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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 110.06
MDL Number MFCD00039276
UN Number UN2924
Beilstein 1747534
Synonym Difluoroacetic acid methyl ester
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAB2219703

  SDS
alfa aesar™
B2219703
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

  SDS
alfa aesar™
B2219706
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

  SDS
alfa aesar™
B2219714
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

Formula Weight 110.06
Assay 99%
CAS 433-53-4
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.
DOT Information Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, CORROSIVE, N.O.S.
Quantity 1g
Chemical Name or Material Methyl difluoroacetate
Molecular Formula F2CHCO2CH3
MDL Number MFCD00039276
UN Number UN2924
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.
Flash Point 19°C (66°F)
Boiling Point 86° to 87°C

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.