2,2,4,4,6,6-hexamethyl-3,5-dioxa-2,4,6-trisilaheptane

• ChemBase编号: 147857
• 分子式: C8H24O2Si3
• 平均质量: 236.53146
• 单一同位素质量: 236.1084096
• SMILES: C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
• Canonical SMILES: C[Si](O[Si](C)(C)C)(O[Si](C)(C)C)C
• InChI: InChI=1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
• InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: 2,2,4,4,6,6-hexamethyl-3,5-dioxa-2,4,6-trisilaheptane
• IUPAC传统名: octamethyltrisiloxane
• 别名: 八甲基三硅氧烷; 聚二甲基硅氧烷; 八甲基三硅氧烷; Octamethyltrisiloxane; Poly(dimethylsiloxane); Octamethyltrisiloxane; 1,1,1,3,3,5,5,5-Octamethyltrisiloxane; Dimethylbis(trimethylsiloxy)silane; FRD 20; KF 96A1cs; KF 96L1.0; OS 20; Pentamethyl(trimethylsiloxy)disiloxane; Pentamethyl(trimethylsilyloxy)disiloxane; Octamethyltrisiloxane

登记号

• CAS号: 107-51-7
• EC号: 203-497-4
• MDL号: MFCD00008264
• Beilstein号: 1753063
• PubChem SID: 24853996; 24870584; 162242039; 24886729
• PubChem CID: 24705

理论计算性质

• 质子受体: 2
• 质子供体: 0
• LogD (pH = 5.5): 3.2194
• LogD (pH = 7.4): 3.2194
• Log P: 3.2194
• 摩尔折射率: 49.2724 cm^3
• 极化性: 25.658947 Å^3
• 极化表面积: 18.46 Å^2
• 可自由旋转的化学键: 4
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: Chloroform; DMSO
• 外观: Pale Yellow Oil
• 熔点: -82 °C(lit.)
• 沸点: 153 °C(lit.)
• 闪点: 29 °C; 84.2 °F
• 密度: 0.82 g/mL at 25 °C(lit.)
• 折射率: n20/D 1.384(lit.); n20/D 1.385
• 蒸汽密度: >1 (vs air)
• 粘度: 1.0 cSt(25 °C)

安全信息

• 保存条件: Hygroscopic, Refrigerator, Under Inert Atmosphere
• 联合国危险货物编号: 1993
• 德国WGK号: 3
• 联合国危险货物等级: 3
• 联合国危险货物包装类别(PG): 3
• 危险公开号: 10
• 安全公开号: 23-24/25
• GHS危险品标识: GHS02
• GHS警示词: Warning
• GHS危险声明: H226
• 个人保护装置: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1993 3/PG 3

产品相关信息

• 纯度: ≥97.0% (GC); 98%
• 级别: purum
• 线性分子式: [(CH3)3SiO]2Si(CH3)2

详细说明

Sigma Aldrich - 235709

包装
5, 100 mL in glass bottle

Sigma Aldrich - 469319

包装
50 mL in glass bottle

Toronto Research Chemicals - O237150

A linear silicone oligomer. Studies demonstrate that it is able to maintain the conformational stability of certain adsorbed proteins such as bovine serum albumin (BSA). Used in the methylation of mercury(II) salts.

参考文献

• Prokopowicz, M. et al.: J. Biomat. Sci. Polymer Ed., 14, 103 (2003)
• Watanabe, N. et al.: Ecotoxic. Env. Safety, 11, 174 (2003)