295914

Methyl difluoroacetate

96%

• Linear Formula: F₂CHCO₂CH₃
• CAS Number: 433-53-4
• Molecular Weight: 110.06
• EC Number: 207-089-7
• MDL number: MFCD00039276
• UNSPSC Code: 12352100
• PubChem Substance ID: 24857822
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 96%
• refractive index: n20/D 1.334 (lit.)
• bp: 85-86 °C (lit.)
• density: 1.26 g/mL at 25 °C (lit.)
• functional group: ester; fluoro
• SMILES string: COC(=O)C(F)F
• InChI: 1S/C3H4F2O2/c1-7-3(6)2(4)5/h2H,1H3
• InChI key: CSSYKHYGURSRAZ-UHFFFAOYSA-N

Description

General description

The gas-phase reactions of Cl atoms with methyl difluoroacetate have been investigated at 296 ± 2K and atmospheric pressure of synthetic air.

Application

Methyl difluoroacetate has been used:

• to compose the electrolyte for Lithium ion cells, also showed good inhibition of aluminum cathode current collector corrosion
• as electrolyte solvent for improvement of thermal stability in lithium-ion batteries

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H302,H315,H319,H335
• pcodes: P210 - P233 - P240 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 65.1 °F - closed cup - (own results)
• flash_point_c: 18.4 °C - closed cup - (own results)
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter