Chromium Bromide (CrBr3) Semiconductors

Topics Covered

Chemical Properties
Thermal and Mechanical Properties
Safety Information


Chromium bromide is a water soluble, highly crystalline inorganic compound with the formula CrBr3. It is used in catalysts to polymerize olefins. Ultra-high purity and ultra-high compositions have good optical quality and are very useful.


Most metal bromide compounds including chromium bromide can be used in chemical analysis, water treatment and ultra-high purity for crystal growth applications.

Chemical Properties

The chemical properties of chromium bromide are provided in the table below:

Chemical Properties
Chemical Formula CrBr3
Molecular Weight 291.71
CAS No. 10031-25-1
IUPAC Name Chromium(3+) Bromide
Group Chromium – 6
Bromine – 17
Crystal Structure Trigonal

Thermal and Mechanical Properties

The thermal and mechanical properties of chromium bromide are provided in the tables below:

Thermal Properties
Heat of Formation 42-302.1 kJ/mol
Mechanical Properties
Melting Point 1127°C
Density 4.67 g/cm3

Safety Information

Safety Information
GHS Hazard Statements H302-Harmful if swallowed
H312- Harmful in contact with skin
H314- Severe skin burns and eye damage
H317- May cause allergic skin reaction
H330-Fatal if inhaled
H361-Suspected of damaging fertility or the unborn child
Safety Precautions S 22 – Do not breathe dust
S25 – Avoid contact with eyes
S36 – Wear suitable protective clothing
S37 – Wear suitable gloves
S39 – Wear eye/face protection
S45 – In case of accident or feel unwell seek medical advice.


Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback