This product is not tested for water content. There could be small amounts of water present, but not enough to compromise the 98.5% purity specification. To see all parameters that are tested, please view the specification sheet or sample certificate of analysis, which are linked on the product page.
52630
Hexamethyldisiloxane
puriss., ≥98.5% (GC)
Sinónimos:
HMDSO
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About This Item
Fórmula lineal:
(CH3)3SiOSi(CH3)3
Número de CAS:
Peso molecular:
162.38
Beilstein/REAXYS Number:
1736258
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22
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vapor density
>1 (vs air)
Quality Level
grade
puriss.
assay
≥98.5% (GC)
form
liquid
refractive index
n20/D 1.377 (lit.)
n20/D 1.377
bp
101 °C (lit.)
mp
−59 °C (lit.)
density
0.764 g/mL at 20 °C (lit.)
SMILES string
C[Si](C)(C)O[Si](C)(C)C
InChI
1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
InChI key
UQEAIHBTYFGYIE-UHFFFAOYSA-N
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General description
HMDSO(hexamethyldisiloxane) is an organosilicon compound. It is a non-toxic, environmentally friendly monomer. It can be used as a precursor to synthesize organosilicon thin films. It serves as a silylating agent for carboxylic acids and alcohols. Additionally, it is used in the preparation of aroyl chlorides. HMDSO is commonly used as a water-repellent.
Application
Hexamethyldisiloxane is used:
- As a modifying agent in the presence of ethanol/n-hexane solution for the preparation of hydrophobic and hydrophilic sodium silicate-based silica xerogels.
- To form the dielectric layers in the MIM(metal-insulator-metal) structure that is consisting of graphene quantum dots(GQDs) to prepare two-terminal NVM (non-volatile-memory) devices.
Features and Benefits
Hexamethyldisiloxanehas high thermal stability.
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk_germany
WGK 2
flash_point_f
21.2 °F - closed cup
flash_point_c
-6 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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J. Heberle et al.
Silylating Agents, 2nd ed. (1995)
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Is PN: 52630 hexamethyldisiloxane dry? How much water in ppm?
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