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86944

Sigma-Aldrich

Hexamethyldisilazane

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

Synonym(s):
Silazane HMN, HMDS
Linear Formula:
(CH3)3SiNHSi(CH3)3
CAS Number:
Molecular Weight:
161.39
Beilstein:
635752
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

grade

produced by Wacker Chemie AG, Burghausen, Germany

Quality Level

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

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

52.5 °F - closed cup

Flash Point(C)

11.4 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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