HMDSO(Hexamethyldisiloxane) CAS 107-46-0
Identification
Properties
Safety Data
Specifications & Other Information
Links
Identification
CAS Number
107-46-0
Name
HMDSO//Hexamethyldisiloxane
Synonyms
107-46-0 [RN]
203-492-7 [EINECS]
Bis(trimethylsilyl) ether
Bis(trimethylsilyl)ether
D7M4659BPU
Disiloxane, 1,1,1,3,3,3-hexamethyl- [ACD/Index Name]
Hexamethyldisiloxan [German] [ACD/IUPAC Name]
Hexamethyldisiloxane [ACD/IUPAC Name] [Wiki]
Hexaméthyldisiloxane [French] [ACD/IUPAC Name]
hexametildissiloxano [Portuguese]
Oxybis(trimethylsilane)
Silane, oxybis(trimethyl)-
TMS ether
trimethyl(trimethylsilyloxy)silane
trimethylsilyl ether
((CH3)3Si)2O [Formula]
[9006-65-9]
1,1,1,3,3,3-HEXAMETHYLDISILOXANE
19108-55-5 [RN]
1-SI-1&1&O-SI-1&1&1 [WLN]
Bis(trimethylsilyl) oxide
Bistrimethylsilyl ether
Bis-trimethylsilyl oxide
Dimethyl silicone oil
Dimethyl(trimethylsilyl)methoxysilane
Disilane m6
EINECS 203-492-7
Hexamethyl disiloxane
Hexamethyl-d18-disiloxane
Hexamethyldisilane [ACD/IUPAC Name] [Wiki]
HMD
HMDSO
HMDSO; Trimethyl[(trimethylsilyl)oxy]silane
JM 9237000
JM9237000
MFCD00008265 [MDL number]
MFCD00084411
MFCD01325012
Mirasil DM 20 [Trade name]
NCGC00164086-01
Oxybis (trimethylsilane)
Silane, oxybis(trimethyl-
trimethyl[(trimethylsilyl)oxy]silane
trimethyl-trimethylsilyloxysilane
trimethyl-trimethylsilyloxy-silane
UNII:D7M4659BPU
UNII-D7M4659BPU
WLN: 1-SI-1&1&O-SI-1&1&1
Molecular Structure

Structure of HMDSO(Hexamethyldisiloxane) CAS 107-46-0
SMILES
C[Si](C)(C)O[Si](C)(C)C
StdInChI
InChI=1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
StdInChIKey
UQEAIHBTYFGYIE-UHFFFAOYSA-N
Molecular Formula
C6H18OSi2
Molecular Weight
162.38
EINECS
203-492-7
Beilstein Registry Number
1736258
MDL Number
MFCD00008265
Properties
Appearance
Colorless transparent
Refractive Index
1.3728 ~ 1.3768
Boiling Point
100°C
Melting Point
– 67°C
Flash Point
– 1.1°C
Density
0.762 ~ 0.770g/ cm3
Safety Data
Symbol
Signal Word
Warning
Hazard Statements
Precautionary Statements
P210-P273-P391-P403 + P235-P501
Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RIDADR
UN1993 – class 3 – PG 2 – EHS – VP <= 110kPa - Flammable liquids, n.o.s., HI: all
WGK Germany
1
RTECS
JM9237000
Specifications and Other Information of Our HMDSO(Hexamethyldisiloxane) CAS 107-46-0
Standard
Enterprise standard
Purity
≥99.5%
Content of Silanol
1.0%max
Content of Chlorion
1.0%max
Vapor Pressure at 30°C
55 Torr
Viscosity at 25°C
0.65 cst
Dielectric Constant
2.17
Heat of Vaporization
7.2 kcal/mol
Package
According to customer requirements to packaging
Storage
Under the room temperature and away from light
Application
1. For methylhydro silicone fluid and amino modified silicone fluid, our product uses as the end capping
agent.
2. For other functional silicone fluid, our product uses to introduce Polyether, amino, etc, and widely us
ed in cleaning agent, levelling agent, mould release agent and medicine chemicals, etc.
Links
Warshel Chemical Ltd
This product is developed by our sub R&D company Warshel Chemical Ltd, and please click the link below for details.
http://www.warshel.com/hexamethyldisiloxane-cas-107-46-0/
Watson International Ltd
This product is sold exclusively through our sales company Watson International Ltd, and please click the link below for details.
http://www.watson-int.com/hexamethyldisiloxane-cas-107-46-0/