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Product name: Sodium bromide
Alias: Sodium bromide [JAN]; Bromide salt of sodium; Bromnatrium; Bromnatrium [German]; Caswell No. 750A; EPA Pesticide Chemical Code 013907; HSDB 5039; NSC 77384; )
CAS Number: 7647-15-6
EINECS Number: 231-599-9
Molecular formula: NaBr
Molecular weight: 102.8938
Structural formula:

Physical and chemical properties:
Property Colorless cubic crystal or white granular powder. Odorless, salty and slightly bitter.
Melting point 747℃
Boiling point 1390℃
Relative density 3.203 (25℃)
Solubility It is easily soluble in water (the solubility is 121g/100ml water at 100℃). Slightly soluble in alcohol.
Product Uses: used in photosensitive film, medicine, spices, dyes and other industries.
| Appearance |
White crystalline particles or crystalline powder |
| Item |
Photographic grade |
Top grade |
Industrial grade |
| NaBr content (dry basis) |
≥99.5% |
≥99.0% |
≥98.5% |
| Moisture |
≤0.3% |
≤0.5% |
≤1.0% |
| Chloride |
≤0.3% |
≤0.6% |
≤1.5% |
| Bromate |
≤0.003% |
≤0.003% |
No reaction |
| Iodide |
≤0.005% |
≤0.01% |
qualified |
| Sulfate |
≤0.01% |
≤0.02% |
≤0.1% |
| PH value (5%) |
5.5-8.0 |
5.5-8.0 |
5.5-10.5 |
| Arsenic |
≤0.5ppm |
≤4ppm |
- |
| Lead |
≤0.5ppm |
≤4ppm |
- |
| Iron |
≤1ppm |
≤4ppm |
- |
| Copper |
≤1ppm |
- |
- |
| Clarity Test |
qualified |
- |
- |
| Package |
25kg plastic woven bag lined with plastic bag or 1000kg ton bag |