Substance
ID:305042
Names and Identifiers
IUPAC name
4,4-dimethyl-2,2,6,6-tetraphenyl-3,5-dioxa-2,4,6-trisilaheptane
IUPAC Traditional name
4,4-dimethyl-2,2,6,6-tetraphenyl-3,5-dioxa-2,4,6-trisilaheptane
Synonyms
Dow Corning® silicone diffusion pump fluids
Properties
Safety Information
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
GHS Hazard statements
H319
Risk Statements
36
German water hazard class
3
GHS Signal Word
Warning
GHS Precautionary statements
P305+P351+P338
European Hazard Symbols
Irritant (Xi)Safety Statements
26
MSDS Link
Product Information
Linear Formula
[CH3Si(C6H5)2O]2Si(CH3)2
Physical Property
Refractive Index
n20/D 1.559
Boiling Point
215 °C/0.5 mmHg
Density
1.07 g/mL at 25 °C
Flash Point
213.8 °F
101 °C
Molecule Details
Application
Single component fluid for high vacuums of 10-6 to 10-8 torr (untrapped) and 10-10 to 10-11 torr (trapped). Offers quick pumpdown.
General description
For high vacuum and for fast pumping of large volumes of gas or vapor in production operations. Chemically and thermally inert fluids. General purpose for pumping large volumes of gas, vacuum range 10-5 to 10-7 torr. Also suitable for use in Aldrich swivel McLeod vacuum gauges.
Legal Information
Dow Corning is a registered trademark of The Dow Chemical Company or an affiliated company of Dow
Single component fluid for high vacuums of 10-6 to 10-8 torr (untrapped) and 10-10 to 10-11 torr (trapped). Offers quick pumpdown.
General description
For high vacuum and for fast pumping of large volumes of gas or vapor in production operations. Chemically and thermally inert fluids. General purpose for pumping large volumes of gas, vacuum range 10-5 to 10-7 torr. Also suitable for use in Aldrich swivel McLeod vacuum gauges.
Legal Information
Dow Corning is a registered trademark of The Dow Chemical Company or an affiliated company of Dow
Molecular Spectra
No Data Available
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References
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