86944

Hexamethyldisilazane

Wacker Chemie AG, ≥97.0% (GC)

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

Properties

• Quality Segment: 200
• assay: ≥97.0% (GC)
• form: liquid
• manufacturer/tradename: Wacker Chemie AG
• 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

Description

General description

Hexamethyldisilazane (HDMS) is a bulk organo silicon compound.[1][2]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.[2]

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.[1]

Other Notes

prices for bulk quantities on request

Safety Information

• pictograms: GHS02,GHS06
• signalword: Danger
• hcodes: H225,H302 + H332,H311,H412
• pcodes: P210 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 2
• Storage Class: 3 - Flammable liquids
• wgk: WGK 2
• flash_point_f: 52.5 °F - closed cup
• flash_point_c: 11.4 °C - closed cup
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter