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175633

Silicone oil

Name: Silicone oil
Brand: SIAL

for oil baths (from -40°C to +230°C)

Synonym(s):

Poly(dimethylsiloxane-co-methylphenylsiloxane)

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About This Item

Linear Formula:

[Si(CH₃)₂O]_x[Si(CH₃)(C₆H₅)O]_y

CAS Number:

63148-52-7

UNSPSC Code:

12352100

PubChem Substance ID:

24850517

NACRES:

NA.21

MDL number:

MFCD00133270

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Properties

Product Name

Silicone oil, high temperature

vapor pressure

<5 mmHg ( 25 °C)

Quality Segment

200

parameter

−40-450 °F temp. range (−40-230 °C)

refractive index

n20/D 1.495

density

1.05 g/mL at 25 °C

SMILES string

C[Si](C)=O.C[Si](=O)c1ccccc1

InChI

1S/C7H8OSi.C2H6OSi/c1-9(8)7-5-3-2-4-6-7;1-4(2)3/h2-6H,1H3;1-2H3

InChI key

XWFOTLCDICUQTI-UHFFFAOYSA-N

Description

General description

Silicone oil is a highly viscous oil made up of poly(dimethylsiloxane-co-methylphenylsiloxane) chains.

Application

Silicone oil has been used as a medium component in containerless protein crystallization techniques which do not require contact with a solid surface. It was used as an oil bath during the synthesis of methyl 2-methylazulene-1-carboxylate.

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Storage Class

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

437.0 °F - closed cup

Flash Point (°C)

225.00 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Gloves

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