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| CAS No.: | 12124-97-9 |
|---|---|
| Name: | Ammonium bromide |
| Molecular Structure: | |
 |
|
| Formula: | NH4Br |
| Molecular Weight: | 97.96 |
| Synonyms: | Sulfamic acid,monoammonium salt;Ammonium Bromide, Granular, Reagent;Identifier;FR-11; |
| EINECS: | 235-183-8 |
| Density: | 2.429 g/cm3 |
| Melting Point: | 452 °C(lit.) |
| Boiling Point: | 49.2 °C at 760 mmHg |
| Solubility: | water: 1 M at 20 °C, clear, colorless |
| Appearance: | white crystals |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 22-24/25 |
| PSA: | 3.24000 |
| LogP: | 1.28200 |
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Chemistry
Molecular Structure:
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Molecular Formula: H4BrN
Molecular Weight: 97.9425
IUPAC Name: Dibromozinc
Synonyms of Ammonium bromide (cas no.12124-97-9): Ammonii bromidum ; Ammonium bromatum ; EINECS 235-183-8 ; HSDB 207 ; Hydrobromic acid monoammoniate ; Nervine ; UNII-R0JB3224WS ; Ammonium bromide ((NH4)Br)
CAS NO: 12124-97-9
Product Categories: Inorganic Chemicals ; Inorganics ; A-B, Puriss p.a. ACS ; Analytical Reagents for General Use ; Puriss p.a. ACS ; ACS GradeSynthetic Reagents ; Ammonium ; Essential Chemicals ; Routine Reagents ; Ammonium Salts ; AmmoniumMetal and Ceramic Science ; Inorganic Salts ; Salts ; Synthetic Reagents
Melting point: 452 °C
H bond acceptors: 1
H bond donors: 3
Enthalpy of Vaporization: 23.33 kJ/mol
Boiling Point: 49.2 °C at 760 mmHg
Vapour Pressure: 5990 mmHg at 25 °C
Uses
Ammonium bromide (cas no.12124-97-9) is used for photography in films, plates and papers;in corrosion inhibitors;in lithography and process engraving;in fireproofing of wood; and in pharmaceutical preparations.
Production
Ammonium bromide (cas no.12124-97-9) can be prepared by the reaction of ammonia with iron(II) bromide or iron(III) bromide, which may be obtained by passing aqueous bromine solution over iron filings.
2 NH3 + FeBr2 + H2O → 2 NH4Br + FeO
It can also be prepared by the action of hydrogen bromide on ammonia as following:
NH3 + HBr → NH4Br
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | intraperitoneal | 535mg/kg (535mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. | |
| mouse | LD50 | intraperitoneal | 559mg/kg (559mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. | |
| mouse | LD50 | oral | 2860mg/kg (2860mg/kg) | SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. |
| rat | LD50 | oral | 2700mg/kg (2700mg/kg) | SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(10), Pg. 57, 1989. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes of Ammonium bromide (cas no.12124-97-9): 
Xn,Xi
Risk Statements: 22-36/37/38
R22: Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 2
RTECS: BO9155000
Moderately toxic by ingestion and intraperitoneal routes. See also BROMIDES. When heated to decomposition it emits very toxic fumes of NOx, Br−, and NH3. Incompatible with BrF3; IF7; K.