Merck
All Photos(1)

433012

Sigma-Aldrich

聚(二甲基硅氧烷),乙烯基封端

average Mw ~25,000, viscosity 850-1,150 cSt (25 °C)(lit.)

Synonym(s):
PDMS
CAS Number:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.23

形式

liquid

质量水平

分子量

average Mw ~25,000
average Mw ~25,000

折射率

n20/D 1.4052

粘度

850-1,150 cSt(25 °C)(lit.)

bp

>93 °C (lit.)

碘值

2.2‑3.5

密度

0.965 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)=O

InChI

1S/C8H18OSi2/c1-7-10(3,4)9-11(5,6)8-2/h7-8H,1-2H2,3-6H3

InChI key

BITPLIXHRASDQB-UHFFFAOYSA-N

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This Item
481653481939482005
form

liquid

form

-

form

-

form

-

refractive index

n20/D 1.4052

refractive index

n20/D 1.406 (lit.)

refractive index

n20/D 1.405

refractive index

n20/D 1.406

viscosity

850-1,150 cSt(25 °C)(lit.)

viscosity

~3 cSt(lit.)

viscosity

~25 cSt

viscosity

~50,000 cSt

density

0.965 g/mL at 25 °C (lit.)

density

1 g/mL at 25 °C (lit.)

density

0.95 g/mL at 25 °C

density

0.98 g/mL at 25 °C

mol wt

average Mw ~25,000

mol wt

average Mn ~3,000

mol wt

average Mn ~550

mol wt

average Mn ~110,000

bp

>93 °C (lit.)

bp

>177 °C (lit.)

bp

182 °C

bp

-

应用

造型弹性体和用于电子元件的密封剂和密封胶。

特点和优势

可为电子元件提供防护水分、污垢和污染的非腐蚀屏障的聚合物产品。聚合物可以加热固化或室温固化。聚合不会产生挥发性气体。

外形

二乙烯官能活性硅酮液。

储存分类代码

12 - Non Combustible Liquids

WGK

WGK 3

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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