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Alfa Aesar™ Pentamethyldisiloxane, 95%

Chemical Identifiers

CAS 1438-82-0
Molecular Formula (CH3)3SiOSiH(CH3)2
Formula Weight 148.35
MDL Number MFCD00053658
UN Number UN1993
Beilstein 1734568
Chemical Name or Material Pentamethyldisiloxane
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAL1657706 SDS Alfa Aesar™
L1657706
5g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAL1657714 SDS Alfa Aesar™
L1657714
25g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Specifications

Description

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.

Solubility
Not miscible or difficult to mix in water.

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.
Description & Specifications

Chemical Identifiers

1438-82-0
148.35
UN1993
Pentamethyldisiloxane
(CH3)3SiOSiH(CH3)2
MFCD00053658
1734568

Specifications

148.35
86° to 87°C
1438-82-0
1734568
UN1993
95%
(CH3)3SiOSiH(CH3)2
MFCD00053658
−19°C (−2°F)
5g
Pentamethyldisiloxane

Safety and Handling

GHS H Statement
H225
Highly flammable liquid and vapor.

GHS P Statement
P210-P280-P240-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.
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.

Danger

DOTInformation : Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.

TSCA : TSCA