Synonyms: Bis(trimethylsilyl)amine; HMDS
CAS Number: 999-97-3
Formula: C6H19NSi2
Formula Weight: 161.39
Linear Formula: (CH3)3SiNHSi(CH3)3
MDL No.: MFCD00008259
Purity: >=99%
Boiling Point: 125 C(lit.)
Refractive Index: n20/D 1.407(lit.)
Beilstein Registry Number: 635752
EC Number: 213-668-5
UNSPSC Code: 12352300
General description: Hexamethyldisilazane (HMDS) is used to trimethylsilylate alcohols, amines, thiols. HMDS can also be used for the preparation of trimethylsilyl ethers from hydroxy compounds.
Application: HMDS is used for specimen preparation for scanning electron microscopy.
RTECS: JM9230000
RIDADR: UN 1992 6.1(3) / PGII
WGK Germany: 2
Flash Point(F): 51.8 F
Flash Point(C): 11 C
R Codes: 11-20/21/22-52/53
S Codes: 36/37-61
IOD Codes: F,C
Symbol: GHS02, GHS06
Signal Word: Danger
Hazard Statements: H225-H302 + H332-H311-H412
Precautionary statements: P210-P261-P273-P280-P302 + P352 + P312-P304 + P340 + P312