Ammonium bromide
- Iupac Name：azanium;bromide
- CAS No.: 12124-97-9
- Molecular Weight：97.94246
- Modify Date.: 2022-02-11 09:34
- Introduction: White odorless crystals or granules that become yellow upon exposure to air. Sinks and mixes in water.
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1. Names and Identifiers
- 1.1 Name
- Ammonium bromide
- 1.2 Synonyms
(NH4)Br ammonia-hydrogenbromide(1/1) Ammonium bromide ((NH4)Br) Ammonium bromide, for analysis Azanium bromide Flamex PA Flovan BU Fuzzicide Hydrobromic acid monoammoniate Spectrum XD 3899
- 1.3 CAS No.
- 12124-97-9
- 1.4 CID
- 25514
- 1.5 EINECS(EC#)
- 235-183-8
- 1.6 Molecular Formula
- BrH4N (isomer)
- 1.7 Inchi
- InChI=1S/BrH.H3N/h1H;1H3
- 1.8 InChkey
- SWLVFNYSXGMGBS-UHFFFAOYSA-N
- 1.9 Canonical Smiles
- [NH4+].[Br-]
- 1.10 Isomers Smiles
- [NH4+].[Br-]
2. Properties
- 3.1 Density
- 2.429
- 3.1 Melting point
- 452℃ (subl.)
- 3.1 Boiling point
- 235℃
- 3.1 Refractive index
- Index of refraction: 1.712 at 25 deg C
- 3.1 Vapour pressure
- 5990mmHg at 25°C
- 3.1 Precise Quality
- 96.95270
- 3.1 PSA
- 3.24000
- 3.1 logP
- 1.28200
- 3.1 Solubility
- 97 g/100 mL (25 oC)
- 3.2 Appearance
- white crystals
- 3.3 Storage
- Hygroscopic. Store under Nitrogen. Ambient temperatures.
- 3.4 Autoignition Temperature
- Not flammable (USCG, 1999)
- 3.5 Chemical Properties
- white crystals
- 3.6 Color/Form
- CUBIC, COLLOIDAL CRYSTALS
WHITE CRYSTALS OR GRANULES
COLORLESS CRYSTALS OR YELLOWISH-WHITE CRYSTALLINE MASS
- 3.7 Odor
- Odorless
- 3.8 PH
- Slightly acid to litmus
- 3.9 pKa
- -1.03±0.70(Predicted)
- 3.10 Water Solubility
- 235oC
- 3.11 Spectral Properties
- INDEX OF REFRACTION: 1.712 @ 25 DEG C
- 3.12 Stability
- Stable. Incompatible with acids, bromine trifluoride, bromine trichloride, most common metals.
- 3.13 StorageTemp
- Store at RT.
3. Use and Manufacturing
- 4.1 Definition
- ChEBI: An ammonium salt composed of ammonium and bromide ions in a 1:1 ratio.
- 4.2 General Description
- White odorless crystals or granules that become yellow upon exposure to air. Sinks and mixes in water.
- 4.3 Purification Methods
- It crystallises from 95% EtOH and is slightly hygroscopic. Ammonium bromide Preparation Products And Raw materials Raw materials
- 4.4 Usage
- A chemical used for its bromide ion
4. Safety and Handling
- 5.1 Hazard Codes
- Xi
- 5.1 Risk Statements
- R36
- 5.1 Safety Statements
- S24/25
- 5.1 Fire Hazard
- Special Hazards of Combustion Products: Material decomposes into N 2 and HBr or Br 2 under extreme temperatures.
- 5.2 Fire Fighting Procedures
- ATTACK FIRES FREELY WITH WATER. WATER SPRAY WILL EFFECTIVELY REDUCE FUME & IRRITANT GASES.
- 5.3 Formulations/Preparations
- Grades: Technical; Pure; C.P.; N.F.
/Available as/ technical photograde; -4 mesh particle size, 99.9% purity grade; 35-55% solution & 99%granular grades; dry technical, 38-45% solution grades; chemical pure, chemically very pure & ACS grades
- 5.4 WGK Germany
- 2
- 5.4 RTECS
- BO9155000
- 5.4 Report
-
Reported in EPA TSCA Inventory.
- 5.5 Safety
-
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.
- 5.6 Sensitive
- Hygroscopic
- 5.7 Toxicity
-
| 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. |
5. MSDS
2.Hazard identification
2.1 Classification of the substance or mixture
Eye irritation, Category 2
2.2 GHS label elements, including precautionary statements
| Pictogram(s) |  |
| Signal word | Warning |
| Hazard statement(s) | H319 Causes serious eye irritation |
| Precautionary statement(s) | |
| Prevention | P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. |
| Response | P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337+P313 If eye irritation persists: Get medical advice/attention. |
| Storage | none |
| Disposal | none |
2.3 Other hazards which do not result in classification
none
6. Other Information
- 6.0 Usage
- Ammonium bromide is often used as an intermediate source of bromide ion in laboratory processes and pharmaceutical preparations. It is most commonly used as an additive in the preparation of photographic films, fireproofing products and corrosion inhibitors. Ammonium bromide is widely utilized in the manufacture of photographic chemicals and emulsions. It is also used in pharmaceutical preparations. It finds application in fireproofing of wood and lithography.
- 6.1 Usage
- Corrosion inhibitors, manufacturing of photographic films, plates, paper, lithography, fireproofing of woodsAmmonium bromide is often used as an intermediate source of bromide ion in laboratory processes and pharmaceutical preparations. It is most commonly used as an additive in the preparation of photographic films, fireproofing products and corrosion inhibitors. Ammonium bromide is widely utilized in the manufacture of photographic chemicals and emulsions. It is also used in pharmaceutical preparations. It finds application in fireproofing of wood and lithography.
- 6.2 Usage
- Ammonium bromide is used in pharmaceuticals for its bromide ion. It is used for a variety of analytical chemistry applications. It is also used for photography in films, plates and papers; in fireproofing of wood; in lithography and process engraving and as corrosion inhibitors.
- 6.3 Merck
- 14,505
7. Computational chemical data
- Molecular Weight: 97.94246g/mol
- Molecular Formula: BrH4N
- Compound Is Canonicalized: True
- XLogP3-AA: null
- Exact Mass: 96.95271
- Monoisotopic Mass: 96.95271
- Complexity: 0
- Rotatable Bond Count: 0
- Hydrogen Bond Donor Count: 1
- Hydrogen Bond Acceptor Count: 1
- Topological Polar Surface Area: 1
- Heavy Atom Count: 2
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count: 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Isotope Atom Count: 0
- Covalently-Bonded Unit Count: 2
- CACTVS Substructure Key Fingerprint: AAADcYACAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
8. Question & Answer
-
The moles of each reactant will be calculated using the molar volume ( Vₘ ) of a gas at 298.15 K (25° C). Calculate the molar volume using the ideal gas law. The molar volume of a gas at 25° (298.15 K) is: Vₘ = RT/P = (8.314 L• kPa/K•mol × 298.15 K)/(100 kPa) = 24.79 L/mol to four significant fi...
-
In the following reaction, the salt C H X 3 N H X 3 B r C H X 3 N H X 3 B r is formed: C H X 3 N H X 2 + H B r ? C H X 3 N H X 3 B r C H X 3 N H X 2 + H B r ? C H X 3 N H X 3 B r In water this dissociates completely into C H X 3 N H X 3 X + C H X 3 N H X 3 X + and B r X ? B r X ? In my chemistry bo...
10. Realated Product Infomation
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