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

• 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
• 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
• Signal Word: Danger
• Hazard Statements: H225,H302,H315,H319,H335
• Precautionary Statements: 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 Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 65.1 °F - closed cup - (own results)
• Flash Point(C): 18.4 °C - closed cup - (own results)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves