ARSENIC TRIFLUORIDE
- CAS NO.：7784-35-2
- Empirical Formula: AsF3
- Molecular Weight: 131.92
- MDL number: MFCD00014169
- EINECS: 232-060-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:32
What is ARSENIC TRIFLUORIDE?
Chemical properties
Mobile liquid that fumes in air.
Physical properties
Arsenic trifluoride is a colorless oily liquid; fumes in air; etches glass; density 2.666 g/ml at 0°C; boils at 60.4°C; vapor pressure 100 torr at 13.2°C; solidifies at -8.5°C; decomposes in water; soluble in alcohol, ether, benzene and ammonia solution.
The Uses of ARSENIC TRIFLUORIDE
Fluorinating reagent, catalyst, ion implantation source, and dopant.
Preparation
Arsenic trifluoride is prepared by reaction of arsenic trioxide with fluorosulfonic acid. Also it may be prepared by treating arsenic trioxide with a mixture of sulfuric acid and calcium fluoride.
Hazard
Extremely toxic.
Safety Profile
Confirmed human carcinogen. A poison by inhalation. Strong reaction with P203. When heated to decomposition it emits very toxic fumes of As and F-. See also FLUORIDES and ARSENIC COMPOUNDS.
Properties of ARSENIC TRIFLUORIDE
| Melting point: | -8,5°C |
| Boiling point: | 63°C 752mm |
| Density | 2,666 g/cm3 |
| solubility | reacts with H2O; soluble in ethanol,ethyl ether, benzene |
| form | colorless liquid |
| color | Very mobile, colorless liquid which fumes in airand is readily hydrolyzed |
| Water Solubility | hydrolyzed by H2O; soluble alcohol, ether, benzene [MER06] |
| EPA Substance Registry System | Arsenous trifluoride (7784-35-2) |
Safety information for ARSENIC TRIFLUORIDE
Computed Descriptors for ARSENIC TRIFLUORIDE
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