CFS-829, 1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane(TPDMS), CAS No.: 3982-82-9

1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane(TPDMS)

CAS No.: 3982-82-9
Appearance: Colorless clear liquid
Density(25°C):1.07g/ml
Boiling point : 215℃(0.5mmHg)
flash point(°C): 221℃
Refractive Index((n20/D)): 1.559
Purity: ≥90%

1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane(TPDMS) Description

1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane is a phenyl siloxane fluid used in high-vacuum diffusion pumps with excellent thermal oxidation stability, low vapor pressure and chemical stability.

Synonyms：
1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane
1,1,5,5-Tetraphenyltetramethyltrisiloxane
1,3,3,5-Tetramethyl-1,1,5,5-tetraphenyltrisiloxane
1,3,3,5-tetramethyl-1,1,5,5-tetraphenyl trisiloxane
Trisiloxane, 1,3,3,5-tetramethyl-1,1,5,5-tetraphenyl-
Dimethyl-bis[[methyl(diphenyl)silyl]oxy]silane
Tetramethyl Tetraphenyl Trisiloxane
Dow Corning 704 Silicone Diffusion Pump Fluid
TPDMS

1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane(TPDMS) Application

It is widely used in high-vacuum diffusion pumps.
It features high thermal oxidation stability, low viscosity coefficient, narrow boiling point range, steep vapor pressure curve, low vapor pressure at room temperature, and low freezing point.
In addition, it has chemical stability, being non-toxic, odorless, and non-corrosive, thus being widely applied.

1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane(TPDMS) Packaging

CFS-829 is available in 25L PE pails, 200L steel drums or 1000L IBC totes.
Custom packaging possibilities are also available.

1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane(TPDMS) 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 12 months, when stored in a strictly sealed container and under proper conditions.

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