CAS 141-63-9 | DODECAMETHYLPENTASILOXANE

Molecular Formula: C12H36O4Si5
Molecular Weight: 384.84
EINECS: 205-492-2
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
Worldwide Delivery

Application

Specification of CAS 141-63-9 | DODECAMETHYLPENTASILOXANE

ITEMS

SPECIFICATION

Melting point

-81 °C (lit.)

Merck

14,3404

Fp

187 °F

vapor pressure

<1 mm Hg ( 20 °C)

form

liquid

EPA Substance Registry System

Pentasiloxane, dodecamethyl- (141-63-9)

density

0.875 g/mL at 25 °C (lit.)

Boiling point

230 °C (lit.)

Specific Gravity

0.876

refractive index

n20/D 1.392(lit.)

Hydrolytic Sensitivity

1

CAS DataBase Reference

141-63-9(CAS DataBase Reference)

Synthesis of CAS 141-63-9 | DODECAMETHYLPENTASILOXANE

CAS 141-63-9 | DODECAMETHYLPENTASILOXANE

Conditions

Stage #1: 1,3-diethoxy-1,1,3,3-tetramethyldisiloxane With sodium hydroxide In toluene at 15 – 25℃;

Stage #2: chloro-trimethyl-silane In pentane at -55℃;

Reference

Rebrov; Muzafarov [Heteroatom Chemistry, 2006, vol. 17, # 6, p. 514 – 541]

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