Potassium bis(trimethylsilyl)amide solution

ALDRICH/702722 - 1 M in THF

Synonym: KHMDS; Hexamethyldisilazane potassium salt solution; Potassium hexamethyldisilazide solution

CAS Number: 40949-94-8
Empirical Formula (Hill Notation): C₆H₁₈KNSi₂
Molecular Weight: 199.48
MDL Number: MFCD00010330
Linear Formula: [(CH₃)₃Si]₂NK
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-702722-4X25ML	25 mL	$168.00 4/EA	Add To Favorites
45-702722-100ML	100 mL	$177.00 1/EA	Add To Favorites
45-702722-500ML	500 mL	$809.00 1/EA	Add To Favorites

25 mL Sure/Seal™ Packaging

Properties
Descriptions
Safety Info.
Basic Data

concentration	1 M in THF
density	0.915 g/mL at 25 °C
form	liquid
InChI	1S/C6H18NSi2.K/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1
InChI key	IUBQJLUDMLPAGT-UHFFFAOYSA-N
Quality Level	200
SMILES string	C[Si](C)(C)N([K])[Si](C)(C)C
vapor density	3.2 (vs air)

Application:	Potassium bis(trimethylsilyl)amide solution (1 M in THF) has been used as an anionic initiator in the polymerization of polyethylene oxide(PEO).
Legal Information:	Sure/Seal is a trademark of Sigma-Aldrich Co. LLC
Packaging:	4×25, 100, 500 mL in Sure/Seal™
Packaging:	The 25 mL Sure/Seal^™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Symbol	GHS02,GHS05,GHS07,GHS08
Signal word	Danger
Hazard statements	H225 - H302 - H314 - H335 - H351
Precautionary statements	P201 - P210 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 + P310
Hazard Codes	F,Xn
Risk Statements	11-14-19-36/37/38-40
Safety Statements	16-26-36/37
RIDADR	UN 2924 8(3) / PGII
WGK Germany	WGK 3
Flash Point(F)	-2.0 °F
Flash Point(C)	-18.9 °C
Supplemental Hazard Statements	EUH018 - EUH019

Density	0.915 g/mL at 25 °C
UNSPSC	12352111

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