Ammonium hydrogen (CAS 1341-49-7)FC-106

Cas: 1341-49-7
Name: Ammonium hydrogen difluoride
Ammonium bifluoride;Ammonium Hydrogen Fluoride;

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    L/C、D/A、D/P、T/T、MoneyGram、Paypal other.
  • product origin:

    China Anhui
  • Color:

    White crystal slightly pungent smell
  • shipping port:

    White crystal, slightly pungent smell
  • Lead Time:

    15-25 Days
Product Detail

(CAS 1341-49-7)Ammonium hydrogen difluoride

Basic Information

Cas: 1341-49-7

Name: Ammonium hydrogen difluoride
Ammonium bifluoride;Ammonium Hydrogen Fluoride;
Molecular formula: F2H5N
Molecular weight: 57.04320
PSA: 3.24000
LOGP: 1.38930

Physical index

Appearance: White crystal, slightly pungent smell
Density: 1,5 g/cm3
Boiling point: 230 °C
Flash point: 238°C
Water solubility: 630 g/L (20 ºC)
Storage condition: warehouse ventilated and dry at low temperature, stored separately from alkali
Steam pressure: 19.4mmHg at 25°C

Security Information

RTECS number: BQ9200000
Safety instructions: S22-S26-S37-S45-S36/37/39
Hazard category code: R25; R34
WGK Germany: 1
Customs code: 2826191010
Dangerous goods transport code: UN 1727 8/PG 2
Hazard category: 8
Packing level: II
Dangerous goods mark: C
Hazard description: H301; H314
Signal word: Danger
Hazard prevention statement: P260; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338

Danger signs: GHS05, GHS06

Application instructions

Production method

The neutralization method is in a container made of lead or plastic, quantitatively pass the anhydrous hydrofluoric acid, mix it with the circulating mother liquor, cool it with cold water in the container jacket, and then slowly and intermittently circulate the liquid ammonia in a fine manner with constant stirring , Make it fully react. Congo red reagent is used to measure at any time during the operation. When the reagent is just brown as the end point, stop passing liquid ammonia. The reaction liquid is evaporated and concentrated until the liquid surface shows a crystalline film, and then cooled and crystallized, centrifuged to obtain a finished product of ammonium bifluoride, which is NH3+2HF→NH4HF2
Etching agent for carved glass, antiseptic, disinfectant, solvent for beryllium metal made of beryllium oxide, analytical reagent and surface treatment agent for silicon steel plate. It is also used for the production of ceramics and aluminum-magnesium alloy oxidants and the cleaning of boiler feed water system steam Reagents, organic synthetic fluorinating agents, electroplating solutions, reagents for extracting rare elements.

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