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Alfa Aesar™ Methyl difluoroacetate, 99%

Chemical Identifiers

Chemical Name or Material Methyl difluoroacetate
CAS 433-53-4
Molecular Formula F2CHCO2CH3
Formula Weight 110.06g/mol
MDL Number MFCD00039276
UN Number UN2924
Beilstein 1747534
Synonym Difluoroacetic acid methyl ester
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2219703

 
alfa aesar™
B22197-03
1g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAB2219706

 
alfa aesar™
B22197-06
5g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAB2219714

 
alfa aesar™
B22197-14
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.
Description & Specifications

Specifications

Boiling Point 86° to 87°C
Quantity 1g
Flash Point 19°C (66°F)
Chemical Name or Material Methyl difluoroacetate
CAS 433-53-4
Assay 99%
Molecular Formula F2CHCO2CH3
Formula Weight 110.06g/mol
MDL Number MFCD00039276
UN Number UN2924
Beilstein 1747534
Synonym Difluoroacetic acid methyl ester
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H225-H314-H318
Highly flammable liquid and vapour.
Causes severe skin burns and eye damage.
Causes serious eye damage.
Health Hazard 3 GHS P Statement
P210-P260-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Do not breathe dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
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, CORROSIVE, N.O.S.

Applications
A methyl difluoroacetate (MFA)-based LiPF6 solution was applied as an electrolyte to improve the thermal stability of Li-ion batteries. Methyl difluoroacetate is used in the inhibition of corrosion of aluminum cathode current collector for lithium ion cells.

Solubility
Slightly soluble in water.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents, bases.

Safety and Handling

Danger

GHS P Statement
P210-P260-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Do not breathe dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H225-H314-H318
Highly flammable liquid and vapour.
Causes severe skin burns and eye damage.
Causes serious eye damage.