Ammonium bromide
Ammonium bromide
CAS: 12124-97-9
Molecular Formula: BrH4N
Ammonium bromide - Names and Identifiers
| Name | Ammonium bromide |
| Synonyms | (NH4)Br Azanium bromide Ammonium bromide AMMONIUM BROMIDE ammonium bromide powder Ammonium bromide ((NH4)Br) Ammonium bromide, for analysis |
| CAS | 12124-97-9 |
| EINECS | 235-183-8 |
| InChI | InChI=1/BrH.H3N/h1H;1H3 |
Ammonium bromide - Physico-chemical Properties
| Molecular Formula | BrH4N |
| Molar Mass | 97.94 |
| Density | 2.43 g/mL at 25 °C (lit.) |
| Melting Point | 452 °C (lit.) |
| Boling Point | 396 °C/1 atm (lit.) |
| Water Solubility | 97 g/100 mL (25 ºC) |
| Solubility | H2O: 1M at20°C, clear, colorless |
| Vapor Presure | 1 mm Hg ( 198.3 °C) |
| Appearance | Powder/Solid |
| Specific Gravity | 2.429 |
| Color | White |
| Odor | Odorless |
| Merck | 14,505 |
| pKa | -1.03±0.70(Predicted) |
| PH | 5.0-6.0 (25℃, 50mg/mL in H2O) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Stable. Incompatible with acids, bromine trifluoride, bromine trichloride, most common metals. |
| Sensitive | Hygroscopic |
| Physical and Chemical Properties | Characteristics of colorless or white cubic crystal powder, salty taste. boiling point 235 ℃ relative density 2.429 solubility: soluble in water, alcohol, acetone, slightly soluble in ether. |
| Use | For the manufacture of photographic film emulsion, developer, used as wood preservative, water treatment and fire retardant Auxiliary |
Ammonium bromide - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R36 - Irritating to the eyes |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 2 |
| RTECS | BO9155000 |
| TSCA | Yes |
| HS Code | 28275900 |
| Toxicity | LD50 orally in Rabbit: 2714 mg/kg |
Ammonium bromide - Upstream Downstream Industry
Ammonium bromide - Nature
Open Data Verified Data
colorless rhombic crystals or white crystalline powders. Odorless and salty. d25 2.429, sublimation at 540 °c. Soluble in water and alcohol, slightly soluble in ether. Placed in the air slightly hygroscopic, and slightly decomposed, the precipitation of a small amount of bromine and yellow color. The pure state is stable to light and air. The aqueous solution is neutral or weakly acidic, and reacts with silver nitrate to form a light yellow silver bromide precipitate.
Last Update：2024-01-02 23:10:35
Ammonium bromide - Preparation Method
Open Data Verified Data
The use of liquid ammonia, bromine and water synthesis, activated carbon decolorization, filtration, evaporation, crystallization, drying.
Last Update：2022-01-01 09:04:37
Ammonium bromide - Use
Open Data Verified Data
It is used in the medical field as a sedative and in the treatment of epilepsy, etc. It can also be used for the titration analysis of copper in photographic film, photographic paper, photosensitive emulsifier, fire retardant in Wood Industry and analytical chemistry.
Last Update：2022-01-01 09:04:38
Ammonium bromide - Safety
Open Data Verified Data
- It is packed in a wooden barrel lined with a polyethylene plastic bag with a net weight of 20kg per barrel. Should be stored in a cool, dry, dark warehouse, the container should be sealed, should be Isolation with acid goods, transport to prevent rain and sun exposure, handling to light, prevent breakage of packaging. In case of fire, it can be suppressed by water and various fire-retardants.
- toxicity and protection: the role of systemic poisoning is weak, but to prevent intake, inhalation, avoid contact with the eyes and skin. If ingested, dizziness will occur, Nausea I if inhaled, Vomit will occur, if two cases occur should immediately call a doctor for treatment; If splash into the eyes, it should be immediately washed with plenty of fresh water for at least 20min and treated by a doctor. Touch the skin of this product, but also to use a large amount of water to rinse the contaminated clothes, shoes, etc. to wash before reuse. Under production conditions, the emission of bromide dust into the air should be prevented.
Last Update：2022-01-01 09:04:38
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Raw Materials for Ammonium bromide