|
|
|
MIDPOINT Chemical Company,INC.
|
|
| |
|
|
|
Sodium Fluorosilicate [ORDER]
Formulae: Na2SiF6
Molecular Weight: 220.26
UN. NO.: 2674
HAZARD CLASS:6.1
H.S. CODE:2826.2000
Physical chemistry properties: Colorless, odorless, poisonous and hygroscopic hexa-square crystal. Relative density is 2.679. either dissolvable substances, but undissolved in alcohol. Solubility is acid is larger than in water. Decomposed as fluoride and silicon oxide in alkali solution. Decomposed as Sodium fluoride and silicon fluoride over 300°C.
Usage: It can be used as white-adding reagent of porcelain enamel and glass, melt-supporting reagent, antiseptic of wood, insecticide in agriculture, moisture absorption reagent of acid tolerance cement, solidification matter of natural latex products, supplement of electrode posit trilateral of zinc-ferric nickel, filling substance of plastic. Also used in artificial cryolite, sodium fluoride production and medical industry and drinking water treatment.
Specification:
Na2Sif6 (based on dried basis) ≥99%
Dissociation acid (as HCl) ≤0.1%
Heavy metal (as Pb) ≤0.02%
Fe ≤0.02%
Water undissolvable substance ≤0.40%
Lost weight of 105°C dried ≤0.30%
Passing through 250/μm screen ≥90%
Packing: 25 kgs /50kgs p.p woven bag within plastic film.
↑TOP↑
--------------------------------------------------------------------------------
Potassium Fluorosilicate [ORDER]
Formulae: K2SiF6
Molecular Weight: 220.26
UN. NO.: 2655
HAZARD CLASS:6.1
H.S. CODE:2826.2000
PHYSICAL CHEMISTRY PROPERTIES: white crystalline or powder, inodorous and tasteless, it is weak acid ad has moisture absorption character. Relative density is 3.08 for hexa square crystal and 2.665 for cubic crystal ( 170C) . The solubility is small in water and dissolvable in hydrochloric acid. The solubility has a little increase with temperature increase. Alcohol undissolvable. Decomposed as potassium fluoride , silicic acid and hydrogen fluoride when it burned.
USAGE: It can be used as antiseptic of wood, assistant reagent in magnesium and aluminium smelted insecticide in agriculture, intermediate in organic synthesization, chemical reagent in analytical chemistry. Also used in antisepsis material , porcelain enamel, high quality welding rod production and mica synthesization.
Specification:
ITEM INDEX ITEM INDEX
K2SiF6 ≥99% H2O ≤0.5%
Fe ≤0.005% Fluoride(as Cl) ≤0.1%
Dissociation acid( as H2SiF6) ≤0.1% P2O5 ≤0.005%
Heavy metal(as Pb) ≤0.01% Passing through 80/μm ≥90%
SO42- ≤0.2% Water undissolvable substance ≤0.5%
Packing: 25kg p.p woven bag within plastic film.
↑TOP↑
--------------------------------------------------------------------------------
Magnesium Fluorosilicate[ORDER]
Formulae:MgSiF6?6H2O
Molecular Weight: 274.48
UN. NO.:2853
HAZARD CLASS:6.1
H.S. CODE:2826.9000
Physical chemistry properties: white rhombus or acicular crystal, odorless. Its density is 1.788, melting point is 120°C, may lose crystallize water by efflorescence, soluble in water, thin acid, insoluble alcohol thin soluble in silicofluoride. Its water solution appears acidity it can produce fluoride and silicon dioxide with alkali, poisonous.
Usage: it can improve the hardness and strength of concrete. It is excellent harden and waterproof matter, and insecticide.
Specification:
MgSiF6?6H2O ≥98%
MgSO4?7H2O ≤0.5%
H2SiF6 ≤0.2%
H2O ≤0.6%
Water undissolvable substance ≤0.25%
SiO2 ≤0.05%
MgF2 ≤0.15%
↑TOP↑
--------------------------------------------------------------------------------
Ammonium Fluosilicate [ORDER]
Formulae:(NH4)2SiF6
Molecular Weight:178.15
UN. NO.:2854
HAZARD CLASS: 6.1
H.S. CODE: 2820.9000
Description: colorless crystalline powder
Usage: used in brewery, glass etchant, moth repellant for textile, wood conserving agent; also used in metal casting, electroplating, extracting or producing artificial cryolite and ammonium fluoride, producing silicone catalyst.
Specification:
(NH4)2SiF6 ≥98%
H2SiF6 ≤0.3%
SO42- ≤0.6%
H2O ≤0.6%
Water undissolvable substance ≤0.5%
Packing: 25kg p.p woven bag within plastic film.
Storage: in cool and ventilated place.
↑TOP↑
--------------------------------------------------------------------------------
Sodium Fluoride [ORDER]
Formulae: NaF
Molecular Weight: 42
UN. NO.: 83015
H.S. CODE:2826.1100
Properties: White powder, soluble in water, slightly soluble in alcohol, poisonous. Uses: Be used as manufacture of enamel, vermin destroyer, rat poison; as insecticide, preservatives for wood and food, antiseptic in alcohol distillation.
