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Dimethoxydimethylsilane

Dimethoxydimethylsilane structure

CAS No:
1112-39-6
Formula:
C4H12O2Si
Chemical Name:
Dimethoxydimethylsilane
Synonyms:
Silane,dimethoxydimethyl-;Dimethoxydimethylsilane;Dimethyldimethoxysilane;KBM 22;TSL 8117;AY 43-004;TSL 8112;LS 520;NSC 93882;DMDMOS;Z 6329;D 1052;DP 321;CG 112;CG 112 (coupling agent);OFS 6194;Xiameter OFS 6194;FD 371;KH 2121;103735-12-2
Categories:
Chemical Reagents > Organic Reagents

Description

Colorless clear liquidDimethyldimethoxysilane is a monomeric alkylalkoxysilane. It hydrolyzes in contact with water, releasing methanol, to form highly reactive silanols, which further condense to form oligomeric and polymeric siloxanes.

Liquid

Dimethoxydimethylsilane Basic Attributes

Molecular Weight：

120.22

Exact Mass：

120.22

BRN：

1733694

EC Number：

214-189-4

UNII：

A3QDB1RS1C

NSC Number：

93882

DSSTox ID：

DTXSID0042379

HScode：

29319090

Characteristics

PSA：

18.5

XLogP3：

-0.45

Appearance：

Liquid

Density：

0.864 g/cm³

Melting Point：

-80 °C

Boiling Point：

82 °C

Flash Point：

50 °F

Refractive Index：

n 20/D 1.369(lit.)

Water Solubility：

decomposes

Storage Conditions：

Store below +30°C.

Toxicity：

LC inhalation in rat: > 21350mg/m3/4

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 1993 3/PG 2

wgk germany：

hazard class code：

11-36-36/37/38

safety instructions：

16-26-33-36-37/39

RTECS Number：

VV3641666

Marks：

F,Xi

Precautionary statement(s)：

P210-P305 + P351 + P338

Hazard Statements：

H225-H319

GHS Classification：

|Danger|H225 (97.03%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P201, P202, P210, P233, P240, P241, P242, P243, P264, P280, P281, P302+P352, P303+P361+P353, P305+P351+P338, P308+P313, P321, P332+P313, P337+P313, P362, P370+P378, P403+P235, P405, and P501|Aggregated GHS information provided by 309 companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Dimethoxydimethylsilane Use and Manufacturing

Uses

Dimethyldimethoxysilane is used as a structure control agent and chain extender to improve the mechanical processing performance and extend the storage time of the rubber compound. It can be used instead of hydroxy silicone oil. Widely used in the treatment of organic silica gel and white carbon black.

Intermediates

Manufacturing Info：

All other basic inorganic chemical manufacturing|Silane, dimethoxydimethyl-: ACTIVE

Computed Properties

Molecular Weight:120.22
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:120.060656156
Monoisotopic Mass:120.060656156
Topological Polar Surface Area:18.5
Heavy Atom Count:7
Complexity:47.7
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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