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1,3,5,7-Tetramethyl Cyclotetrasiloxane

1,3,5,7-Tetramethyl Cyclotetrasiloxane / CAS : 2370-88-9

Appearance Colorless Transparent Liquid UN 1993 3/PG 3
HS 2901100000 DG Class 3
Synonyms Cyclotetrasiloxane,2,4,6,8-Tetramethyl; 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-Tetraoxatetrasilocane; 2,4,6,8-Tetramethylcyclotetrasiloxane,Mixtureofisomers; 2,4,6,8-Tetramethyl-1,3,5,7,2λ3,4λ3,6λ3,8λ3-Tetraoxatetrasilocane;
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Properties

Summary

Formula
C4H16O4Si4
Molecular Mass
240.50900
Exact Mass
240.01300
PSA
36.92000
Logp
-0.53240
SMILES
C[Si]1O[Si](O[Si](O[Si](O1)C)C)C

Attribute classification

Category
Organic Chemical Materials > Organometalate

Chemical and Physical Properties

Melting Point
−69 °C(lit.)
Density
0.986 g/mL at 25 °C(lit.)
Boiling Point
134 °C(lit.)
Flash Point
76 °F
Appearance
Colorless Transparent Liquid

Export information

HS Code
2901100000
Export Rebate
13%
UN No.
1993 3/PG 3
DG-Class
3
Risk Code
R10; R36
Safety Label
Xi

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