HMDS

HMDS may refer to: * either of two related reagents in

organometallic chemistry Organometallic chemistry is the study of organometallic compounds, chemical compounds containing at least one chemical bond between a carbon atom of an organic molecule and a metal, including alkali, alkaline earth, and transition metals, and so ...

: **

Hexamethyldisilazane Bis(trimethylsilyl)amine (also known as hexamethyldisilazane and HMDS) is an organosilicon compound with the molecular formula CH3)3Sisub>2NH. The molecule is a derivative of ammonia with trimethylsilyl groups in place of two hydrogen atoms. An e ...

( CH₃)₃Sisub>2NH) ** Hexamethyldisilazide ( CH₃)₃Sisub>2NM) *** M = Li as in

Lithium bis(trimethylsilyl)amide Lithium bis(trimethylsilyl)amide is a lithiated organosilicon compound with the formula . It is commonly abbreviated as LiHMDS or Li(HMDS) (lithium hexamethyldisilazide - a reference to its conjugate acid HMDS) and is primarily used as a strong ...

(LiHMDS) *** M = Na as in

Sodium bis(trimethylsilyl)amide Sodium bis(trimethylsilyl)amide is the organosilicon compound with the formula . This species, usually called NaHMDS (sodium hexamethyldisilazide), is a strong base used for deprotonation reactions or base-catalyzed reactions. Its advantages are ...

(NaHMDS) *** M = K as in

Potassium bis(trimethylsilyl)amide Potassium is a chemical element; it has symbol K (from Neo-Latin ) and atomic number19. It is a silvery white metal that is soft enough to easily cut with a knife. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white pot ...

(KHMDS) *

Hexamethyldisiloxane Hexamethyldisiloxane (HMDSO or MM) is an organosilicon compound with the formula O

i(CH3)3 I, or i, is the ninth letter and the third vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''i'' (pronounced ), plur ...

. This volatile colourless liquid is used as a solvent and as a reagent in organic synthesis. It is prepared by the hydrolysis of trimethylsilyl chlori ...

(O i(CH₃)₃sub>2) *

Her Majesty's Diplomatic Service His Majesty's Diplomatic Service (HMDS) is the diplomatic service of the United Kingdom of Great Britain and Northern Ireland, dealing with foreign affairs and representing British interests overseas, as opposed to the Civil Service, which deals ...

, of the United Kingdom * Helmet mounted display and sight, a system for military pilots * '' Harvest Moon DS'', a video game {{disambiguation