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Product details

hexamethyldisilazane

CAS：
999-97-3
English：
hexamethyldisilazane
Synonym：
hexamethyldisilazane
1,1,1,3,3,3-hexa-methyldisilazane
Hexamethyldisilazane
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-

Details

Chemical Name:hexamethyldisilazane

CAS.NO:999-97-3

Synonyms:1,1,1,3,3,3-hexa-methyldisilazane; Hexamethyldisilazane; Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-;

Molecular Formula:C6H19NSi2

Molecular Weight:161.39300

Physical and Chemical Properties:

Density:0.774;

Melting point:-78oC;

Boiling point:125oC;

Flash point:15oC;

Index of Refraction:1.407;

Specification:

Appearance:Clear liquid with ammonia odor

Purity(GC):≥99.0%

Packing:150 kg/drum, can also be packaged according to customer requirements

Storage:Store in a cool, ventilated place

Application:It can be used to introduce trimethylsilyl group into organic molecules containing an active hydrogen atom such as alcohols, carboxylic acids, amines etc. The most common industrial application of SiSiB? PC9210 is in production of semi synthetic beta lactum antibiotics as ampicillin and cephalexin.

The usual procedure is to protect the carboxylic group in the antibiotic with HDMS followed by acylation with the desired acylchloride.

Finally, desilylation under mild aqueous conditions gives the desired product

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