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Alfa Aesar™ Hexamethyldisiloxane, 98+%

Chemical Identifiers

Chemical Name or Material Hexamethyldisiloxane
CAS 107-46-0
Molecular Formula C6H18OSi2
Linear Formula (CH3)3SiOSi(CH3)3
Formula Weight 162.38g/mol
MDL Number MFCD00008265
UN Number UN1993
Beilstein 1736258
Synonym HMDSO
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA118480F

 
alfa aesar™
A11848-0F
2500mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA11848AE

 
alfa aesar™
A11848-AE
100mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAA11848AP

 
alfa aesar™
A11848-AP
500mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Melting Point −67°C
Boiling Point 100° to 101°C
Quantity 2500mL
Flash Point −2°C (28°F)
Odor Characteristic
Chemical Name or Material Hexamethyldisiloxane
CAS 107-46-0
Assay ≥98%
Molecular Formula C6H18OSi2
Linear Formula (CH3)3SiOSi(CH3)3
Formula Weight 162.38g/mol
MDL Number MFCD00008265
UN Number UN1993
Beilstein 1736258
Synonym HMDSO
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H225
Highly flammable liquid and vapor.
Health Hazard 3 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.
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
RTECS Number JM9237000
TSCA TSCA

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.

Safety and Handling

Danger

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.

GHS H Statement
H225
Highly flammable liquid and vapor.