防护装备: dust mask type N95 (US);Eyeshields;Gloves
• 危害码 (欧洲): Xi
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S26-S37/39
• 危险品运输编码: UN 3335
• WGK德国: 3

合成路线

10213-10-2 7783-06-4 ~82% 13862-78-7

文献：Drew, Michael G. B.; Hobson, Richard J.; Mumba, Peter P. E. M.; Rice, David A.; Turp, Neil Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1987 , p. 1163 - 1168

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