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Alfa Aesar™ Pentamethyldisiloxane, 95%

$89.76 - $313.05

Chemical Identifiers

CAS 1438-82-0
Molecular Formula C5H15OSi2
Molecular Weight (g/mol) 147.344
MDL Number MFCD00053658
InChI Key XUKFPAQLGOOCNJ-UHFFFAOYSA-N
Synonym pentamethyldisiloxane, disiloxane, pentamethyl, 1,1,1,3,3-pentamethyldisiloxane, dimethyl trimethylsilyloxy silicon, disiloxane, 1,1,1,3,3-pentamethyl, dimethyl trimethylsilyl oxy silyl, dimethylsilyl oxy trimethylsilane
PubChem CID 6327260
IUPAC Name dimethyl(trimethylsilyloxy)silicon
SMILES C[Si](C)O[Si](C)(C)C
View More Specs

Products 2
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAL1657706 View Documents Alfa Aesar™
L1657706
5g Each for $89.76
 
AAL1657714 View Documents Alfa Aesar™
L1657714
25g Each for $313.05
 
Description

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.
Specifications

Chemical Identifiers

1438-82-0
147.344
XUKFPAQLGOOCNJ-UHFFFAOYSA-N
6327260
C[Si](C)O[Si](C)(C)C
C5H15OSi2
MFCD00053658
pentamethyldisiloxane, disiloxane, pentamethyl, 1,1,1,3,3-pentamethyldisiloxane, dimethyl trimethylsilyloxy silicon, disiloxane, 1,1,1,3,3-pentamethyl, dimethyl trimethylsilyl oxy silyl, dimethylsilyl oxy trimethylsilane
dimethyl(trimethylsilyloxy)silicon

Specifications

1438-82-0
MFCD00053658
1734568
XUKFPAQLGOOCNJ-UHFFFAOYSA-N
dimethyl(trimethylsilyloxy)silicon
6327260
95%
5g
Pentamethyldisiloxane
C5H15OSi2
UN1993
pentamethyldisiloxane, disiloxane, pentamethyl, 1,1,1,3,3-pentamethyldisiloxane, dimethyl trimethylsilyloxy silicon, disiloxane, 1,1,1,3,3-pentamethyl, dimethyl trimethylsilyl oxy silyl, dimethylsilyl oxy trimethylsilane
C[Si](C)O[Si](C)(C)C
147.344
148.35
86°C to 87°C
−19°C (−2°F)
Safety and Handling

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