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Merck
CN

440272

Dichlorodimethylsilane

≥99.5%

Synonym(s):

DMDCS, Dimethyldichlorosilane

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About This Item

Linear Formula:
(CH3)2SiCl2
CAS Number:
75-78-5
Molecular Weight:
129.06
Beilstein:
605287
EC Number:
200-901-0
MDL number:
MFCD00000491
UNSPSC Code:
12352103
PubChem Substance ID:
24867582
NACRES:
NA.22

Key Documents

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Quality Level

200

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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Related Categories

Application

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

Packaging

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Signal Word

Danger

Hazard Statements

H225,H302,H314,H331,H335

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBS0017
SHBR1788
SHBP6374
SHBN0421
SHBL9313

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Tetrahedron, 63, 299-299 (2007)
Hannah Boyd et al.
Journal of colloid and interface science, 584, 660-668 (2020-11-18)
Salivary pellicles i.e., thin films formed upon selective adsorption of saliva, protect oral surfaces against chemical and mechanical insults. Pellicles are also excellent aqueous lubricants. It is generally accepted that reconstituted pellicles have a two-layer structure, where the outer layer
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
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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