| Formula / Notation | Br2 |
|---|---|
| CAS Number | 7726-95-6 |
| Molecular Weight | 159.8 |
| Melting Point | -7.2 |
| Boiling Point | 58.8 |
| Density | 3.12 |
| Solubility | 35 g/L at 25 C |
| Appearance | Reddish-brown, volatile, heavy liquid with pungent odour |
| Also Known As | Br2, bromine liquid |
| Category | Elements |
What is Bromine?
Bromine is a reddish-brown liquid halogen, atomic number 35. One of only two elements that are liquid at room temperature (the other being mercury). Has a strong, unpleasant suffocating odour. Reacts with most metals and organic compounds.
Formula & Notation
IUPAC Name: Dibromine
Other Names / Synonyms: Br2, bromine liquid
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -7.2 |
| Boiling Point | 58.8 |
| Density | 3.12 |
| Molecular Weight | 159.8 |
| Solubility | 35 g/L at 25 C |
| Appearance | Reddish-brown, volatile, heavy liquid with pungent odour |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Bromine is a reddish-brown liquid halogen, atomic number 35. One of only two elements that are liquid at room temperature (the other being mercury). Has a strong, unpleasant suffocating odour. Reacts with most metals and organic compounds.
Flame retardants (brominated compounds in plastics/furniture). Methyl bromide fumigant. Silver bromide in photographic film. Brominated pharmaceuticals. Ethylene dibromide (antiknock additive). Water treatment. Bromine compounds in medicine.
Corrosive liquid and vapour. TLV: 0.1 ppm, IDLH: 3 ppm. Causes severe burns to skin and eyes. Vapour causes respiratory irritation and pulmonary oedema. Handle in fume hood with gloves and eye protection. Reacts with many organic and inorganic materials. Store in glass.
The formula or notation for Bromine is: Br2