Sodium Fluoride

Formula: NaF
CAS NO.:7681-49-4
M.W.: 41.99
Properties: It is a white powder or crystal. Its relative density is 2.558, m.p. 993°Cand b.p. 1704°C. It is insoluble in ethanol and has toxic. Its aqueous solution will etch glass.

Specification:(%)
Toothpaste-grade High-grade First-grade
NaF 98.5 min. 98.0 min. 98.0 min
Water-insoluble matter 0.1 max 0.5 max 0.7 max
Free acid (HF) 0.1 max 0.2max 0.2 max
Free base (Na2CO3) 0.1 max 0.2max 0.5 max
Sulfate (SO4) 0.2 max 0.3 max 0.3 max
Silicate (SiO2) 0.5 max 0.4 max 0.5 max
H2O 0.5 max 0.5max 0.5 max
Heavy metal (Pb) 0.005max
Fe 0.005max
As 0.0005max

Application: It is used in welding flux, toothpaste additive, preservative, bactericide, slagging medium of metallurgy, adhesive, papermaking and construction industry.

Storage: Store in seal Hermetically.

Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.

Ammonium Fluoride

Formula: NH4F
CAS NO.:12125-01-8
M.W.37.04

Properties: It is a white crystal with corrosive to skin and toxic. It is soluble in water and methanol, slightly soluble in ethanol, insoluble in propanone and liquid ammonia. When it is in hot water decomposition will occur to release ammonia and ammonium bifluoride.

Specification (%):

Assay(NH4F) 95.0 min.
Residue on ignition 0.2 max.
Free acid(as HF) 1.0 max.
Free base(as NH4OH) Pass through tests
Fluorosilicate(as SiO2) 0.5 max.
Fe 0.01 max.
Heavy metal(as Cu) 0.006 max.

Application: It is used for extracting rare elements ,glass etchant, preservative and disinfector in timber and brewing,fibrous mordant and analytical reagent.

Storage: store at a dry ventilated place, avoid wetting.

Packing: 25Kg net, double plastic bags lined plastic woven sack.

Barium Fluoride

Formula: BaF2
CAS NO.:7787-32-8
M. W.: 175.34

Properties: It is a kind of white powder with relative density of 4.89. The melting point is 1355 and the boiling point is 2260. It is insoluble in water, slightly soluble in hydroflaoric acid and amonium chloride aqueous solution. It has toxic and may store in glass container.

Specification:(%)
High-grade First-grade
BaF2 99.0 min 98.0 min
Free acid(HF) 0.05 max 0.2 max
S 0.1 max 0.1 max
P 0.005 max 0.01 max
Pb 0.005 max 0.01 max
Hg 0.001 max 0.001max
H2O 0.15 max 0.15 max

Application: Preservative, enamel, optical glass and fibre, laser generator, coating and chemicals.

Storage: Store at dry place, prevent from wetting.

Packing: 25Kg net, double plastic bags lined plastic woven sack.

 

Strontium Fluoride

Formula: SrF2
CAS NO.:7783-48-4
M. W.: 125.62

Properties: White powder,relative density 4.24, m.p.1473, b.p. 2489,stable in air, soluble in hot hydrochloric acid, insoluble in hydrofluoric acid, ethanol or propanone. It decomposes in strong acid.

Specification:(%)
High-grade First-grade
SrF2 97.0min 96.0 min
BaF2(Ba) 0.5 max 2max
Chloride(Cl) 0.02 max 0.04 max
S 0.1 max 0.1 max
P 0.01 max 0.01 max
Hg 0.001 max 0.001max
CO2 0.4 max 0.4 max

Application: It is used in medicine, daily chemicals, electronic and optic industries, such as monocrystal for laser.

Storage: Store at a dry place with seal hermetically.

Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.

 

Lithium Fluoride

Formula: LiF
CAS NO.:7789-24-4
M.W. 25.94

Properties: It is a white powder, soluble in acid, hardly soluble in water, insoluble in methanol and propanone. Its relative density is 2.653. The melting point is 848. It reacts with HF to form LiHF2.

