CAS Registry Number

CAS 1070-89-9 — Hexamethyldisilazane sodium salt

Hexamethyldisilazane sodium salt (HMDS-Na) is a strong, non-nucleophilic amide base widely used in organic synthesis for deprotonation reactions, including the generation of ketone and ester enolates and of phosphorus ylides for Wittig olefinations. This reagent is a white to off-white solid with a molecular formula of C6H18NNaSi2 and a molecular weight of 183.37459 g/mol. It requires no special storage conditions but is classified as hazardous, carrying hazard statement H314 (causes severe skin burns and eye damage). Molekula supplies Hexamethyldisilazane sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: N-Sodiohexamethyldisilazane · NaHMDS · s14980 · Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, sodium salt · Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, sodium salt (1:1) · sodiobis(trimethylsilyl)amine · Sodium bis(trimethylsilyl)amide · sodium hexamethyldisilazane · sodium hexamethyldisilazid · sodium;bis(trimethylsilyl)azanide · Sodium bis(trimethylsilyl)amide, 2M solution in THF · Sodium bis(trimethylsilyl)amide 1M solution in THF