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33009

Supelco

Dichlorodimethylsilane

for GC derivatization

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/REAXYS Number:
605287
EC Number:
200-901-0
MDL number:
MFCD00000491
UNSPSC Code:
12000000
PubChem Substance ID:
24859830

grade

for 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.[1]

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.[2] It was also used as silanizing agent during a GC experiment for quantitative analysis of submicrogram amounts of the phenylthiohydantoins.[3]

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_germany

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

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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)
R Bos et al.
Microbiology (Reading, England), 142 ( Pt 9), 2355-2361 (1996-09-01)
Co-adhesion between oral microbial pairs (i.e. adhesion of a planktonic microorganism to a sessile organism adhering to a substratum surface) has been described as a highly specific interaction, mediated by stereochemical groups on the interacting microbial cell surfaces, and also
Takehiro Fukuzaki et al.
Organic letters, 4(17), 2877-2880 (2002-08-17)
[reaction: see text] Studies on the connection between the right and left segments of azadirachtin are described. The Ireland-Claisen rearrangement of Li-enolate of the modeled ester with dichlorodimethylsilane in toluene afforded the desired limonoid framework stereoselectively in good yield.
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