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33009

Dichlorodimethylsilane

Synonym(s):

DMDCS, Dimethyldichlorosilane

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About This Item

Linear Formula:
(CH3)2SiCl2
CAS Number:
75-78-5
Molecular Weight:
129.06
EC Number:
200-901-0
UNSPSC Code:
12352200
PubChem Substance ID:
24859830
Beilstein/REAXYS Number:
605287
MDL number:
MFCD00000491
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grade

derivatization grade ((GC derivatization))

description

Silyl reagent

packaging

pkg of 100 mL

refractive index

n20/D 1.404 (lit.)

bp

70 °C (lit.)

mp

−76 °C (lit.)

density

1.07 g/mL at 25 °C (lit.)

compatibility

technique used for deactivating glassware and chromatographic supports

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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General description

Dichlorodimethylsilane (DCDMS) is a hydrophobic in nature. It can be used to make ultra-water-repellent silica nanoparticle films and superhydrophobic γ-alumina membranes.

Application

DCDMS in toluene was used for silanizing the vials overnight before performing solid-phase microextraction, for determination of polycyclic aromatic hydrocarbons in water samples. It was also used as silanizing agent during a GC experiment for quantitative analysis of submicrogram amounts of the phenylthiohydantoins.

signalword

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

3 - Flammable liquids

wgk

WGK 1

flash_point_f

33.8 °F - closed cup

flash_point_c

1 °C - closed cup

ppe

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
LB46159
LB45125
LB44727
LB44606
LB43210

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R A Doong et al.
Journal of chromatography. A, 879(2), 177-188 (2000-07-13)
A solid-phase microextraction (SPME) procedure has been developed for the determination of 16 US Environmental Protection Agency promulgated polycyclic aromatic hydrocarbons (PAHs). Five kinds of SPME fibers were used and compared in this study. The extracted sample was analyzed by
Influences of dichlorodimethylsilane treatment on soil hydrophobicity, thermal conductivity, and electrical conductivity.
Ju, Zhaoqiang, Tusheng Ren, and Robert Horton
Soil Science, 173, 425-432 (2008)
Analysis of amino acid phenylthiohydantoins by gas chromatography.
J J Pisano et al.
The Journal of biological chemistry, 244(20), 5597-5607 (1969-10-25)
S C Lung et al.
Chemosphere, 41(12), 1865-1871 (2000-11-04)
The effects of coating materials on polychlorinated biphenyl (PCB) adsorption in aqueous solution were assessed in an attempt to minimize PCB sorption loss during sampling processes. A coating material, which enhances PCB adsorption and allows adsorbed PCBs to be readily
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
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