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Hexamethyldisilane

Hexamethyldisilane structure

CAS No:
1450-14-2
Formula:
C6H18Si2
Chemical Name:
Hexamethyldisilane
Synonyms:
Disilane,1,1,1,2,2,2-hexamethyl-;Disilane,hexamethyl-;1,1,1,2,2,2-Hexamethyldisilane;Hexamethyldisilane;Permethyldisilane;NSC 294211
Categories:
Chemical Reagents > Organic Reagents

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Description

Colorless clear liquid

Hexamethyldisilane Basic Attributes

Molecular Weight：

146.38

Exact Mass：

146.38

BRN：

1633463

EC Number：

215-911-0

NSC Number：

294211

DSSTox ID：

DTXSID2061698

HScode：

29310095

Characteristics

PSA：

XLogP3：

2.50

Appearance：

colorless liquid

Density：

0.729 g/cm³

Melting Point：

13.5 °C

Boiling Point：

113.5 °C

Flash Point：

29 °F

Refractive Index：

n 20/D 1.422(lit.)

Water Solubility：

Insoluble in water. Soluble in alcohol, ether and acetone.

Storage Conditions：

Flammables area

Toxicity：

LD50 orally in Rabbit: 2160 mg/kg LD50 dermal Rabbit 2160 mg/kg

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 1993 3/PG 2

wgk germany：

hazard class code：

11-36/37-43-36/37/38

safety instructions：

16-23-45-9-33-26-7/9

RTECS Number：

JM9170000

Marks：

F,Xi

Precautionary statement(s)：

P210-P261-P305 + P351 + P338-P342 + P311

Hazard Statements：

H225-H319-H334-H335

GHS Classification：

|Danger|H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P271, P272, P280, P285, P302+P352, P303+P361+P353, P304+P340, P304+P341, P305+P351+P338, P312, P321, P333+P313, P337+P313, P342+P311, P363, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 82 companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

hexamethyldisilane

Hexamethyldisilane Use and Manufacturing

Uses

It is used in pharmaceutical synthesis and can be used as a terminator for polysiloxane chains.

Manufacturing Info：

Disilane, 1,1,1,2,2,2-hexamethyl-: ACTIVE

Computed Properties

Molecular Weight:146.38
Rotatable Bond Count:1
Exact Mass:146.09470364
Monoisotopic Mass:146.09470364
Heavy Atom Count:8
Complexity:61.5
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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