78234-36-3

• 常用中文名：三(叔丁氧基)(2,2-二甲基丙二炔)钨(VI)
• 常用英文名：SCHROCK ALKYNE METATHESIS CATALYST
• CAS号：78234-36-3
• 分子式：C₁₇H₃₆O₃W
• 分子量：472.30600
• 发布时间：2019-01-01 13:56:05
• 更新时间：2024-01-09 11:04:49

名称

• 中文名: 三(叔丁氧基)(2,2-二甲基次丙基)钨(VI)
• 英文名: Tris(t-butoxy)(2,2-dimethylpropylidyne)tungsten(VI), Schrock Alkyne Metathesis Catalyst
• 中文别名: 三(叔丁氧基)(2,2-二甲基丙炔基)钨
• 英文别名: schrock alkyne metathesis catalyst

物化性质

• 分子式: C₁₇H₃₆O₃W
• 分子量: 472.30600
• 精确质量: 472.21700
• PSA: 27.69000
• LogP: 5.33840
• 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

• 更多:

  1. 性状：无可用

  2. 密度（g/mL,25/4℃）：无可用

  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:Tris(t-butoxy)(2,2-dimethylpropylidyne)tungsten (VI), 98% Schrock Alkyne Metathesis Catalyst CAS Registry Number:78234-36-3 Formula:(C4H9O)3W?CC(CH3)3 EINECS Number:none Chemical Family:Metal akylidyne Synonym:Schrock Alkyne Metathesis Catalyst; Tris(tert-butanolato)(2,2-dimethylpropylidyne)tungsten Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound78234-36-3100%5mg/m3 (as W)no data Section 3: Hazards Identification Emergency Overview:Irritating to skin, eyes and respiratory tract. Primary Routes of Exposure:Inhalation, skin, eyes Eye Contact:Causes slight to mild irritation of the eyes. Skin Contact:Causes slight to mild irritation of the skin. Inhalation:Causes irritation to the nose, mucous membranes and respiratory tract. Ingestion:No specific information is available 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 soap and water. Remove contaminated clothes 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, dry powder or foam If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained Special Fire Fighting Procedures: breathing apparatus and full protective clothing. Hazardous Combustion andIf involved in a fire material may release toxic and irritating organic fumes. 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 vermiculite or sodium carbonate and swept up. SECTION 7: Handling and Storage Handling and Storage:Material is air and moisture sensitive. Store cold and handle under an inert atmosphere of nitrogen or argon. 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: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 Respiratory Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation: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:off-white to tan powder Molecular Weight:472.31 Melting Point:no data Boiling Point:no data Vapor Pressure:0.000001mm Hg (50°) Specific Gravity:no data Odor:none Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:air sensitive, moisture sensitive (store cold) Hazardous Polymerization:No hazardous polymerization Conditions to Avoid:air and moisture Strong oxidizing agents, alcohols, water, carboxylic and mineral acids, peroxides, chlorinated solvents, Incompatibility: halogens Decomposition Products:Carbon monoxide, tungsten oxide, hydrogen and water 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 federal, state and local 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: 通常对水是不危害的，若无政府许可，勿将材料排入周围环境。

安全

• 风险声明 (欧洲): 36/37/38
• 安全声明 (欧洲): 26-36/37/39
• 海关编码: 2909199090

合成路线

上下游产品

上游产品  5
78251-20-4 75-65-0 1907-33-1 57125-20-9
999-78-0
下游产品  6
1071-81-4 17530-24-4 463-82-1 75-84-3
630-19-3 75-65-0

海关

海关编码	2909199090
中文概述	2909199090. 其他无环醚及其卤化衍生物（包括磺化，硝化或亚硝化衍生物）. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%