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440272

Sigma-Aldrich

Dichlorodimethylsilane

≥99.5%

Synonym(s):

DMDCS, Dimethyldichlorosilane

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About This Item

Linear Formula:
(CH3)2SiCl2
CAS Number:
Molecular Weight:
129.06
Beilstein:
605287
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

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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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 Statements

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Tetrahedron, 63, 299-299 (2007)
Cliff R Baar et al.
Journal of the American Chemical Society, 126(26), 8216-8231 (2004-07-01)
A series of enantiopure C1-symmetric metallocenes, [(SiMe2)2[eta5-C5H(CHMe2)2][eta5-C5H2((S)-CHMeCMe3)]]ZrCl2, (S)-2, [(SiMe2)2[eta5-C5H(CHEt2)2][eta5-C5H2((S)-CHMeCMe3)]]ZrCl2, (S)-6, and [(SiMe2)2[eta5-C5HCy2][eta5-C5H2((S)-CHMeCMe3)]]ZrCl2, (S)-7 (Cy = cyclohexyl), zirconocene dichlorides that have an enantiopure methylneopentyl substituent on the "upper" cyclopentadienyl ligand, and diastereomerically pure precatalysts, [(SiMe2)2[eta5-C5H((S)-CHMeCy)(CHMe2)][eta5-C5H3]]ZrCl2, (S)-8a and (S)-8b, which have an
J M Curran et al.
Biomaterials, 32(21), 4753-4760 (2011-04-15)
Material modifications can be used to induce cell responses, in particular-CH(3) and -NH(2) have shown potential in enhancing the ability of a material to support mesenchymal stem cell (MSC) adhesion and differentiation. Currently this process is variable, due to the
Bernard P Binks et al.
Physical chemistry chemical physics : PCCP, 9(48), 6391-6397 (2007-12-07)
We report measured and calculated oil-ionic liquid, water-ionic liquid and oil-water contact angles on silica surfaces which have been hydrophobised to different extents by silanisation. Based on the idea that the contact angle formed by a liquid-liquid interface with a
J Sotres et al.
Journal of dental research, 91(10), 973-978 (2012-08-10)
The pellicle serves as a multifunctional protective layer, providing, e.g., lubrication and remineralization and also acting as a diffusion barrier. In addition, since the formation of the pellicle precedes the adhesion of micro-organisms, it is also important as a conditioning

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