Chemical Name: Sodium Bromide, Synonyms: Bromide salt of sodium, NaBr, Chemical Formula: NaBr, Molecular Weight: 102.89 g/mol, CAS Number: 7647-15-6
1. Product Identification
Chemical Name: Sodium Bromide
Synonyms: Bromide salt of sodium, NaBr
Chemical Formula: NaBr
Molecular Weight: 102.89 g/mol
CAS Number: 7647-15-6
EC Number: 231-599-9
| Item | High Grade | Industrial Grade | Water Treatment Grade |
|---|---|---|---|
| Appearance | White crystal | White crystal | White crystal |
| Assay (NaBr) %≥ | 98.5 | 98.0 | 97.5 |
| Chloride (Cl⁻) %≤ | 0.01 | 0.05 | 0.1 |
| Sulfate (SO₄²⁻) %≤ | 0.01 | 0.02 | 0.05 |
| Bromate (BrO₃⁻) %≤ | 0.003 | 0.005 | 0.01 |
| pH Value | 6.0-8.0 | 5.5-8.5 | 5.5-8.5 |
| Water Content %≤ | 0.3 | 0.5 | 0.5 |
| Heavy Metals (Pb) ppm≤ | 5 | 10 | - |
| Iodide (I⁻) %≤ | 0.005 | 0.01 | - |
| Iron (Fe) ppm≤ | 5 | 10 | - |
2. Physical Properties
Appearance: White crystalline powder
Odor: Odorless
Melting Point: 747°C (1,377°F)
Boiling Point: Decomposes at high temperature
Density: 3.21 g/cm³ (20°C)
Solubility:
Water: 945 g/L (20°C), soluble
Ethanol: Slightly soluble
Diethyl ether: Insoluble
pH (10% solution): Neutral (~7)
3. Chemical Properties
Stability: Stable under normal conditions.
Reactivity: Reacts with strong acids (e.g., H₂SO₄) to release HBr gas. Decomposes upon heating to produce toxic bromine fumes.
Incompatibility: Avoid contact with oxidizing agents, acids, and organic materials.
4. Applications
Pharmaceuticals: Raw material for sedatives, anticonvulsants, and expectorants.
Photography: Used in film developers.
Oil & Gas: Additive in drilling fluids for completion and workover operations.
Chemical Synthesis: Intermediate for bromine compounds.
Analytical Chemistry: Titrant in redox reactions.
5. Safety Information
GHS Classification:
Skin Corrosion/Irritation: Category 2
Serious Eye Damage/Irritation: Category 2A
Specific Target Organ Toxicity (Single Exposure): Category 3
Hazard Symbols: Xi (Irritant), C (Corrosive)
Safety Precautions:
Wear protective gloves, goggles, and a mask.
Avoid inhalation of dust; use in a well-ventilated area.
First Aid:
Skin/Eye Contact: Rinse with water for ≥15 minutes.
Inhalation: Move to fresh air; seek medical attention if symptoms persist.
Ingestion: Do NOT induce vomiting; rinse mouth and seek immediate medical help.
6. Storage & Handling
Storage: Keep in a cool, dry place, tightly sealed. Protect from moisture and light.
Shelf Life: 36 months when stored properly.
Handling: Avoid dust formation. Use non-sparking tools.
7. Packaging
Standard Packaging: 25 kg multi-wall paper bags with polyethylene liner.
Custom Options: Available upon request (e.g., fiber drums, bulk containers).
8. Disposal
Dispose of in accordance with local/national regulations. Avoid releasing into the environment.
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Richard Han
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