Specification:(%)

  High-grade First-grade
Assay(LiF) 99.0 min. 98.5 min.
Free acid(HF) 0.02 max. 0.02 max.
Sulfur(S) 0.06 max. 0.06 max.
Phosphor(P) 0.01 max. 0.01 max.
Mercury(Hg) 0.001max. 0.001max.
Iron(Fe2O3) 0.02 max. 0.02 max.
Moisture(H2O) 0.5 max. 0.5 max.
size(wet through 325 mesh) 95 min. 95 min.


Application: It is for enamel, nuclear industrial, optical glass and battery industry, also as desiccant and soldering flux.

Storage: Store with seal and damp proof.
S
Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.

Magnesium Fluoride

Formula: MgF2
CAS NO.:7783-40-6
M.W. 62.31

Properties: It is colourless cubic crystal or powder with toxic. The melting point is 1261. It is insoluble in water and alcohol, slightly soluble in dilute acid, soluble in nitric acid. It can be stored in glass containers.

Specification:(%)

MgF2(Based on drying ) 98 min.
Fe 0.05 max.
Ca 0.6 max.
SiO2 1.0 max.
Heavy metal(Pb) 0.02 max.
Sulphate(SO4) 0.2max.
H2O 2 max

Application: It is used in manufacture of ceramic, glass, flux of smelting magnesium, coating lenses and filter of optical intraments and so on.

Storage: Store at a cool and dry place hermetically.

Packing: 25Kg net, double plastic bags lined plastic woven sack.

Nickel Fluoride

Formula:NiF2.4H2O
CAS NO.:10028-18-9
M.W:168.70

Properties: It is a green powder with hygroscopic, soluble in water.

Specification:(%)
High-grade First-grade
Ni 34.4 min. 34.2 min.
F 22.3 max. 22.1 max.
Chloride(as Cl) 0.03 max. 0.05 max.
Sulfate(as SO4) 0.05 max. 0.10 max.
Cu 0.005 max. 0.01 max.
Fe 0.02 max. 0.02 max.
Zn 0.02 max. 0.05 max.

Application: It is used as fluridizer and hole-sealing agent of aluminium-alloy.

Storage: Store at a cool and dry place with seal hermetically

Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.

 

Potassium Fluoride(crystals)

Formula: KF
CAS NO.:7789-23-3
M.W.: 58.10

Properties: White crystals, deliquescent, relative density 2.418g/cm3, melting point 859°C, easier soluble in water, can soluble in HF and liquid ammonia, insoluble in mellow.

Specification:(%)

Assay(FK) 99 min.
HF 0.5 max.
K2CO3 0.2 max.
SiO2 0.5 max.
Cl 0.05 max.
Fe 0.005 max.
H2O 0.5 max.

Application: Glass etching. opticals glass making, preparation of catalyst of alkyl benzenes, and welding flux.

Storage: Store with seal hermetically

Packing: 25Kg net, PE-paper complex bags.

Cobalt Fluoride

Formula: CoF2.4H2O
CAS NO.:10026-17-2
M.W: 168.93

Properties: Garnet rhombic crystals or rose-red powder crystals, decomposed by heating to 200 , soluble in water, its specific gravity is 2.192.

Specification:(%) High-grade First-grade
Assay(as Co) 34 min. 33.5 min.
(as F) 22 max. 21.6 max.
Chloride(Cl) 0.01 max. 0.05 max.
Sulphate(SO4) 0.02 max. 0.1 max.
Fe 0.005max. 0.02 max.
Cu 0.005max. 0.01 max.
Zn 0.05 max. 0.05 max.
Ni 0.2 max. 0.3 max.
Heavy metal(Pb) 0.01 max. 0.02 max.

Application: Organic fluorization agent; hole-sealing agent of aluminium alloy.

Storage: Store hermetically.

Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.

Chromium Fluoride

Formula:CrF3.3H2O/CrF3.4H2O
CAS NO.:7788-97-8
M. W.:162.996/180.996

Properties: Chromium Fluoride is a green crystal powder with the specific gravity of 3.78. It is soluble in water and acid, but insoluble in alcohol .

