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Potassium hydrogen fluoride

Description References
Product Name
Potassium hydrogen fluoride
CAS No.
7789-29-9
Chemical Name
Potassium hydrogen fluoride
Synonyms
POTASSIUM BIFLUORIDE;POTASSIUM HYDROGEN DIFLUORIDE;K(HF2);NA 1811;en difL;Potassium hydrog;Potassium hydrogen f;Kaliumhydrogenfluorid;bifluoruredepotassium;potassiumacidfluoride
CBNumber
CB8854344
Molecular Formula
F2HK
Formula Weight
78.1
MOL File
7789-29-9.mol
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Potassium hydrogen fluoride Property

Melting point:
239 °C(lit.)
Density 
2.37 g/mL at 25 °C(lit.)
solubility 
insoluble in ethanol
form 
Crystals or Crystalline Powder
Specific Gravity
2.37
color 
White to light gray
Water Solubility 
39 g/100 mL (20 ºC)
Sensitive 
Hygroscopic
Merck 
14,7610
Exposure limits
ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3
InChI
InChI=1S/2FH.K/h2*1H;/q;;+1/p-1
InChIKey
VBKNTGMWIPUCRF-UHFFFAOYSA-M
SMILES
F.[K+].[F-]
CAS DataBase Reference
7789-29-9(CAS DataBase Reference)
NIST Chemistry Reference
Potassium hydrogen fluoride(7789-29-9)
EPA Substance Registry System
Potassium bifluoride (7789-29-9)
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Safety

Hazard Codes 
T,C
Risk Statements 
25-34
Safety Statements 
26-36/37/39-45-37-22
RIDADR 
UN 3421 8/PG 2
WGK Germany 
1
RTECS 
TS6650000
3
Hazard Note 
Corrosive
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
28261990
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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.

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

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
239283
Product name
Potassium hydrogenfluoride
Purity
99%
Packaging
25g
Price
$56.5
Updated
2024/03/01
Sigma-Aldrich
Product number
239283
Product name
Potassium hydrogenfluoride
Purity
99%
Packaging
2.5kg
Price
$313
Updated
2024/03/01
Sigma-Aldrich
Product number
60344
Product name
Potassium hydrogen difluoride
Purity
purum p.a., ≥99.0% (F)
Packaging
250G
Price
$71.6
Updated
2023/06/20
Sigma-Aldrich
Product number
60344
Product name
Potassium hydrogen difluoride
Purity
purum p.a., ≥99.0% (F)
Packaging
1KG
Price
$173
Updated
2023/06/20
Alfa Aesar
Product number
011557
Product name
Potassium hydrogen fluoride, 99+% (metals basis)
Packaging
500g
Price
$64.2
Updated
2023/06/20
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Potassium hydrogen fluoride Chemical Properties,Usage,Production

Description

Potassium hydrogen fluoride is used as an etchant to etch glass surface and it is used in the cleaning products. It is used as a fluorinating agent for fluorinated organic compounds, which could be applied as finishing agent for fabrics, components of extinguishing agents, electroplating bathes, lubricating oils, oxygen carriers in blood substitutes. For example, potassium hydrogen fluoride is used as fluorinating agent for ring opening of epoxides and cyclopropanes and in the synthesis of trifluoroborates from various organoborons. It may also serve as a fluoride ion source for the nucleophilic ring-opening reaction of epoxide.

References

[1] Gary A. Molander, David J. Cooper and Stephen W. Wright, Potassium Hydrogen Fluoride, e-EROS Encyclopedia of Reagents for Organic Synthesis, 2001
[2] Bernd Basner, Houben-Weyl Methods of Organic Chemistry Vol. E 10b/1, 4th Edition, 1999
[3] Francis I. Onuska and Francis W. Karasek, Open Tubular Column Gas Chromatography in Environmental Sciences, 1984
[4] Michael Howe, Wheel cleaning composition containing acid fluoride salts, Patent “US 5556833 A”, 1996
[5] Grzegorz Lewandowski, Egbert Meissner and Eugeniusz Milchert, Special applications of fluorinated organic compounds, Journal of Hazardous Materials, 2006, vol. 136, 385-391

Chemical Properties

WHITE TO LIGHT GREY CRYSTALS OR CRYSTALLINE POWDER

Uses

Potassium hydrogen fluoride is widely used as an etchant in glass and cleaning products. It finds an important application in the synthesis of special optical glass viz. crown and crown flint glass and as a catalyst for polymerization. It is involved in the manufacturing of wood preservatives, soldering agents and brazing. It is also used in the manufacturing of organic and inorganic fluorine compounds.

Uses

In the preparation of pure potassium fluoride; as an electrolyte in the manufacture of fluorine; frosting glass; treating coal to prevent slag formation; flux for silver solders; catalyst in the alkylation of benzene with olefins.

General Description

Colorless crystals, corrosive to tissues, etches glass.

Air & Water Reactions

Water soluble giving strongly acidic solutions.

Reactivity Profile

Acidic salts, such as Potassium hydrogen fluoride, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible.

Hazard

Corrosive to tissue.

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.

Safety Profile

A poison. Very corrosive and reactive. A corrosive irritant to the eyes, skin, and mucous membranes. When heated to decomposition it emits toxic fumes of F and K2O. See also FLUORIDES and HYDROFLUORIC ACID.

Purification Methods

It crystallises from water. It is very soluble in hot H2O and 41% at 21o. [Kwasnik in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 237 1963.]

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Potassium hydrogen fluoride Suppliers

WUHAN GEEYESCHEM CHEMICAL CO., LTD.
Tel
15927657268
Email
1916972268@qq.com
Country
China
ProdList
1756
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58
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-400-6206333 18521732826
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
25003
Advantage
65
wuhan geeyeschem chemical
Tel
027-18502765 18502765281
Email
3410849474@qq.com
Country
China
ProdList
1608
Advantage
58
Wuhan Jiyesheng Chemical Co., Ltd
Tel
13026156347
Email
727276903@qq.com
Country
China
ProdList
1746
Advantage
58
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24529
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44689
Advantage
61
Beijing Ouhe Technology Co., Ltd
Tel
010-82967028 13552068683
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12390
Advantage
60
Shanghai Mintchem Development Co., Ltd
Tel
021 6845 0923
Fax
0086 20 8234 8082
Email
fluorine@tatichem.com
Country
China
ProdList
38
Advantage
68
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View Lastest Price from Potassium hydrogen fluoride manufacturers

Yingke New Materials Co., Ltd
Product
Potassium bifluoride 7789-29-9
Price
US $0.00-0.00/BAG
Min. Order
1BAG
Purity
≥99%
Supply Ability
1000 Tons
Release date
2024-10-13
Hebei Yanxi Chemical Co., Ltd.
Product
Potassium hydrogen fluoride 7789-29-9
Price
US $30.00-9.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-10-11
Hebei Mojin Biotechnology Co., Ltd
Product
Potassium hydrogen fluoride 7789-29-9
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-09-20

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