Identification and Related Records
- 【Name】
- Ammonium bromide
- 【Registry number】
- 12124-97-9 (CAS DataBase Reference)
- 【Synonyms】
-
Sulfamic acid,monoammonium salt
Ammonium Bromide, Granular, Reagent
Identifier
FR-11
- 【EINECS(EC#)】
- 235-183-8
- 【Molecular Formula】
- NH4Br (Products with the same molecular formula)
- 【Molecular Weight】
- 97.94
- 【Inchi】
- InChI=1/BrH.H3N/h1H;1H3
- 【InChIKey】
- SWLVFNYSXGMGBS-UHFFFAOYSA-N
- 【Canonical SMILES】
- [NH4+].[Br-]
12124-97-9.mol
Chemical and Physical Properties
- 【Appearance】
- white crystals
- 【Density】
- 2.429
- 【Melting Point】
- 452℃ (subl.)
- 【Boiling Point】
- 235℃
- 【Vapour】
- 5990mmHg at 25°C
- 【Water】
- 97 g/100 mL (25℃)
- 【Solubilities】
- 235oC
- 【Color/Form】
- CUBIC, COLLOIDAL CRYSTALS
WHITE CRYSTALS OR GRANULES
COLORLESS CRYSTALS OR YELLOWISH-WHITE CRYSTALLINE MASS
- 【Stability】
- Stable. Incompatible with acids, bromine trifluoride, bromine trichloride, most common metals.
- 【Storage temp】
- Store at RT.
- 【Spectral properties】
- INDEX OF REFRACTION: 1.712 @ 25 DEG C
- 【Computed Properties】
- Molecular Weight:97.94246 [g/mol]
Molecular Formula:BrH4N
H-Bond Donor:1
H-Bond Acceptor:1
Rotatable Bond Count:0
Exact Mass:96.952712
MonoIsotopic Mass:96.952712
Topological Polar Surface Area:1
Heavy Atom Count:2
Formal Charge:0
Complexity:0
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:2
Safety and Handling
- 【Hazard Codes】
- Xi:Irritant
- 【Risk Statements】
- R36
- 【Safety Statements 】
- S24/25
- 【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.
- 【Sensitive】
- Hygroscopic
- 【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
- 【Report】
-
Reported in EPA TSCA Inventory.
Use and Manufacturing
- 【Use and Manufacturing】
- Methods of Manufacturing
PASSAGE OF BROMINE IN AQUEOUS SOLUTION OVER IRON FILINGS FORMING A SOLUTION OF FERRIC & FERROUS BROMIDE, WHICH IS THEN TREATED WITH AMMONIA
GMELIN'S, AMMONIUM (8TH ED) 23, 203-218 (1936); RICHARDS, "AMMONIUM BROMIDE" IN MELLOR'S VOL VIII, SUPPLEMENT I, NITROGEN (PART 1) 433-447 (1964).
ACTION OF HYDROBROMIC ACID ON AMMONIUM HYDROXIDE WITH SUBSEQUENT CRYSTALLIZATION. GRADES: TECHNICAL; PURE; CP; NF.
Reaction of ammonia & hydrobromic acid or, more economically, by the reaction of ammonia and bromineU.S. Exports
(1972) ND
(1975) ND
(1986) NDU.S. Imports
(1972) ND
(1975) ND
(1986) NDU.S. Production
(1972) ND
(1975) ND
(1986) ND
- 【Usage】
-
Process engraving & lithography, fireproofing of wood, corrosion inhibitors.
Biomedical Effects and Toxicity
- 【Therapeutic Uses】
- .../SRP: FORMERLY/ USED AS ANTICONVULSANTS AND SEDATIVE... /BROMIDES/
- 【Biomedical Effects and Toxicity】
- ...BROMIDE SALTS ARE RAPIDLY ABSORBED FROM LOWER PART OF SMALL INTESTINE. ... BROMIDE IS WIDELY DISTRIBUTED THROUGHOUT EXTRACELLULAR FLUIDS INCLUDING SECRETIONS & TRANSUDATES. ...NOT FOUND IN FAT OR BLOOD PROTEINS. ... RENAL EXCRETION OF BROMIDE IS VERY SLOW. /BROMIDES/
China
United States
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