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Decamethyltetrasiloxane

Decamethyltetrasiloxane structure

CAS No:
141-62-8
Formula:
C10H30O3Si4
Chemical Name:
Decamethyltetrasiloxane
Synonyms:
Tetrasiloxane,1,1,1,3,3,5,5,7,7,7-decamethyl-;Tetrasiloxane,decamethyl-;1,1,1,3,3,5,5,7,7,7-Decamethyltetrasiloxane;Decamethyltetrasiloxane;KF 96L1.5;DC 200 Fluid 1.5;1,1,3,3-Tetramethyl-1,3-bis(trimethylsiloxy)disiloxane;SH 200-1.5CS;KF 96L1.5CS;MD 2M;Xiameter PMX 200 Silicone Fluid 1.5CS;Xiameter PMX 200-1.5CS;OS 30 Fluid;OS 30;Dow Corning OS 30;[Dimethyl(trimethylsilyloxy)silyl]oxy-dimethyl-trimethylsilyloxysilane;SF 1.5
Categories:
Chemical Reagents > Organic Reagents

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Description

Colorless or yellowish transparent liquid

Liquid

Decamethyltetrasiloxane Basic Attributes

Molecular Weight：

310.69

Exact Mass：

310.69

EC Number：

205-491-7

UNII：

C23WAL597T

DSSTox ID：

DTXSID2044551

HScode：

29319090

Characteristics

PSA：

27.7

XLogP3：

6.52

Appearance：

Liquid

Density：

0.853 g/cm³

Melting Point：

-76 °C

Boiling Point：

194 °C

Flash Point：

144 °F

Refractive Index：

n 20/D 1.389(lit.)

Water Solubility：

<0.1mg/l

Storage Conditions：

Store below +30°C.

Vapor Pressure：

0.37 mmHg

Vapor Density：

>1 (vs air)

Henrys Law Constant：

17.00 atm-m3/mole

Safety Information

wgk germany：

hazard class code：

36/37/38

safety instructions：

23-24/25-37/39-26

Marks：

Precautionary statement(s)：

P210, P233, P240, P241, P242, P243, P273, P280, P303+P361+P353, P370+P378, P403+P235, P501

Hazard Statements：

H226

GHS Classification：

|Warning|H226 (70.59%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P273, P280, P303+P361+P353, P370+P378, P403+P235, and P501|Aggregated GHS information provided by 208 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Decamethyltetrasiloxane Use and Manufacturing

Uses

As a basis for silicone oils or fluids designed to withstand extremes of temp; as a foam suppressant in petroleum lubricating oil.

Functional fluids (closed systems)

Personal care products

Manufacturing Info：

All other basic inorganic chemical manufacturing|Tetrasiloxane, 1,1,1,3,3,5,5,7,7,7-decamethyl-: ACTIVE

Computed Properties

Molecular Weight:310.68
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:6
Exact Mass:310.12720095
Monoisotopic Mass:310.12720095
Topological Polar Surface Area:27.7
Heavy Atom Count:17
Complexity:227
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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