Product Description
Tetramethyldisiloxane
CAS: 3277-26-7
DESCRIPTION
Tetramethyldisiloxane, chemical name 1,3-dihydro-1,1,3,3-tetramethyldisiloxane, is a colorless transparent liquid, soluble in aromatic hydrocarbons, petroleum hydrocarbons and many kinds of organic solvents, insoluble in water. It’s widely used as a silicone intermediate in the functional end-capped polysiloxane, the high performance silicone surfactant, the liquid silicone rubber, the modified silicone oil, plastic and resin.
STRUCTURAL FORMULA
CH3 CH3
H—Si—O—Si—H
CH3 CH3
SPECIFICATION
|
Item
|
Index
|
|
appearance
|
colorless transparent liquid
|
|
chroma、hazen≤
|
10
|
|
density20℃
|
0.74~0.76
|
|
Refractive index 20℃
|
1.3669
|
|
Viscosity 25℃㎜2/S
|
2.0~2.5
|
|
Boiling Point℃
|
70.1
|
|
Flash point(cleveland open cup)℃
|
≤23
|
|
Purity % ≥
|
98
|
STORAGE & PACKING
Packed with 15kg, 200kg coating metal drum
Stored in a cool ventilated place.