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Merck
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文件

447269

Sigma-Aldrich

十二甲基五硅氧烷

97%

别名:

1,1,1,3,3,5,5,7,7,9,9,9-十二甲基五硅氧烷, DC 200 Fluid 2

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About This Item

线性分子式:
(CH3)3SiO[Si(CH3)2O]3Si(CH3)3
CAS号:
141-63-9
分子量:
384.84
EC號碼:
205-492-2
MDL號碼:
MFCD00039795
分類程式碼代碼:
12352103
PubChem物質ID:
24868328
NACRES:
NA.22

蒸汽壓力

<1 mmHg ( 20 °C)

化驗

97%

折射率

n20/D 1.392 (lit.)

bp

230 °C (lit.)

mp

−81 °C (lit.)

密度

0.875 g/mL at 25 °C (lit.)

SMILES 字串

C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C

InChI

1S/C12H36O4Si5/c1-17(2,3)13-19(7,8)15-21(11,12)16-20(9,10)14-18(4,5)6/h1-12H3

InChI 密鑰

FBZANXDWQAVSTQ-UHFFFAOYSA-N

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一般說明

十二甲基五硅氧烷是一种有机硅化合物，在有机合成中可用作反应剂或溶剂。还可作为前体合成有用的化合物，例如直链聚二甲基硅氧烷(PDMS)，这种化合物在工业中广泛用作涂料、粘合剂和弹性体。

應用

  • 垃圾渗滤液中十二甲基五硅氧烷的吸附特性：本研究调查了十二甲基五硅氧烷在城市固体废物中的吸附特性，这对环境化学家和废物管理专家具有重要意义（Q Kong et al., 2022）。
  • 硅油的毒性：本研究评估了液体低分子量环硅氧烷（包括十二甲基五硅氧烷）的细胞毒性，这对考虑硅油应用的药物发现化学家具有重要意义（Y Chen et al., 2021）。
  • 挥发性甲基硅氧烷的生物积累：回顾挥发性甲基硅氧烷如十二甲基五硅氧烷如何在水生生态系统中产生生物积累，对环境科学家和监管机构具有重要意义（F Bernardo et al., 2022）。
  • 固体MRI造影剂：描述与生物医学研究和材料科学相关的十二甲基五硅氧烷作为体内氧传感造影剂的应用（VH Liu et al., 2014）。
  • 污泥微生物对甲基硅氧烷的有效去除：讨论与环境化学家和废物处理研究相关的十二甲基五硅氧烷的生物降解（Y Wang et al., 2019）。

儲存類別代碼

10 - Combustible liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

186.8 °F - closed cup

閃點（°C）

86 °C - closed cup

個人防護裝備

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Siloxanes have been used as chemical additives in various products since the 1940s. They are known to have potentially toxic effects, to be environmentally persistent, and to be bioaccumulative. Previous studies have reported high levels of siloxanes in various environmental
Juan Aspromonte et al.
Analytical and bioanalytical chemistry, 412(11), 2537-2544 (2020-02-18)
Most of the reported methods for the analysis of volatile methylsiloxanes focus on their environmental fate or possible health effects, aiming at trace level analysis by using direct injection gas chromatography. However, system contamination as carry over and side reactions
Zhen Cheng et al.
Environmental pollution (Barking, Essex : 1987), 271, 116128-116128 (2021-01-10)
Organosilicons are widely used in consumer products and are ubiquitous in living environments. However, there is little systemic information on this group of pollutants in ambient particles. This study proposes a novel untargeted strategy based mainly on the mass difference
Tri Manh Tran et al.
Chemosphere, 184, 1117-1124 (2017-07-05)
Earlier studies have reported the occurrence of cyclic and linear siloxanes in personal care and household products. Nevertheless, there is a lack of information on the occurrence of siloxanes in indoor air. In this study, four cyclic and six linear
De-Gao Wang et al.
The Science of the total environment, 574, 1254-1260 (2016-09-25)
We measured the concentrations of linear and cyclic volatile methylsiloxanes (VMS) concentrations in the blood plasma of turtles, cormorants, and seals collected from Canadian freshwater and marine ecosystems. A modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) method was
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