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Ammonium fluoride

Ammonium hydrogen fluoride Toxicity Chemical Properties Uses Production method Category Toxicity Acute toxicity Flammability and hazard characteristics Storage characteristics Extinguishing agent Professional standards

CAS No. 12125-01-8
Chemical Name: Ammonium fluoride
Synonyms: fluorekamonowy;fluoruroamonico;Ammoniumfluorde;Ammoniumfluorid;ammoniumfluorure;Ammonum fluoride;AMMONIUM FLUORIDE;AmmoniumFluorideGr;AmmoniumFluorideE.P.;Ammonuium fluororide
CBNumber: CB2677679
Molecular Formula: FH4N
Formula Weight: 37.04
MOL File: 12125-01-8.mol
Ammonium fluoride Property
Melting point : 98°C
Boiling point : 65°C/760mmHg
density : 1.11 g/mL at 20 °C
storage temp. : Store at RT.
solubility : H2O: 1 M at 20 °C, clear, colorless
PH: 6 (50g/l, H2O, 20℃)
Water Solubility : soluble
Sensitive : Hygroscopic
Merck : 14,522
Stability:: Stable. Incompatible with strong oxidizing agents, water, most common metals, strong bases, strong acids. Attacks glass.
CAS DataBase Reference: 12125-01-8(CAS DataBase Reference)
EPA Substance Registry System: Ammonium fluoride ((NH4)F)(12125-01-8)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes : T
Risk Statements : 23/24/25-41
Safety Statements : 26-45-1/2-36/37/39-39-36/37
RIDADR : UN 2505 6.1/PG 3
WGK Germany : 1
RTECS : BQ6300000
F : 3-9
TSCA : Yes
HazardClass : 6.1
PackingGroup : III
Hazardous Substances Data: 12125-01-8(Hazardous Substances Data)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P405 Store locked up.

Ammonium fluoride Chemical Properties,Usage,Production

Ammonium hydrogen fluoride
At room temperature, ammonium hydrogen fluoride appears as white or colorless orthorhombic crystal with slight sour. It is poisonous! It is slightly soluble in alcohol, easily soluble in cold water while subjecting to decomposition in hot water. Its aqueous solution is strongly acidic. It is obtained through the neutralization between the anhydrous hydrofluoric acid and ammonia. It can corrode glass and is corrosive to the skin. It can be used as a chemical reagent, glass etching agent (with participation of hydrofluoric acid), disinfectants and preservatives in fermentation industry, solvent for making metal beryllium via beryllium oxide and surface treatment agent of silicon steel sheet. It can also be used for the manufacturing of ceramics, magnesium alloy, the cleaning and scaling of boiler feed water systems and steam generating system as well as the acid treatment agent for oil sand. It is also used as the component of alkylation and isomerization catalyst.
The production process of ammonium hydrogen fluoride is generally first generating ammonium fluoride followed by further sending through hydrogen fluoride to generate ammonium hydrogen fluoride. If not properly managed, it will become a mixture of ammonium fluoride and ammonium hydrogen fluoride with ammonium fluoride being easily decomposed into ammonium hydrogen fluoride.
This information is edited by Xiongfeng Dai from Chemicalbook.
This product is toxic. The operator must wear protective equipment. See the remaining protective measures in the part of ammonium hydrogen fluoride.
Chemical Properties
It appears as colorless phyllodes or needle-like crystals and forms hexagonal columnar crystals after being subject to sublimation. It is easily deliquescent. It is easily soluble in water with aqueous solution being acidic. It is soluble in alcohol but insoluble in acetone and liquid ammonia.
It can be used as glass etching agent, the chemical polishing agent on the metal surface, preservatives and disinfectants of brewing and fiber mordant as well as for extracting rare metals.
It can be used as reagents for the analysis, masking agents and preservatives.
It can be applied to wood preservation, glass engraving and precipitation agent for the complexometric titration of the aluminum, extraction of rare elements as well as spot analysis of zirconium.
Production method
Liquid-phase method: to lead or plastic container, put certain amount of hydrofluoric acid. Cool water in the outer container and slowly introduce ammonia gas under stirring until the pH value of reaction solution reaches about 4. The reaction liquid further goes through cooling and crystallization, centrifugation, air drying to obtain ammonium fluoride products.
NH3 + HF → NHF
Toxic substances.
Grading toxic.
Acute toxicity
Intraperitoneal-rat LD50: 31 mg/kg; subcutaneous-Fox LDL0: 280 mg/kg.
Flammability and hazard characteristics
It release flammable ammonia gas upon thermal decomposition; in case of acid, it releases toxic hydrogen fluoride gas.
Storage characteristics
Treasury: ventilation, low-temperature and drying; store it separately from acids, bases, food and CLF3.
Extinguishing agent
Professional standards
TWA 2.5 mg (fluorine)/cubic meter; STEL 5 mg (fluorine)/cubic meter.
Chemical Properties
white crystals
ChEBI: A fluoride salt having ammonium (NH4+) as the counterion.
General Description
Ammonium fluoride is a white crystalline solid. Ammonium fluoride is soluble in water. Ammonium fluoride is noncombustible. Ammonium fluoride is corrosive to aluminum. Ammonium fluoride is used in chemical analysis, in brewing, and as a preservative for wood.
Air & Water Reactions
Dissolves in water and forms dilute solution of hydrofluoric acid. May corrode glass, cement, and most metals [USCG, 1999]. Water soluble.
Reactivity Profile
Salts, basic, such as Ammonium fluoride, are generally soluble in water. The resulting solutions contain moderate concentrations of hydroxide ions and have pH's greater than 7.0. They react as bases to neutralize acids. These neutralizations generate heat, but less or far less than is generated by neutralization of the bases in reactivity group 10 (Bases) and the neutralization of amines. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible.
Health Hazard
Inhalation of dust may cause irritation of respiratory system. Ingestion is harmful; readily soluble fluorides may be fatal if relatively small quantities are swallowed. Contact with eyes causes local irritation of the mucous membrane. Contact with skin may cause burns. High concs. of fluorine in the urine have been reported following skin contact.
Ammonium fluoride Preparation Products And Raw materials
Raw materials
Ammonium hydroxide Hydrofluoric acid Ammonia
Preparation Products
Mixed and compound fertilizer
Ammonium fluoride Suppliers      Global( 220)Suppliers     
Supplier Tel Fax Email Country ProdList Advantage
Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
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Secco work (Beijing) chemical technology co., LTD 010-69755668;
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12125-01-8(Ammonium fluoride)Related Search:
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Neutral ammonium fluoride Deprotection Fluoride Sources General Use Synthetic Reagents Puriss p.a. ACS Protection and Derivatization AMMONIUM FLUORIDE Analytical Chromatography Product Catalog Analytical Reagents 12125-01-8 Ammoniumfluorde ammoniumfluoride((nh4)f) ammoniumfluorure ammoniumfluorure(french) fluorekamonowy fluorured’ammonium(french) fluoruroamonico Ammonium fluoride 96+ % for analysis Ammonium fluoride solution AmmoniumfluorideACSwhitextl Ammonium fluoride;Ammonium fluoride 96+% for analysis Ammonum fluoride Ammonium fluoride hydrate AMMONIUM FLUORIDE SOLUTION SEMICONDUCTOR AMMONIUM FLUORIDE 0.5 M SOLUTION IN & AMMONIUM FLUORIDE, ACS AMMONIUM FLUORIDE SOLUTION, ~40% IN WATE R AMMONIUM FLUORIDE, 0.5 M SOLUTION IN MET HANOL AMMONIUM FLUORIDE EXTRA PURE AMMONIUM FLUORIDE R. G., REAG. ACS AMMONIUM FLUORIDE, 98+%, A.C.S. REAGENT AMMONIUM FLUORIDE TECHNICAL Ammonium fluoride, 99.99+% metals basis AmmoniumFluorideGr AmmoniumFluorideCrystalReagent AmmoniumFluoride40%SolutionInWater AmmoniumFluorideE.P. AmmoniumFluorideCrystalAcs/Reagent Ammonium fluoride, 96+% Ammonium fluoride, extra pure, 98+% H4FN Ammonium fluoride, for analysis ACS, 98+% AMMONIUM FLUORIDE REAGENT (ACS) NH4F Ammoniumfluoride,98+%(ACS) AMMONIUMFLUORIDE,40%,ELECTRONIC/CLEANROOMGRADE AMMONIUMFLUORIDE,CRYSTAL,REAGENT,ACS AMMONIUMFLUORIDE,CRYSTAL,TECHNICAL Industrial/Fine Chemicals Ammoniumfluorid Inorganic Chemicals Inorganics AMMONIUM FLUORIDE 40% SOLUTION Ammonium fluoride, ACS, 98.0% min Ammonium fluoride hydrate, Puratronic(R), 99.9975% (metals basis) Ammonium fluoride hydrate, Puratronic, 99.9975% (metals basis) A-B, Puriss p.a. ACS
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