Specification:(%)

  CrF3.3H2O CrF3.4H2O
Cr 30-31 27-28
Cl 0.05 max. 0.05 max.
SO4 0.03 max. 0.03 max.
Fe 0.05 max. 0.05 max.
Alkali and alkali-earth metal 0.80 max. 0.80 max.

Application: It is used in printing and dyeing of wool textile, preventing moth, putting colour for marble and hardening agent.

Storge: Store in seal and dry.

Package: Net 50kgs steel drum.

Sodium Bifluoride

Formula: NaHF2
CAS NO.:1333-83-1
M.W.:61.99

Properties: It is a white crystal with relative density of 2.08. It is soluble in water, but insoluble in alcohol. Its aqueous solution can etch glass. When heated sodium hydrogen fluoride decomposes into sodium fluoride and hydrogen fluoride .

Specification:(%)
High-grade First-grade
Assay(NaHF2) 99.0min. 98.0 min.
Water-insoluble matter 0.2max. 0.5 max.
Free acid(HF) 0.2 max. 0.2 max.
Cl 0.1 max. 0.1 max.
SO4 0.1 max. 0.1 max.
SiO2 0.3 max. 0.5 max.
H2O 0.2 max. 0.5 max.
Glanularity (through 325 M sieve) 3 max. 3 max.

Application: It is used as aseptic, glass etchant and flux of metal. It is also used for texture finishing of textile, insectproof treatment of leather and production of hydrogen fluoride.

Storage: Store at a dry place. Do not store with organic compounds together.

Packing: 25Kg net, pack sealed with drum or double plastic bags lined plastic woven sack.

 

Ammonium Bifluoride

Formula: NH4HF2
CAS NO.:1341-49-7
M. W.: 57.04

Properties: It is a colorless rhombus ,granular or flaky crystal, soluble in water, but hardly soluble in alcohol. Its stable liquor is acidity in dry condition. It decomposes in hot water and has poison.

Specification:(%)
High-grade First-grade
Assay(NH4HF2) 99.0 min. 98.0 min.
Ignition residue 0.2max. 0.2 max.
Sulfate(as SO4) 0.1 max. 0.1 max.
Cl 0.1 max. 0.2 max.
SiO2 0.5 max. 0.5 max.
Fe 0.05 max. 0.1 max.
Pb 0.05 max. 0.2 max.

Application: It is used as chemical reagent, glass etchant. aseptic and disinfector, screening agent, flux of metallurgy in fermenting industry .It is also used for pottery and magnesium alloy.

Storage: Store in a dry and clean storeroom. Strictly prohibit insolation and rain, prevent damaged.

Packing: 25Kg net, pack sealed, P.P. woven bags with double PE inners.

 

Potassium Bifluoride

Formula: KHF2
CAS NO.:7789-29-9
M. W.: 78.10

Properties: A colourless flake or granular crystals, deliquescent to release HF, soluble in water, insoluble in ethanol, its aqueous solution show acidity, toxic.

Specification:(%)
Assay(KHF2) 99.0 min.
HF 24.6-26
Sulfate(as SO4) 0.05 max.
Chloride(as Cl) 0.05 max.
Fluorosilicate(as SiO2) 0.5 max.
Fe 0.01 max.
Heavy metal(as Pb) 0.006 max.

Application: Glass etching, optical glass making, preparation of catalyst of alkyl benzenes, preversative and welding flux.

Storage: Store at dry place hermetically.

Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven bag or drum.

Potassium Fluoroaluminate

Formula: KAlF4
CAS NO.:13775-52-5
W.M.:142.07

Properties: White or slightly gray powder, slightly souble in water.

Specification:(%)

Al 16 min.
SO4 0.05 max.
SiO3 0.2 max.
Fe 0.01 max.
Pb 0.005 max.
H2O 1.5max.
Mesh size (through250mesh) 95 min.

Application: Used as insecticide, ceramics, glass industry etc.

Storage: Store at ventilating and dry place, prevent wet and
keep away from inorganic acid and food.

Packing: 25Kg net, double plastic bags lined plastic woven bag.