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804324 1,1,1,3,3,3-Hexamethyldisilazane

1,1,1,3,3,3-Hexamethyldisilazane for synthesis. CAS 999-97-3, molar mass 161.39 g/mol.

1,1,1,3,3,3-Hexamethyldisilazane MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Bis(trimethylsilyl)amine, HMDS

CAS #: 999-97-3 EC Number: 213-668-5 Molar Mass: 133.49 g/mol Hill Formula: C₆H₁₉N Si₂
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
999-97-3213-668-5C₆H₁₉N Si₂133.49 g/mol

Products

Catalogue NumberPackaging Qty/Pack
8043240050 Glass bottle 50 ml
8043240250 Glass bottle 250 ml
Description
Catalogue Number804324
SynonymsBis(trimethylsilyl)amine, HMDS
References
Product Information
CAS number999-97-3
EC number213-668-5
Hill FormulaC₆H₁₉N Si₂
Molar Mass133.49 g/mol
HS Code2931 90 00
Structure formula ImageStructure formula Image
Quality LevelMQ200
Applications
Application1,1,1,3,3,3-Hexamethyldisilazane for synthesis. CAS 999-97-3, molar mass 161.39 g/mol.
Biological Information
Physicochemical Information
Boiling point126 °C (1013 mbar)
Density0.77 g/cm3 (20 °C)
Explosion limit0.8 - 25.9 %(V)
Flash point11.4 °C
Ignition temperature325 °C
Melting Point-82 °C
pH value>7.0 (H₂O)
Vapor pressure1900 Pa (20 °C)
Viscosity kinematic0.9 mm2/s (25 °C)
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 847 mg/kg
LD 50 dermalLD50 Rabbit 550 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H225: Highly flammable liquid and vapour.
H302 + H332: Harmful if swallowed or if inhaled.
H311: Toxic in contact with skin.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s)P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P403 + P235: Store in a well-ventilated place. Keep cool.
Signal WordDanger
RTECSJM9230000
Storage class3 Flammable liquids
WGKWGK 2 obviously hazardous to water
Safety Information
Categories of dangerhighly flammable, harmful, corrosive
Product Usage Statements
Storage and Shipping Information
StorageStore below +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 3286 , 3 (6.1, 8), II
Declaration (transport by air) IATA-DGRUN 3286 , 3 (6.1, 8), II
Declaration (transport by sea) IMDG-CodeUN 3286 , 3 (6.1, 8), II, Segregation Group: 1 (Acids)
Supplemental Information
Specifications
Assay (GC, area%)≥ 98 %
Density (d 20 °C/ 4 °C)0.774 - 0.775
Identity (IR)passes test
Global Trade Item Number
Catalogue Number GTIN
8043240050 04022536384757
8043240250 04022536384764

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Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Silylation Reagents