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440272

Sigma-Aldrich

Dichlorodimethylsilane

≥99.5%

Synonym(s):
DMDCS, Dimethyldichlorosilane
Linear Formula:
(CH3)2SiCl2
CAS Number:
Molecular Weight:
129.06
Beilstein:
605287
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥99.5%

form

liquid

refractive index

n20/D 1.404 (lit.)

bp

70 °C (lit.)

mp

−76 °C (lit.)

density

1.07 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C[Si](C)(Cl)Cl

InChI

1S/C2H6Cl2Si/c1-5(2,3)4/h1-2H3

InChI key

LIKFHECYJZWXFJ-UHFFFAOYSA-N

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Packaging

100 mL in Sure/Seal™
1 L in Sure/Seal™

Application

Common reagent for synthesis of optically active ansa-mettallocene polymerization catalysts.
Used to prepare a resin bound siloxane with reactivity towards tertiary alcohols.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

33.8 °F - closed cup

Flash Point(C)

1 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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