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Send EmailAmmonium Bromide, Ammonium Bromatum, 12124-97-9
AMMONIUM BROMIDE – AMONYUM BROMÜR
CAS Number: 12124-97-9
EC Number (EINECS): 235-183-8
Molecular Formula: NH₄Br
Molecular Weight: 97.94 g/mol
Chemical Class: Inorganic ammonium salt (bromide)
SECTION 1: CHEMICAL IDENTITY AND DEFINITION
| Parameter | Information |
|---|---|
| Chemical Name (IUPAC) | Ammonium bromide |
| Other Names | Ammonium Bromatum, Ammonium Bromide, Ammonium Bromide Buffer |
| Chemical Formula | NH₄Br |
| Molecular Weight | 97.94 g/mol |
| CAS Number | 12124-97-9 |
| EC Number (EINECS) | 235-183-8 |
| Chemical Class | Inorganic ammonium salt (bromide) |
| Appearance | White, crystalline solid |
| Odor | Odorless |
| Taste | Salty, bitter |
| Physical State (20°C) | Solid (crystalline) |
| Hygroscopicity | Low |
SECTION 2: PHYSICAL PROPERTIES
| Property | Value |
|---|---|
| Appearance | White, crystalline solid |
| Odor | Odorless |
| Taste | Salty, bitter |
| Molecular Weight | 97.94 g/mol |
| Density (20°C) | 2.43 g/cm³ |
| Melting Point | ~452 °C (sublimes) |
| Boiling Point | Sublimes |
| Solubility in Water (20°C) | Highly soluble (~780 g/L) |
| Solubility in Water (100°C) | Very highly soluble |
| Solubility in Ethanol | Slightly soluble |
| Solubility in Methanol | Soluble |
| pH (5% solution) | 4.5 – 6.0 (slightly acidic) |
| Stability in Air | Stable; may cake in humid air |
| Hygroscopicity | Low |
SECTION 3: CHEMICAL PROPERTIES
| Property | Information |
|---|---|
| Chemical Formula | NH₄Br |
| Molecular Weight | 97.94 g/mol |
| Chemical Class | Inorganic ammonium salt (bromide) |
| Structure | Ammonium cation (NH₄⁺) and bromide anion (Br⁻) |
| pH (5% solution) | 4.5 – 6.0 (slightly acidic) |
| Stability | Stable under normal storage conditions |
| Thermal Decomposition | Sublimes at ~452°C; decomposes to NH₃ and HBr |
| Hygroscopicity | Low |
| Oxidation | Reacts with strong oxidizing agents; releases bromine (Br₂) |
| Incompatible Materials | Strong oxidizing agents, strong acids, strong bases, silver salts |
Chemical Structure:
NH₄Br
Ammonium Bromide
SECTION 4: APPLICATION AREAS
4.1. Photography
| Application | Function |
|---|---|
| Photographic Chemicals | Component in photographic developers |
| Emulsion Preparation | Bromide source in photographic emulsions |
| Silver Bromide Formation | Forms light-sensitive silver bromide (AgBr) |
4.2. Pharmaceutical and Medical
| Application | Function |
|---|---|
| Drug Preparation | In some pharmaceutical formulations |
| Sedative | Historically used as a sedative |
| Anticonvulsant | Neurological treatments (historical) |
4.3. Laboratory Reagent
| Application | Function |
|---|---|
| Analytical Chemistry | Bromide ion source |
| Buffer Solutions | Buffer preparation |
| Chemical Synthesis | Synthesis of other bromide compounds |
| Precipitant | Precipitation reactions |
4.4. Flame Retardants
| Application | Function |
|---|---|
| Flame Retardant Materials | Fire retardant formulations |
| Polymer Additive | Flame retardant additive for plastics and textiles |
4.5. Other Industrial Applications
| Application | Function |
|---|---|
| Water Treatment | Disinfection aid |
| Metal Plating | Electroplating baths |
| Adhesives | Some adhesive formulations |
SECTION 5: QUALITY SPECIFICATIONS (ANALYTICAL GRADE)
| Parameter | Specification (ACS / USP / Ph. Eur.) |
|---|---|
| Appearance | White, crystalline solid |
| Identification | Positive (Ammonium and Bromide tests) |
| Assay (NH₄Br) | 99.0 – 101.0% |
| pH (5% solution) | 4.5 – 6.0 |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.05% |
| Chlorides (Cl) | ≤ 0.01% |
| Bromate (BrO₃) | ≤ 0.001% |
| Iodide (I) | ≤ 0.01% |
| Sulfates (SO₄) | ≤ 0.01% |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Lead (Pb) | ≤ 2 ppm |
| Arsenic (As) | ≤ 3 ppm |
| Barium (Ba) | ≤ 0.01% |
| Iron (Fe) | ≤ 0.001% |
| Water Insoluble | ≤ 0.01% |
SECTION 6: MICROBIOLOGICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Total Aerobic Mesophilic Bacteria | ≤ 1,000 CFU/g |
| Yeast and Mold | ≤ 100 CFU/g |
| Salmonella spp. | Negative in 25g |
| Escherichia coli | Negative in 10g |
SECTION 7: STORAGE AND SHELF LIFE
| Parameter | Information |
|---|---|
| Storage Conditions | Cool (15-25°C), dry, well-ventilated area |
| Container Requirements | Tightly closed, original packaging |
| Protect From | Moisture, light, strong oxidizing agents, strong acids |
| Shelf Life | 36-60 months (unopened original packaging) |
SECTION 8: PACKAGING OPTIONS
| Packaging Type | Quantity | Material |
|---|---|---|
| PE-lined kraft paper bag | 25 kg | Kraft paper + PE |
| Plastic pail | 20-25 kg | HDPE |
| Fiber drum | 25-50 kg | HDPE + PE |
