Ammonium hydrogen difluoride

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Ammonium hydrogen difluoride

Product Name: Ammonium hydrogen difluoride
CAS No.: 1341-49-7
Chemical Name: Ammonium hydrogen difluoride
Synonyms: AMMONIUM BIFLUORIDE;NH4HF2;Ammonium Biflouride;AMMONIUM HYDROGEN FLUORIDE;en fL;Flammon;ETCHING POWDER;Ammonium difluoride;AMONIUM BI FLUORIDE;acidammoniumfluoride
CBNumber: CB0273686
Molecular Formula: F2H5N
Formula Weight: 57.04
MOL File: 1341-49-7.mol

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Ammonium hydrogen difluoride Property

Melting point:: 125 °C(lit.)
Boiling point:: 230 °C
Density: 1,5 g/cm³
vapor pressure: 1 hPa (20 °C)
Flash point:: 238°C
storage temp.: Store at room temperature.
solubility: 630g/l
form: Solid
pka: 6.3[at 20 ℃]
Specific Gravity: 1.5
color: White
PH: 2 (5.7g/l, H2O, 20℃)
Odor: acidic odor
Water Solubility: 630 g/L (20 ºC)
Sensitive: Hygroscopic
Merck: 14,498
Exposure limits: ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3
Stability:: hygroscopic
InChIKey: KVBCYCWRDBDGBG-UHFFFAOYSA-N
CAS DataBase Reference: 1341-49-7(CAS DataBase Reference)
EPA Substance Registry System: Ammonium bifluoride (1341-49-7)

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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
TSCA: Yes
HazardClass: 8
PackingGroup: II
HS Code: 28261910
Hazardous Substances Data: 1341-49-7(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: AX1235
Product name: Ammonium Bifluoride
Purity: Practical
Packaging: 500g
Price: $113
Updated: 2024/03/01

Sigma-Aldrich

Product number: AX1235
Product name: Ammonium Bifluoride
Purity: Practical
Packaging: 12kg
Price: $624
Updated: 2024/03/01

Sigma-Aldrich

Product number: 224820
Product name: Ammonium hydrogen difluoride
Purity: reagent grade, 95%
Packaging: 25g
Price: $59.9
Updated: 2024/03/01

Sigma-Aldrich

Product number: 224820
Product name: Ammonium hydrogen difluoride
Purity: reagent grade, 95%
Packaging: 2.5kg
Price: $526
Updated: 2024/03/01

Alfa Aesar

Product number: 014660
Product name: Ammonium hydrogen fluoride, tech. 95%
Packaging: 500g
Price: $56.4
Updated: 2023/06/20

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Ammonium hydrogen difluoride Chemical Properties,Usage,Production

Chemical Properties

Ammonium bifluoride.

Chemical Properties

white scales or flakes, also referred to asammonium hydrogen fluoride, anunonium difluoride and anunonium acid fluoride.

Physical properties

Orthorhombic or tetragonal crystals; etches glass; deliquescent; density 1.50 g/cm3; refractive index 1.390; melts at 125.6°C; very soluble in water; slightly soluble in alcohol.

Uses

Ammonium hydrogen fluoride is used as a chemical reagent in analysis and an antiseptic. It is also used in ceramics, electroplating, component of glass etchants as well as food processing equipment disinfectant. It acts as an intermediate in the production of hydrofluoric acid from hexafluorosilicic acid.

Uses

In manufacture of Mg and Mg alloys; in brightening of Al; for purifying and cleansing various parts of beer-dispensing apparatus, tubes, etc., sterilizing dairy and other food equipment; in glass and porcelain industries; as mordant for aluminum; as a "sour" in laundering cloth. In lab production of HF.

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].

Hazard

Corrosive to skin.

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.

Flammability and Explosibility

Non flammable

Safety Profile

Caustic poison and strong irritant by all routes. See also HYDROFLUORIC ACID. When heated to decomposition it emits very toxic fumes of F-, NO,, and NH3.

Potential Exposure

It is used as a sterilizer, in dairy and brewery operations; in the ceramic, glass, and electroplating industries; as a laundry sour.

Shipping

Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. In the presence of moisture corrodes concrete, metals, glass.

Waste Disposal

May be buried in a specially designated chemical landfill. Aqueous wastes may be reacted with an excess of lime followed by lagooning and either recovery or land disposal of the separated calcium fluoride.

Ammonium hydrogen difluoride Preparation Products And Raw materials

Raw materials

Congo Red Ammonium hydroxide Hydrogen fluoride Ammonia

Preparation Products

Fluorine fluxing agent

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Ammonium hydrogen difluoride Suppliers

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View Lastest Price from Ammonium hydrogen difluoride manufacturers

Hebei Jingbo New Material Technology Co., Ltd

Product: Ammonium hydrogen difluoride 1341-49-7
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 97%
Supply Ability: 100000
Release date: 2023-12-04

Hebei Guanlang Biotechnology Co,.LTD

Product: Ammonium hydrogen difluoride 1341-49-7
Price: US $100.00-50.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2023-07-21

Hebei Guanlang Biotechnology Co., Ltd.

Product: Ammonium hydrogen difluoride 1341-49-7
Price: US $9.90/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2021-09-29

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