Methyl Difluoroacetate , >97.0%(GC) , 433-53-4

CAS NO.：433-53-4

Empirical Formula: C3H4F2O2

Molecular Weight: 110.06

MDL number: MFCD00039276

EINECS: 207-089-7

PRODUCT Properties

• Boiling point: 85-86 °C (lit.)
• Density: 1.26 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.334(lit.)
• Flash point: 75 °F
• form: clear liquid
• color: Colorless to Almost colorless
• Specific Gravity: 1.272
• Water Solubility: Slightly soluble in water.
• BRN: 1747534
• InChI: InChI=1S/C3H4F2O2/c1-7-3(6)2(4)5/h2H,1H3
• InChIKey: CSSYKHYGURSRAZ-UHFFFAOYSA-N
• SMILES: C(OC)(=O)C(F)F
• CAS DataBase Reference: 433-53-4(CAS DataBase Reference)
• EPA Substance Registry System: Methyl 2,2-difluoroacetate (433-53-4)

Description and Uses

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.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Warning
• Hazard statements: H226-H302+H312+H332-H315-H319-H335
• Precautionary statements: P210-P280-P301+P312-P303+P361+P353-P304+P340+P312-P305+P351+P338
• target organs: Respiratory system
• PPE: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
• Hazard Codes: Xn,F
• Risk Statements: 10-20/21/22-36/37/38
• Safety Statements: 16-23-36/37/39
• RIDADR: UN 1993 3/PG 3
• WGK Germany: 3
• Hazard Note: Flammable
• HazardClass: 3
• PackingGroup: II
• HS Code: 29159000
• Storage Class: 3 - Flammable liquids
• Hazard Classifications: Acute Tox. 4 Oral; Eye Irrit. 2; Flam. Liq. 2; Skin Irrit. 2; STOT SE 3
• Limited Quantities: 5.0 L (1.3 gallons) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)