379212

Hexamethyldisilazane

ReagentPlus^®, 99.9%

• Synonym(s): 1,1,1,3,3,3-Hexamethyldisilazane, HMDS
• Linear Formula: (CH₃)₃SiNHSi(CH₃)₃
• CAS Number: 999-97-3
• Molecular Weight: 161.39
• Beilstein: 635752
• EC Number: 213-668-5
• MDL number: MFCD00008259
• UNSPSC Code: 12352103
• PubChem Substance ID: 24863226
• NACRES: NA.23

Properties

• Quality Level: 200
• product line: ReagentPlus^®
• Assay: 99.9%
• 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

Description

General description

Hexamethyldisilazane (HDMS) is an organoslicon compound. HDMS is a colorless liquid used as a reagent and precursor in organic synthesis and organometallic chemistry. It is also used as a sol-gel precursor to fabricate thin films for semiconductor devices.

Application

Hexamethyldisilazane can be used:

• As a precursor to fabricate multilayer quantum dot light-emitting diodes.
• To modify dielectric surfaces of organic thin film transistors.
• To fabricate superhydrophobic coatings on epoxy resins.
• For the silylation of alcohols and phenols.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02,GHS06
• Signal Word: Danger
• Hazard Statements: H225,H302 + H332,H311,H412
• Precautionary Statements: 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 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