1,1,1,3,3,3-Hexamethyldisilazane

CAS: 999-97-3

Category: Organosilicon Compounds

PurityReagent Grade ≥98%, High-Purity Grade ≥99%, Technical Grade ≥97%
Molecular FormulaC6H19NSi2
Molecular Weight161.39
AppearanceColorless liquid
PackagingGlass bottles (e.g., 10 mL, 100 mL, 500 mL, 2.5 L)
Testing IndicatorsAppearance — Visual inspection; Boiling point — ASTM D1078; Density — ASTM D4052; Refractive index — ASTM D1218; Purity — GC; Amine content — Acid-base titration (GB/T 9729); Moisture — Karl Fischer titration (GB/T 6283); Identification — FTIR (Si–N ~850 cm⁻¹), NMR; Silylation activity — Reaction test with methanol or silica.
Storage NotesKeep in a cool, dry, well-ventilated area in a tightly closed container, away from moisture, acids, and strong oxidizers.
Lead Time
Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28
days
A silazane reagent used in organic/inorganic chemistry for silylation, as a precursor to silicon nitride, as drying/conditioning agent, and in surface treatments.