中文名 | 正硅酸四乙酯 |
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英文名 | Silicon(IV) Acetate |
中文别名 | 乙酸硅(IV) |
英文别名 |
MFCD00026184
silicon tetraacetate EINECS 209-239-7 |
密度 | 1,18 g/cm3 |
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沸点 | 148 °C5 mm Hg(lit.) |
熔点 | 111-115 °C(lit.) |
分子式 | C8H12O8Si |
分子量 | 264.26200 |
闪点 | >110°C |
精确质量 | 264.03000 |
PSA | 105.20000 |
外观性状 | 白色至米色晶体或结晶粉末 |
蒸汽密度 | >1 (vs air) |
储存条件 | 贮存: 将密器密封,储存密封的主藏器内,并放在阴凉, 干爽的位置。 |
稳定性 | 稳定性和反应性: 要避免的物料:水分,潮湿。 要分解的产品:一氧化碳和二氧化碳,乙酰酸。 |
分子结构 | 五、分子性质数据: 1、 摩尔折射率:54.92 2、 摩尔体积(cm3/mol):210.2 3、 等张比容(90.2K):508.5 4、 表面张力(dyne/cm):34.2 5、 极化率(10-24cm3):21.77 |
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:8 4.可旋转化学键数量:8 5.互变异构体数量:无 6.拓扑分子极性表面积105 7.重原子数量:17 8.表面电荷:0 9.复杂度:280 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 | 一、物性数据 1. 性状:无色结晶。 2. 密度(g/mL,25/4℃):1.18 3. 相对蒸汽密度(g/mL,空气=1):不确定 4. 熔点(ºC):110 5. 沸点(ºC,0.67kpa或5 mmHg):148 6. 折射率:不确定 7. 闪点(ºC):不确定 8. 比旋光度(ºC):不确定 9. 自燃点或引燃温度(ºC)不确定 10. 蒸气压(kPa,25ºC):不确定 11. 饱和蒸气压(kPa,60ºC):不确定 12. 燃烧热(KJ/mol):不确定 13. 临界温度(ºC):不确定 14. 临界压力(KPa):不确定 15. 油水(辛醇/水)分配系数的对数值:不确定 16. 爆炸上限(%,V/V):不确定 17. 爆炸下限(%,V/V):不确定 18. 溶解性:可溶于丙酮、苯等溶剂。 |
Section 1: Product Identification Chemical Name:Silicon (IV) acetate, min. 95% CAS Registry Number:562-90-3 Formula:Si(OOCCH3)4 EINECS Number:209-239-7 Chemical Family:metal acetate salt Synonym:Silicon tetraacetate
Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound562-90-3100%no datano data Section 3: Hazards Identification Corrosive to skin, eyes, and mucous membranes. May cause coughing, wheezing, shortness of breath, Emergency Overview: headache, nausea and vomiting. Ingestion may cause damage to the mouth, throat and esophagus. Primary Routes of Exposure:Ingestion, inhalation, skin, eyes. Eye Contact:Corrosive to eyes. Skin Contact:Corrosive to skin. Inhalation:Inhalation may cause inflammation of the respiratory tract, edema and chemical pneumonitis. Ingestion:Ingestion may cause damage to the mouth, throat and esophagus. Corrosive to skin, eyes and mucous membranes. Inhalation causes coughing, wheezing, shortness of breath, Acute Health Affects: headache, nausea, and vomiting. Ingestion may cause damage to the mouth throat and esophagus. Chronic Health Affects:Prolonged inhalation of inorganic silicon compounds may cause pulmonary fibrosis know as silicosis. 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:no data Explosion Limits:no data Extinguishing Medium:carbon dioxide or dry powder Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus Special Fire Fighting Procedures: and full protective clothing. Hazardous Combustion andIf involved in a fire, this material may emit toxic and corrosive fumes. Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards. 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 the material in a sealed container. Store cold. Keep away from heat. 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: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 Respirator 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 xtl. Molecular Weight:264.27 Melting Point:160° dec. Boiling Point:148°C /6mm(110°subl.) Vapor Pressure:no data Specific Gravity:no data Odor:not determined Solubility in Water:reacts with water SECTION 10: Stability and Reactivity Stability:moisture sensitive (store cold) Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:contact with moisture Incompatibility:oxidizing agents, water, strong bases, and halogens Decomposition Products:carbon monoxide, carbon dioxide, silicon dioxide and organic fumes. SECTION 11: Toxicological Information RTECS Data:No information available in the RTECS files. Carcinogenic Effects:No data available Mutagenic Effects:No data available Tetratogenic Effects:No data available 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):Corrosive Solids, N.O.S. Hazard Class (CFR):8 Additional Hazard Class (CFR):NA Packaging Group (CFR):III UN ID Number (CFR):UN# 1759 Shipping Name (IATA):Corrosive Solid, N.O.S. Hazard Class (IATA):8 Additional Hazard Class (IATA):NA Packaging Group (IATA):III UN ID Number (IATA):UN# 1759 SECTION 15: Regulatory Information TSCA:Listed in the TSCA inventory. SARA (Title 313):Title compound not listed. Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A |
生态学数据: 三、生态学数据: 1、其它有害作用:该物质对环境可能有危害,对水体应给予特别注意。
|
符号 |
GHS05 |
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信号词 | Danger |
危害声明 | H314 |
警示性声明 | P280-P305 + P351 + P338-P310 |
个人防护装备 | Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
危害码 (欧洲) | C:Corrosive; |
风险声明 (欧洲) | R34 |
安全声明 (欧洲) | S26-S36/37/39-S45 |
危险品运输编码 | UN 3261 8/PG 2 |
WGK德国 | 3 |
包装等级 | II |
危险类别 | 8 |
海关编码 | 2915900090 |
上游产品 10 | |
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下游产品 10 | |
海关编码 | 2915900090 |
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中文概述 | 2915900090. 其他饱和无环一元羧酸及其酸酐(酰卤、过氧)化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 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 |
监管条件 | A.入境货物通关单 B.出境货物通关单 |
检验检疫 | R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验 |
Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |