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Ammonium hydrogen difluoride

CAS No.1341-49-7
Chemical Name:Ammonium hydrogen difluoride
Synonyms:NH4HF2;Flammon;ETCHING POWDER;Ammonium difluoride;AMMONIUM BIFLUORIDE;AMONIUM BI FLUORIDE;acidammoniumfluoride;ammoniumhydrofluoride;AMMONIUM ACID FLUORIDE;AmmoniumBifluoridePure
CBNumber:CB0273686
Molecular Formula:F2H5N
Formula Weight:57.04
MOL File:1341-49-7.mol
Ammonium hydrogen difluoride Property
mp : 125 °C(lit.)
bp : 230 °C
density : 1,5 g/cm3
Fp : 238°C
Water Solubility : 630 g/L (20 ºC)
Sensitive : Hygroscopic
Merck : 14,498
CAS DataBase Reference: 1341-49-7(CAS DataBase Reference)
EPA Substance Registry System: Ammonium fluoride ((NH4)(HF2))(1341-49-7)
Safety
Hazard Codes : T,C
Risk Statements : 25-34
Safety Statements : 22-26-37-45-36/37/39
RIDADR : UN 1727 8/PG 2
WGK Germany : 1
RTECS : BQ9200000
F : 3-9
Hazard Note : Toxic/Corrosive/Hygroscopic
HazardClass : 8
PackingGroup : II
Hazardous Substances Data: 1341-49-7(Hazardous Substances Data)

Ammonium hydrogen difluoride Chemical Properties,Usage,Production

Chemical Properties
white scales or flakes
General Description
Ammonium bifluoride solution is the white crystalline solid dissolved in water. Ammonium hydrogen difluoride is corrosive to metals and tissue. Ammonium hydrogen difluoride is used in ceramics.
Air & Water Reactions
Dissolves in water and forms a weak solution of hydrofluoric acid.
Reactivity Profile
AMMONIUM BIFLUORIDE reacts violently with bases. In presence of moisture will corrode glass, cement, and most metals. Flammable hydrogen gas may collect in enclosed spaces. Do not use steel, nickel, or aluminum containers [USCG, 1999].
Health Hazard
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Fire Hazard
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.
Ammonium hydrogen difluoride Preparation Products And Raw materials
Raw materials
Direct Red 28 Ammonium hydroxide Hydrofluoric acid Ammonia
Preparation Products
Fluorine fluxing agent
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1341-49-7(Ammonium hydrogen difluoride)Related Search:
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ETCHING POWDER AMMONIUM BIFLUORIDE Ammonium difluoride AMMONIUM FLUORIDE, ACIDIC AMMONIUM ACID FLUORIDE AMMOMIUM FLUORIDE ACIDIC AMMONIUM HYDROGEN DIFLUORIDE AMMONIUM HYDROGEN FLUORIDE 1341-49-7 Analytical Reagents Analytical Chromatography Product Catalog General Use Puriss p.a. acidammoniumfluoride ammoniumbifluoride,solid ammoniumbifluoride,solution ammoniumfluoride((nh4)(hf2)) ammoniumfluoridecomp.withhydrogenfluoride(1:1) ammoniumfluoridecompwithhydrogenfluoride(1:1) ammoniumhydrofluoride ammoniumhydrogenbifluoride fluorureacided’ammonium(french) Ammonium fluoride, acid Ammonium hydrogen difluoride;Ammonium bifluoride; Ammonium fluoride, acid Ammonium bifluoride (NH4HF2) NH4HF2 AMMONIUM HYDROGENFLUORIDE REAGENT GRAD& AMMONIUM HYDROGEN FLUORIDE SCALES, TECHN AMMONIUM HYDROGENFLUORIDE, 99.999% AmmoniumBifluoridePure Ammonium hydrogen difluoride, extra pure, 95% H5F2N AMMONIUM BIFLUORIDE SOLUTION, 5% AQUEOUS AMMONIUM BIFLUORIDE TECHNICAL Ammoniumhydrogenfluoride,min.96%(contains3-4%NH4F) AMMONIUMBIFLUORIDE,FLAKE Ammonium hydrogen fluoride 98% FFHH4N Ammoniumhydrogenfluoride98% NH4FHF Industrial/Fine Chemicals AMONIUM BI FLUORIDE AMMONIUM BIFLUORIDE (controlled chemical) Inorganic Chemicals Inorganics Ammonium hydrogen fluoride, 95%, remainder mainly ammonium fluoride Ammonium hydrogen difluoride, tech. 95% Ammonium acidfluoride (po F) ammonium bifluoride ammonium hydrogen difluoride NH4FH Ammonium hydrogen difluoride, 98+% Ammonium hydrogen fluoride, tech. 95% Ammonium bifluoride, Etching powder Ammonium hydrogen difluoride, 95%, extra pure Ammonium hydrogenfluoride【F2H5N】 Flammon Ammonium hydrogenfluororide Ammonium hydrogen difluoride,Ammonium bifluoride, Etching powder
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