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CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7
CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7
CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7
CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7
CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7
CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7
CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7
CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7

CFS-267 Tetramethyldisiloxane / TMDSO Cas 3277-26-7

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Quick Details

MF:
C4H14OSi2
EINECS No.:
221-906-4
Place of Origin:
Hubei, China
Brand Name:
Co-Formula
Model Number:
CFS-267
Application:
important intermediate
Appearance:
Colorless clear liquid
Density:
0.76
Melting point:
<-78 deg
Boiling Point:
71 deg
Flash Point:
-20 deg
Refractive index:
n20/D 1.370(lit.)
Hazard Symbols:
UN1993 3/PG II
Storage:
Moisture Sensitive
Water Solubility:
DECOMPOSES
StorageTemp:
2-8 deg

Quick Details

CAS No.:
3277-26-7
Purity:
min 99%
Other Names:
TMDSO
MF:
C4H14OSi2
EINECS No.:
221-906-4
Place of Origin:
Hubei, China
Brand Name:
Co-Formula
Model Number:
CFS-267
Application:
important intermediate
Appearance:
Colorless clear liquid
Density:
0.76
Melting point:
<-78 deg
Boiling Point:
71 deg
Flash Point:
-20 deg
Refractive index:
n20/D 1.370(lit.)
Hazard Symbols:
UN1993 3/PG II
Storage:
Moisture Sensitive
Water Solubility:
DECOMPOSES
StorageTemp:
2-8 deg
Typical Properties
Chemical Name
1,1,3,3-Tetramethyldisiloxane
Synonyms
LS 7040; NSC 155369; T 2030 (siloxane);
Dowsil 3-7010; Dimethylsilyl ether;
Bis(dimethylsilyl) oxide; Bis(dimethylsilyl) ether;
[(Dimethylsilyl)oxy]dimethylsilane;
1,3-Dihydrotetramethyldisiloxane;
1,1,3,3-Tetramethyl-1,3-disiloxane;
sym-Tetramethyldisiloxane;
Disiloxane, 1,1,3,3-tetramethyl-;
1,1,3,3-Tetramethyl-1,3-dihydrodisiloxane;
1,3-Dihydrogen-1,1,3,3-tetramethyldisiloxane;
Cas No
3277-26-7
Formula
C4H14OSi2
Color
Colorless
Appearance
Colorless clear liquid
Purity
min 99%
Product Description
CFS-267 1,1,3,3-Tetramethyldisiloxane Cas No. 3277-26-7
CFS-267, 1,1,3,3-Tetramethyldisiloxane is normally abbreviated as TMDSO containing a reactive Si-Hgroups in its molecule.
It is an important intermediate and an organosilicon terminating agent with a wide range of application fields.

Application:

Used as an important intermediate for the synthesis of various silicone oils, silicone
resins, addition silicone rubbers and other organosilicon compounds.
Used as a basic material for the preparation of high-performance organic silicone
surfactants.
Used as a blocking agent and a reagent for the synthesis of pharmaceutical
intermediates.

storage:

Stored in a cool, well-ventilated place, and avoid exposure to humidity.
Should be stored in its original containers and used up asap after opening.
The expected shelf life is 12months, when stored in a strictly sealed container and under proper conditions.
Packing & Delivery
CFS-267 is available in 25L PE pails or 200L steel drums.
Please contact Co-Formula team for any special packaging request.
UN1993 3/PG II
More detailed and comprehensive information can be found in the corresponding Safety Data Sheet.


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