| Glass bottle | 100-500 g | Amber glass |
| Aluminum foil bag | 1-5 kg | Laminated aluminum |
SECTION 9: SAFETY AND HEALTH INFORMATION
GHS Classification (Bulk Powder)
| Hazard Class | Category |
|---|---|
| Acute Toxicity (Oral) | Category 4 (H302) |
| Skin Irritation | Category 2 (H315) |
| Eye Irritation | Category 2A (H319) |
| Signal Word | Warning |
Hazard Statements (H-Codes)
| Code | Statement |
|---|---|
| H302 | Harmful if swallowed |
| H315 | Causes skin irritation |
| H319 | Causes serious eye irritation |
Precautionary Statements (P-Codes)
| Code | Statement |
|---|---|
| P261 | Avoid breathing dust |
| P280 | Wear protective gloves/eye protection |
| P301+P312 | IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell |
| P302+P352 | IF ON SKIN: Wash with plenty of soap and water |
| P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do; continue rinsing |
SECTION 10: TOXICOLOGICAL INFORMATION
| Parameter | Value |
|---|---|
| Oral LD50 (Rat) | ~1,500 mg/kg |
| Dermal LD50 (Rabbit) | > 2,000 mg/kg |
| Skin Irritation | Irritant |
| Eye Irritation | Irritant |
| Carcinogenicity | Not classified |
| Mutagenicity | Negative in standard tests |
| Target Organs | Skin, eyes, respiratory system |
SECTION 11: FIRST AID MEASURES
| Exposure Route | Action |
|---|---|
| Inhalation | Move to fresh air. If respiratory irritation persists, seek medical attention. |
| Skin Contact | Wash with plenty of soap and water. Remove contaminated clothing. |
| Eye Contact | Rinse immediately with plenty of water for at least 15 minutes. Seek medical attention. |
| Ingestion | Rinse mouth. Do not induce vomiting. Seek medical attention. |
SECTION 12: REGULATORY STATUS
| Region / Authority | Status |
|---|---|
| European Union | REACH registered |
| USA (EPA) | Listed |
| Turkey | Registered; subject to KKDİK regulations |
SECTION 13: TRANSPORT INFORMATION
| Parameter | Information |
|---|---|
| UN Number | Not regulated (not dangerous goods) |
| Hazard Class | Not applicable |
| Packing Group | Not applicable |
| ADR/RID | Not regulated |
| IMDG Code | Not regulated |
| IATA (Air) | Not regulated |
| Marine Pollutant | No |
SECTION 14: FIRE-FIGHTING MEASURES
| Parameter | Information |
|---|---|
| Fire Hazard | Non-combustible (inorganic salt) |
| Suitable Extinguishing Media | Water spray (mist), CO₂, dry chemical powder |
| Specific Hazards | When heated, emits toxic fumes (ammonia, hydrogen bromide) |
| Decomposition Products | NH₃, HBr, NOx |
| Protective Equipment | Self-contained breathing apparatus (SCBA), full protective clothing |
SECTION 15: ACCIDENTAL SPILLAGE AND CLEANUP
| Parameter | Information |
|---|---|
| Personal Protection | Nitrile gloves, protective goggles, dust mask (N95) |
| Cleaning Methods | Collect mechanically (sweep or spatula) |
| Environmental Precautions | Prevent entry into drains, soil, and surface waters |
| Waste Disposal | According to local regulations; landfilling at licensed facilities |
SECTION 16: OTHER NAMES AND SYNONYMS
| Type | Name |
|---|---|
| Turkish Names | Amonyum Bromür, Amonyum Bromat, Amonyum Bromidum |
| English Names | Ammonium Bromide, Ammonium Bromatum |
| Chemical Names | Ammonium bromide, Ammonium bromate |
| CAS Number | 12124-97-9 |
| EC Number | 235-183-8 |
SECTION 17: SUMMARY AND CRITICAL NOTES
Product Summary
| Parameter | Value |
|---|---|
| Product | Ammonium Bromide |
| CAS Number | 12124-97-9 |
| Appearance | White, crystalline solid |
| Molecular Weight | 97.94 g/mol |
| Primary Function | Laboratory reagent, photographic chemical, flame retardant |
Critical Notes
-
High Solubility: Highly soluble in water (~780 g/L); slightly soluble in ethanol.
-
Sublimation: Sublimes at ~452°C; decomposes to NH₃ and HBr.
-
Slightly Acidic: 5% solution has pH 4.5-6.0; slightly acidic.
-
Photography: Used in photographic emulsions for silver bromide (AgBr) formation.
-
Flame Retardant: Used as flame retardant additive in polymers and textiles.
-
Medical Use: Historically used as a sedative and anticonvulsant.
-
Oxidizers: Reacts with strong oxidizing agents, releasing bromine (Br₂).
-
Stable: Stable under normal storage conditions; long shelf life.
-
Silver Salts: Precipitates with silver salts (AgBr).
-
Regulatory Status: REACH and KKDİK registered.
IMPORTANT DECLARATION: This Technical Data Sheet (TDS) is for informational purposes only and has been prepared based on available technical data. The user is responsible for determining the product's suitability for their specific application and for complying with all local, national, and international regulations. For complete safety, storage, use, transport, waste, and regulatory compliance information, refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.
