18816-28-9

• 常用中文名：硅酸四辛酯
• 常用英文名：TETRAOCTADECYLOXYSILANE
• CAS号：18816-28-9
• 分子式：C₇₂H₁₄₈O₄Si
• 分子量：1106.03000
• 相关类别： 有机原料 无机酸酯
• 发布时间：2018-06-19 03:18:07
• 更新时间：2024-01-04 18:55:46

名称

• 中文名: 四十八基氧硅烷
• 英文名: tetraoctadecyl silicate
• 中文别名: 硅酸四辛酯
• 英文别名: EINECS 242-596-7; Tetraoctadecyl orthosilicate; Tetrastearyl silicate; Kieselsaeure-tetraoctadecylester; Tetraoctadecylorthosilicat; silicic acid tetraoctadecyl ester; TETRAOCTADECYLOXYSILANE

物化性质

• 密度: 0.865g/cm3
• 沸点: 697.6ºC at 760mmHg
• 分子式: C₇₂H₁₄₈O₄Si
• 分子量: 1106.03000
• 闪点: 230ºC
• 精确质量: 1105.11000
• PSA: 36.92000
• LogP: 26.53440
• 蒸汽压: 1.65E-18mmHg at 25°C
• 折射率: 1.461
• 分子结构:

  1、 摩尔折射率：351.31

  2、 摩尔体积（m³/mol）：1278.2

  3、 等张比容（90.2K）：3034.4

  4、 表面张力（dyne/cm）：31.7

  5、 极化率（10^-24cm³）：139.27

• 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:4

  4.可旋转化学键数量:72

  5.互变异构体数量:无

  6.拓扑分子极性表面积36.9

  7.重原子数量:77

  8.表面电荷:0

  9.复杂度:851

  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：不确定

  2. 密度（g/mL,25/4℃）：不确定

  3. 相对蒸汽密度（g/mL,空气=1）：不确定

  4. 熔点（ºC）：不确定

  5. 沸点（ºC,常压）：不确定

  6. 沸点（ºC, 5.2kPa）：不确定

  7. 折射率：不确定

  8. 闪点（ºC）：不确定

  9. 比旋光度（º）：不确定

  10. 自燃点或引燃温度（ºC）：不确定

  11. 蒸气压（kPa,25ºC）：不确定

  12. 饱和蒸气压（kPa,60ºC）：不确定

  13. 燃烧热（KJ/mol）：不确定

  14. 临界温度（ºC）：不确定

  15. 临界压力（KPa）：不确定

  16. 油水（辛醇/水）分配系数的对数值：不确定

  17. 爆炸上限（%,V/V）：不确定

  18. 爆炸下限（%,V/V）：不确定

  19. 溶解性：不确定

MSDS

Section 1: Product Identification Chemical Name:Tetraoctadecyloxysilane CAS Registry Number:18816-28-9 Formula:Si(OC18H37)4 EINECS Number:242-596-7 Chemical Family:organosilicon compounds Synonym:Silicic acid, tetraoctadecyl ester, tetra(tetraoctadecyl)silicate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound18816-28-9100%no datano data Section 3: Hazards Identification Emergency Overview:Irritating to skin, eyes, and respiratory tract. Primary Routes of Exposure:Ingestion, inhalation, skin, eyes. Eye Contact:Causes moderate irritation of the eyes. Skin Contact:Causes slight to mild irritation of the skin. Inhalation:Irritating 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 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:no data 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. Keep away from heat and moisture. 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: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:Handle the material in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:white pwdr. Molecular Weight:1106.06 Melting Point:no data Boiling Point:no data Vapor Pressure:no data Specific Gravity:no data Odor:not determined Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:Contact with moisture Incompatibility:Water, strong acids, strong oxidizing agents 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):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

安全

• 海关编码: 2920909090

海关

海关编码	2920909090
中文概述	2920909090 其他无机酸酯（不包括卤化氢的酯）（包括其盐及它们的卤化，磺化，硝化和亚硝化衍生物）。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%