-
Name
Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate
- EINECS 808-179-4
- CAS No. 680-15-9
- Article Data19
- CAS DataBase
- Density 1.614 g/cm3
- Solubility
- Melting Point
- Formula C3H3F3O4S
- Boiling Point 150 °C at 760 mmHg
- Molecular Weight 192.116
- Flash Point 44.5 °C
- Transport Information UN 2920 8/PG 2
- Appearance clear colorless to yellow liquid
- Safety 26-36/37/39-45-16
- Risk Codes 10-34
-
Molecular Structure
-
Hazard Symbols
C, 
Xi
- Synonyms Aceticacid, difluoro(fluorosulfonyl)-, methyl ester (6CI,7CI,8CI,9CI);(Fluorosulfonyl)difluoroacetic acid methyl ester;2,2-Difluoro-2-fluorosulfonylacetic acid methyl ester;Difluoro(fluorosulfonyl)acetic acid methyl ester;Methyl(fluorosulfonyl)difluoroacetate;Methyl 2-fluorosulfonyldifluoroacetate;Methyl difluoro(fluorosulfonyl)acetate;Methyl fluorosulphonyldifluoroacetate;
- PSA 68.82000
- LogP 1.13230
Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate Chemical Properties
IUPAC Name: methyl 2,2-difluoro-2-fluorosulfonylacetate
CAS: 680-15-9
Molecular Formula: C3H3F3O4S
Molecular Weight: 192.11
Molecular structure:
Boiling point: 117-118 °C(lit.)
Density: 1.509 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.351(lit.)
Flash point: 118 °F
Index of Refraction: 1.37
Molar Refractivity: 26.97 cm3
Molar Volume: 118.9 cm3
Polarizability: 10.69 10-24cm3
Surface Tension: 32 dyne/cm
Density: 1.614 g/cm3
Flash Point: 44.5 °C
Enthalpy of Vaporization: 38.68 kJ/mol
Boiling Point: 150 °C at 760 mmHg
Vapour Pressure: 3.93 mmHg at 25°C
Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate Uses
Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate (CAS NO.680-15-9) is commonly used as a pharmaceutical intermediate.
Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate Safety Profile
Safety Information of Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate (CAS NO.680-15-9):
Hazard Codes: C
,Xi
Risk Statements: 10-34
R10:Flammable.
R34:Causes burns.
Safety Statements: 26-36/37/39-45-16
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S16:Keep away from sources of ignition.
RIDADR: UN 2920 8/PG 2
WGK Germany: 3
F: 10-21
Hazard Note: Irritant
HazardClass: 3.2
PackingGroup: III
Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate Specification
Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate, its CAS NO. is 680-15-9, the synonyms are Methyl fluorosulphonyl difluoro acetate ; Methyl Fluorosulfonyldifluoroacetate ; Methyl difluoro(fluorosulfonyl)acetate .
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