This site requires that javascript be enabled. Please configure your browser in the tools or configuration section.
L04240 920-68-3 Heptamethyldisilazane, 97% N,N-Bis(trimethylsilyl)methylamine Alfa Aesar


Certificate of Analysis

Heptamethyldisilazane, 97%

CAS: 920-68-3 MDL: MFCD00008262  EINECS: 213-061-5
UN#:UN2924Hazard Class:3Packing Group:III
Alternate Name: N,N-Bis(trimethylsilyl)methylamine


Pricing and Availability

Pricing is currently not available for this product.

Chemical Properties

Formula: C7H21NSi2  Density: 0.798
Formula weight: 175.42  Refractive Index: 1.4210
Boiling point: 148-150° Sensitivity: Moisture Sensitive
Flash point: 27°(80°F) 

Literature References

Silylating agent, compare Hexamethyl­disilazane, A15139, giving gaseous methylamine as the only by-product.

Other References

Beilstein: 2321949
UN#: UN2924
Harmonized Tariff Code: 2931.90

GHS Hazard and Precautionary Statements

Hazard Statements : H226-H314

Flammable liquid and vapour. Causes severe skin burns and eye damage.

Precautionary Statements : P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Use explosion-proof electrical/ventilating/lighting/ equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.


Risk & Safety

Risk Phrases: 10-34
Flammable. Causes burns.
Safety Phrases: 26-45-36/37/39
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Wear suitable protective clothing, gloves and eye/face protection.