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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
Ammonium fluoride
Ammonium fluoride
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
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Ammonium fluoride Properties

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
form 
Powder/Solid
color 
White
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)
SAFETY
  • 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)
Symbol(GHS):
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 price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.01164 Ammonium fluoride 12125-01-8 1EA $105 2017-11-08 Buy
Sigma-Aldrich 1.01164 Ammonium fluoride 12125-01-8 2EA $263 2017-11-08 Buy
Alfa Aesar 11568 Ammonium fluoride, ACS, 98.0% min 12125-01-8 1kg $187 2017-11-08 Buy
Alfa Aesar 11568 Ammonium fluoride, ACS, 98.0% min 12125-01-8 *5x1kg $788 2017-11-08 Buy
Strem Chemicals 93-0212 Ammonium fluoride, 98+% (ACS) 12125-01-8 500g $109 2017-11-27 Buy

Ammonium fluoride Chemical Properties,Uses,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.

Toxicity

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.

Uses

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

Category

Toxic substances.

Toxicity

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

Water

Professional standards

TWA 2.5 mg (fluorine)/cubic meter; STEL 5 mg (fluorine)/cubic meter.

Chemical Properties

white crystals

Definition

ChEBI: A fluoride salt having ammonium (NH4+) as the counterion.

Uses

Etching and frosting glass; as antiseptic in brewing beer; preserving wood; in printing and dyeing textiles; as mothproofing agent.

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( 229)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd. 		+86-0592-6210733
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Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
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Creasyn Finechem(Tianjin) Co., Ltd. 86-22-83945878，83945171，83945172
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3B Pharmachem (Wuhan) International Co.,Ltd. 86-21-50328103 * 801、802、803、804 Mobile:18930552037
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