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235733

1,1,3,3-Tetramethyldisiloxane

Name: 1,1,3,3-Tetramethyldisiloxane
Brand: ALDRICH

97%

Synonym(s):

1,3-dihydrotetramethyldisiloxane, sym-tetramethyldisiloxane, Bis(dimethylsilyl)ether, Bis(dimethylsilyl)oxide, Tetramethyldisiloxane

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About This Item

Linear Formula:

[(CH₃)₂SiH]₂O

CAS Number:

3277-26-7

Molecular Weight:

134.32

UNSPSC Code:

12352103

NACRES:

NA.22

PubChem Substance ID:

24853998

EC Number:

221-906-4

Beilstein/REAXYS Number:

1733364

MDL number:

MFCD00008256

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Properties

Quality Level

100

assay

97%

form

liquid

refractive index

n20/D 1.370 (lit.)

bp

70-71 °C (lit.)

density

0.76 g/mL at 25 °C (lit.)

SMILES string

C[SiH](C)O[SiH](C)C

InChI

1S/C4H14OSi2/c1-6(2)5-7(3)4/h6-7H,1-4H3

InChI key

NVYQDQZEMGUESH-UHFFFAOYSA-N

Description

General description

1,1,3,3-Tetramethyldisiloxane is an inexpensive, nontoxic, and mild reducing agent. It is an attractive hydride source for hydrosilylation reactions, dehydrogenative silylations, and polymer production due to its electrophilic nature.

Application

1,1,3,3-Tetramethyldisiloxane can be used as:

A reactant to synthesize mono-functionalized siloxane derivatives via hydrosilylation reaction.
A reducing agent to synthesize alkyl halides from aldehydes.

Other Notes

A Practical Procedure for Reduction of Primary, Secondary and Tertiary Amides to Amines

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pictograms

GHS02

signalword

Danger

hcodes

H225

pcodes

P210 - P233 - P240 - P241 - P242 - P243

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

14.0 °F - closed cup

flash_point_c

-9.99 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品

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Certificates of Analysis (COA)

Lot/Batch Number

0000546852

MKDB1161

0000505466

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Tetrahedron Letters, 25, 3123-3123 (1984)

1, 1, 3, 3-Tetramethyldisiloxane

Laval S, et al.

e-EROS Encyclopedia of Reagents for Organic Synthesis (2001)