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1438-82-0 - Pentamethyldisiloxane, 95% - L16577 - Alfa Aesar

L16577 Pentamethyldisiloxane, 95%

CAS Number
1438-82-0
Synonyms

Size Price ($) Quantity Availability
5g 56.60
25g 199.00
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Pentamethyldisiloxane, 95%

MDL
MFCD00053658
EINECS
215-873-5

Chemical Properties

Formula
(CH3)3SiOSiH(CH3)2
Formula Weight
148.35
Boiling Point
86-87°
Flash Point
-19°(-2°F)
Density
0.758
Refractive Index
1.3740
Sensitivity
Moisture Sensitive
Solubility
Not miscible or difficult to mix in water.

Applications

Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis.

Notes

It is sensitive to moisture. Keep container tightly closed in a dry and well-ventilated place. Store under dry inert gas. Incompatible with oxidizing agents.

Literature References

Tao Pei.; Ross A. Widenhoefer. Use of Pentamethyldisiloxane in the Palladium-Catalyzed Cyclization/Hydrosilylation of Functionalized Dienes. Org. Lett. 2000, 2 (10), 1469-1471.

Carles, S.; Le Garrec, J. L.; Mitchell, J. B. Electron and ion reactions with hexamethyldisiloxane and pentamethyldisiloxane. The Journal of chemical physics. 2007, 127 (4), 144308-144308.

GHS Hazard and Precautionary Statements

Hazard Statements: H225

Highly flammable liquid and vapour.

Precautionary Statements: P210-P280-P240-P241-P233-P242-P243-P303+P361+P353-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Keep container tightly closed. Use only non-sparking tools. Take precautionary measures against static discharge. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1734568
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2931.90
TSCA
Yes

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