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About This Item
Linear Formula:
F2CHCO2CH3
CAS Number:
Molecular Weight:
110.06
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
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
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
Signal Word
Danger
Hazard Statements
Precautionary Statements
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
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Methyl difluoroacetate inhibits corrosion of aluminum cathode current collector for lithium ion cells.
Kawamura T, et al.
Electrochemical and Solid-State Letters, 8(9), A459-A463 (2005)
M B Blanco et al.
Environmental science & technology, 44(7), 2354-2359 (2010-03-13)
A 1080 L environmental chamber with in situ FTIR spectroscopy detection was used to study the product distribution and the mechanism of the Cl-initiated photooxidation of a series of fluoroacetates. The gas-phase reactions of Cl atoms with ethyl trifluoroacetate (CF(3)C(O)OCH(2)CH(3))
Properties of carbon anodes and thermal stability in LiPF6/methyl difluoroacetate electrolyte.
Ihara M, et al.
Journal of the Electrochemical Society, 150(11), A1476-A1483 (2003)
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