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Dodecamethylpentasiloxane

Dodecamethylpentasiloxane / CAS : 141-63-9

Appearance colorless liquid UN 1993
HS 29349990 DG Class 0
Synonyms 1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane; Dodecamethyl-Pentasiloxan; Pentasiloxane, Dodecamethyl-; Dodecamethyl-2,4,6,8-Tetraoxa-1,3,5,7,9-Pentasilanonane; Dodecamethylnonanepentasiloxane; Penta(Dimethylsiloxane)
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Properties

Summary

Formula
C12H36O4Si5
Molecular Mass
384.84
Exact Mass
384.14600
PSA
36.92000
Logp
4.82800
IUPAC
bis[[dimethyl(trimethylsilyloxy)silyl]oxy]-dimethylsilane
SMILES
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C

Attribute classification

Matter Classification
organic
Category
Organic Chemical Materials > Organo Silicon Compounds

Chemical and Physical Properties

Melting Point
−81 °C(lit.)
Density
0.875 g/mL at 25 °C(lit.)
Boiling Point
230 °C(lit.)
Flash Point
187 °F
Appearance
colorless liquid

Export information

HS Code
29349990
Export Rebate
13%
UN No.
1993
DG-Class
0
Risk Code
36/37/38
Safety Label
Xi

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