Merck
  • 85409
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85409

Sigma-Aldrich

硅油

for oil baths (from −50°C to +200°C)

Synonym(s):
Dimethyl polysiloxane
Linear Formula:
[-Si(CH3)2O-]n
CAS Number:
MDL编号:
NACRES:
NA.21

等级

for oil baths (from −50°C to +200°C)

质量水平

蒸汽密度

>1 (vs air)

蒸汽压

<5 mmHg ( 25 °C)
5 mmHg ( 20 °C)

形式

oil

折射率

n20/D 1.403 (lit.)
n20/D 1.406

粘度

100 mPa.s(20 °C)

bp

>140 °C/0.002 mmHg (lit.)

密度

0.967 g/mL at 20 °C

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Silicone oil for oil baths (from &#8722;50°C to +200°C)

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Silicone oil viscosity 100&#160;cSt&#160;(25&#160;°C)

Sigma-Aldrich

378364

硅油

grade

for oil baths (from −50°C to +200°C)

grade

-

grade

-

grade

-

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor pressure

<5 mmHg ( 25 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

form

oil

form

viscous liquid

form

viscous liquid

form

viscous liquid

refractive index

n20/D 1.403 (lit.)

refractive index

n20/D 1.403 (lit.)

refractive index

n20/D 1.403 (lit.)

refractive index

n20/D 1.403 (lit.)

viscosity

100 mPa.s(20 °C)

viscosity

500 cSt(25 °C)

viscosity

350 cSt(25 °C)

viscosity

100 cSt(25 °C)

一般描述

硅油用于制备温度在-50°C到+200°C范围内的油浴。
硅油通常用于研究实验室的油浴,用于需要在 -50°C 至 +200°C 范围内加热/回流温度的反应。与其他加热设备相比,油浴提供更均匀的热量。

应用

硅油在一项研究中被用作保护碳钢合金试样。硅油在NMR(核磁共振)分析中也被用作热源。

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(F)

214.0 °F - closed cup

闪点(C)

101.1 °C - closed cup

个人防护装备

Eyeshields, Gloves


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