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Alfa Aesar™ Hexamethyldisiloxane, NMR grade, 99.7%

Chemical Identifiers

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

AAL1697014

  SDS
alfa aesar™
L1697014
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL1697022

  SDS
alfa aesar™
L1697022
100g 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

Formula Weight 162.38
Assay 99.7%
Synonym HMDSO
Chemical Name or Material Hexamethyldisiloxane
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.
Molecular Formula C6H18OSi2
Beilstein 1736258
Boiling Point 100° to 101°C
Linear Formula (CH3)3SiOSi(CH3)3
MDL Number MFCD00008265
Health Hazard 1 Danger
Odor Characteristic
RTECS Number JM9237000
Quantity 25g
TSCA TSCA
Flash Point −2°C (28°F)
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
UN Number UN1993
Purity Grade NMR Grade
Melting Point −67°C
CAS 107-46-0

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.

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.