ARSENIC (III) BROMIDE Property

Melting point:

31 °C

Boiling point:

221 °C

Density 

3,54 g/cm³

solubility 

reacts with H2O; soluble in hydrocarbon solvents, ctc;very soluble in ethyl ether, benzene

form 

yellow orthorhombic crystals

color 

Colorless, deliquescent, rhombic crystals

Specific Gravity

3.54

Water Solubility 

decomposed in H2O, forming HBr, As2O3; miscible with ether, benzene [MER06]

Sensitive 

moisture sensitive

Dielectric constant

9.0（37℃）

EPA Substance Registry System

Arsenous tribromide (7784-33-0)

Safety

Hazard Codes 

N-T,N,T

Risk Statements 

50/53-45-34-23/25

Safety Statements 

61-60-53-36/37/39-28A-20/21-45-28

RIDADR 

1555

HazardClass 

6.1(a)

PackingGroup 

II

Hazardous Substances Data

7784-33-0(Hazardous Substances Data)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H331Toxic if inhaled

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P273Avoid release to the environment.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P311Call a POISON CENTER or doctor/physician.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P391Collect spillage. Hazardous to the aquatic environment

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

ARSENIC (III) BROMIDE Chemical Properties,Usage,Production

Chemical Properties

Faintly yellow solid

Uses

Analytical chemistry, medicine.

Safety Profile

Confirmed human carcinogen. A poison. See also ARSENIC COMPOUNDS and BROMIDES. When heated to decomposition it emits very toxic fumes of As and Br-.

Synthesis

A boat is placed in a Pyrex tube and filled with As powder. A stream of dry N3, saturated with Br 3 vapor by passage through a Br2-filled wash bottle, is passed over the As. The tube is inclined toward the receiver and connected with the latter by means of an asbestos-paper-sealed adapter. The tube is heated until the onset of reaction. The product is distilled from the receiver over As powder.

Purification Methods

It hydrolyses in H2O, but less readily than AsCl3. POISONOUS. [Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 597 1963.]