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86944

Sigma-Aldrich

Hexamethyldisilazane

produced by Wacker Chemie AG, Burghausen, Germany, ≥97.0% (GC)

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Synonym(s):
Silazane HMN, HMDS
Linear Formula:
(CH3)3SiNHSi(CH3)3
CAS Number:
999-97-3
Molecular Weight:
161.39
Beilstein/REAXYS Number:
635752
EC Number:
213-668-5
MDL number:
MFCD00008259
UNSPSC Code:
12352103
PubChem Substance ID:
329769500
NACRES:
NA.23

grade

produced by Wacker Chemie AG, Burghausen, Germany

Quality Level

200

assay

≥97.0% (GC)

form

liquid

refractive index

n20/D 1.407 (lit.)

bp

125 °C (lit.)

SMILES string

C[Si](C)(C)N[Si](C)(C)C

InChI

1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3

InChI key

FFUAGWLWBBFQJT-UHFFFAOYSA-N

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General description

Hexamethyldisilazane (HDMS) is a bulk organo silicon compound.It finds major application as a silanizing agent, silylation with HMDS is carried out in the presence of an acid catalyst.The hydrophobic nature of HDMS coatings on various nanoparticles renders them resistant to water contamination and flocculation′s, during synthesis.

Application

It has been used as a
  • modifier to control the shape, formation of agglomerates,surface area and pore size of silica particles.
  • precursor for the depositing of SiNx on diamond like carbon films.
  • protective hydrophobic coating for nanoparticles.

Other Notes

prices for bulk quantities on request

pictograms

FlameSkull and crossbones
GHS02,GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 2

wgk_germany

WGK 2

ppe

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

Certificates of Analysis (COA)

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