ARSENIC TRIFLUORIDE Chemical Properties

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

Hazard Codes 

T

Risk Statements 

23/25

Safety Statements 

20/21-28-45

RIDADR 

1556

Hazard Note 

Toxic

HazardClass 

6.1(a)

PackingGroup 

I

Hazardous Substances Data

7784-35-2(Hazardous Substances Data)

ARSENIC TRIFLUORIDE Usage And Synthesis

Description

Arsenic trifluoride is a chemical compound of arsenic and fluorine with the chemical formula AsF3. It is a colorless liquid which reacts readily with water.

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.

Uses

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.

ARSENIC TRIFLUORIDE(7784-35-2)Related Product Information

• Nitrogen trifluoride
• Antimony trifluoride
• RUBIDIUM HEXAFLUOROARSENATE
• SODIUM HEXAFLUOROARSENATE(V)
• SILVER HEXAFLUOROARSENATE
• ARSENIC TRIFLUORIDE
• TRIPHENYLSULFONIUM HEXAFLUOROARSENATE
• LITHIUM HEXAFLUOROARSENATE(V)
• POTASSIUM HEXAFLUOROARSENATE
• HEXAFLUOROARSENIC ACID
• HEXAFLUOROARSENIC ACID
• ARSENIC PENTAFLUORIDE
• POTASSIUM TETRAFLUOROARSENITE
• DIPHENYLIODONIUM HEXAFLUOROARSENATE
• CESIUM HEXAFLUOROARSENATE
• TETRA-N-PROPYLAMMONIUM HEXAFLUOROARSENATE
• DIOXYGENYL HEXAFLUOROARSENATE
• TRIPHENYLMETHYL HEXAFLUOROARSENATE