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Alfa Aesar™ Hexamethyldisiloxane, 98+%

Chemical Identifiers

CAS 107-46-0
Molecular Formula C6H18OSi2
Linear Formula (CH3)3SiOSi(CH3)3
Formula Weight 162.38
MDL Number MFCD00008265
UN Number UN1993
Beilstein 1736258
Synonym HMDSO
Chemical Name or Material Hexamethyldisiloxane
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA118480F SDS Alfa Aesar™
A118480F
2500mL N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA11848AE SDS Alfa Aesar™
A11848AE
100mL N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA11848AP SDS Alfa Aesar™
A11848AP
500mL 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
Hexamethyldisiloxane is used as a solvent in organic reactions. It finds application as an international standard for 1H NMR spectroscopy for calibrating chemical shift. Further, it is used in liquid bandages to protect skin from irritation. In addition, it is used to measure tissue oxygen tension as a receptor molecule. It is also used to make low-k dielectric materials for the semi-conductor industries by plasma-enhanced chemical vapor deposition(PECVD) method.

Solubility
Slightly miscible with water.

Notes
Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, acids, bases and oxygen.
Description & Specifications

Chemical Identifiers

107-46-0
(CH3)3SiOSi(CH3)3
MFCD00008265
1736258
Hexamethyldisiloxane
C6H18OSi2
162.38
UN1993
HMDSO

Specifications

−2°C (28°F)
100° to 101°C
2500mL
C6H18OSi2
162.38
UN1993
HMDSO
≥98%
Characteristic
−67°C
107-46-0
(CH3)3SiOSi(CH3)3
MFCD00008265
1736258
Hexamethyldisiloxane

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.

RTECSNumber : JM9237000

TSCA : TSCA