Hexamethyldisiloxane

ALDRICH/326739 - NMR grade, ≥99.5%

Synonym: HMDSO

CAS Number: 107-46-0
Empirical Formula (Hill Notation): C₆H₁₈OSi₂
Molecular Weight: 162.38
EC Number: 203-492-7
MDL Number: MFCD00008265
Linear Formula: (CH₃)₃SiOSi(CH₃)₃
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-326739-100G	100 g	$67.10 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥99.5%
bp	101 °C (lit.)
density	0.764 g/mL at 20 °C (lit.)
form	liquid
grade	NMR grade
InChI	1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
InChI key	UQEAIHBTYFGYIE-UHFFFAOYSA-N
mp	−59 °C (lit.)
refractive index	n20/D 1.377 (lit.)
SMILES string	C[Si](C)(C)O[Si](C)(C)C
technique(s)	NMR: suitable
vapor density	>1 (vs air)

Packaging:

100 g in glass bottle

Symbol	GHS02,GHS09
Signal word	Danger
Hazard statements	H225 - H410
Precautionary statements	P210 - P273
Hazard Codes	F,N
Risk Statements	11-50/53
Safety Statements	16-61
RIDADR	UN1993 - class 3 - PG 2 - EHS - VP <= 110kPa - Flammable liquids
WGK Germany	WGK 2
Flash Point(F)	21.2 °F - closed cup
Flash Point(C)	-6 °C - closed cup

Purity	≥99.5%
bp	101 °C (lit.)
mp	−59 °C (lit.)
Density	0.764 g/mL at 20 °C (lit.)
Refractive Index	n20/D 1.377 (lit.)
UNSPSC	12352103

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