Substance profile
Ammonium Bromide
Ammonium Bromide is white tetragonal crystals and is odorless.
01 · Identification
What Ammonium Bromide is
Ammonium Bromide is white tetragonal crystals and is odorless. Its molecular formula is BrH4N and its molecular weight is 97.94 g/mol. It boils at 235 °C, melts at 452 °C.
Under the GHS it carries the signal word Danger.
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H360FD | May damage fertility. May damage the unborn child. |
| H362 | May cause harm to breast-fed children. |
| H336 | May cause drowsiness or dizziness. |
| H372 | Causes damage to organs <or state all organs affected, if known> through prolonged or repeated exposure <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H319 | Causes serious eye irritation. |
Precautionary statements: P260, P264, P270, P280, P305, P313, P314, P337, P338
03 · Physical and chemical properties
Ammonium Bromide properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 235 °C (455 °F) | in vacuum | HSDB |
| 235 °C (455 °F) | at 760 mmHg | DOE PAC | |
| 396 °C (744.8 °F) | sublimes, sublimation point | HSDB | |
| Melting point | 452 °C (845.6 °F) | DOE PAC | |
| 542 °C (1007.6 °F) | decomposes, decomposes | HSDB | |
| Sublimes without melting (USCG, 1999) | sublimes | CAMEO | |
| Density | 2.429 g/cm³ | at 20 °C | CAMEO |
| 2.429 g/cm³ | at 25 °C | HSDB | |
| Solubility | Freely soluble in methanol, ethanol, acetone; slightly soluble in ether; practically insoluble in ethyl acetate | HSDB | |
| In water, 78.3 g/100 g water at 25 °C | at 25 °C | HSDB | |
| Soluble in acetone, ether, ammonia, in water, 97 g/100 cc at 25 °C, 145.6 g/100 cc at 100 °C; in alcohol, 10 g/100 cc at 78 °C | at 25 °C | HSDB | |
| Vapor pressure | 1 mmHg | at 198.3 °C | HSDB |
| Autoignition temperature | Not flammable (USCG, 1999) | CAMEO |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Ammonium Bromide
Storage conditions
Keep well closed.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Strong oxidizing agents, strong acids, strong bases, heavy metals, silver salts, potassium.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
Bromine trifluoride reacts explosively with AMMONIUM BROMIDE [Mellor 2 Supp. 1:165 1956].
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Ammonium Bromide in the storage compatibility matrix →