Specification:
NaF content ≥ 98%
Moisture ≤0.5%
SO4 ≤0.1%
Water insolubles ≤0.7%
PH ≤0.1%
Sodium Carbonates ≤0.5%
SiO2 ≤0.5%
Packing: In bags of 25kg net each, with plastic lining. ↑TOP↑
--------------------------------------------------------------------------------
Potassium Fluoride [ORDER]
Formulae: KF
Molecular Weight: 58.10
UN. NO.:1812
HAZARD CLASS:6.1
DESCRIPTION: A colorless cubic with up to 300 mesh, easily deliquescence, density in range from 0.4 to 0.6. melting point on 858°C, dissolved in water, hydrofluoric acid and liquid ammonia.
APPLICATION: Be used as corrosive agent for glass, fusing agent in welding.
Specification:
ITEM Best grade Better grade
Purity ≥99.5% ≥99%
Chloride ≤0.005% ≤0.05%
Sulphate ≤0.02% ≤0.05%
Ferrous ≤0.002% ≤0.003%
Heavy metal ≤0.002% ≤0.003%
Free HF ≤0.05% ≤0.1%
Fluosilicate ≤0.02% ≤0.02%
Loss on drying ≤0.2% ≤0.3%
Packing: 25kg net box each, 17MT/ FCL. ↑TOP↑
--------------------------------------------------------------------------------
Magnesium Fluoride [ORDER]
Formulae:MgF2
Molecular Weight:62.31
UN. NO.:
H.S. CODE: 2826.1900
Description: white wquare crystalline Powder
Specification:
Cotent Sodium SiO2 Calcium SO42- Moisture
≥98% ≤ 0.1% ≤ 0.9% ≤0.1% ≤0.2% ≤0.5%
Usage: used as flux for melting of metal magnesium, additive for electroanalysis of aluminum, plating film of optic glass, finishing agent of titanium pigments, fluorescent material for cathode ray plate. Also used in ceramic and glasses industry and oxidizing material.
Package: 50kg per plastic lined knitting bag.
Production: 100Ton/Month ↑TOP↑
--------------------------------------------------------------------------------
Ammonium Fluoride [ORDER]
Formulae: NH4F
Molecular Weight:37.04
UN. NO.: 83015
H.S. CODE:2826.1100
Properties: White crystals powder, easily
deliquescing in air, soluble in water, readily
resolved in water, strong acidic in water,
poisonous, slightly soluble in alcohol.
Uses: Used as chemical reagent, class etchant, antiseptic.
Specification:
Content ≥98%
NH4HF2 ≤1%
CI ≤(CI(0．04%
SIO3 ≤(SiO3) 0.7%
Fe ≤(Fe) 0.005%
Packing: In bags of 25 kg net eash, with Plastic lining. ↑TOP↑
--------------------------------------------------------------------------------
Magnesium chloride [ORDER]
Formulae:MgCl2?6H2O
Molecular Weight:203.31
Properties:White flake and crystals, light yellow flakes or crystals, bitter taste, easily soluble in water.
Use:Metallurgy industry, used for producing refractory material and adhesion agent for building furnace wall, the raw materials of producing solvent and smelting magnesium. Chemical industry: mainly used for producing various magnesium salt as raw materials of dust prevention agent, antifreezer and fire retardant. Building.
Packing: polypropylene bag outside and polypropylene bag inside with firm stitch closure. Net weight 50kg/bag.
Specification:
MgCl2?6H2O ≥96%
Magnesium chloride ≥46%
SO42- ≤1.00%
Ca2- ≤0.14%
Metal magnesium(CL-) ≤0.60%
Water insoluble matter ≤0.20%
Color 50
↑TOP↑
--------------------------------------------------------------------------------
Arsenic Trioxide[ORDER]
Another name: arsenous anhydride; White arsenic
(Molecular) formula: As2O3
(Molecular) weight: 197.84
UN NO.: 1561
Hazard class NO.: 6.1
Pack Group: Ⅱ
Physical and chemical nature:
Odourless. White powder or crystal. Three crystal shapes: monoclinic crystal,cubic crystal and amorphous crystal. Among them, monoclinic crystal sublimates at 193°C,with a relative density of 4.15;of cubic crystal the relative density is 3.865;while amorphous crystal 3.738,has a melting point of 312.3°C.Arsenic trioxide dissolves a little in water and generates in to the relative acid. Monoclinic and cubic crystals dissolve in ethanol, acids and alkalis; amorphous crystal dissolves in acids and alkalis, but insolubilizes in ethanol,acids and alkalis;amorphous crystal dissolves in acids and alkalis,but insolubilizes in ethanol.The foreign matters contained in their industrial products are different, appearing subtle red, grey or yellow.
Usage:
Used to refine the element arsenic. It is the material for the smelting of arsenic alloy and the manufacture of semiconductor. In the glass industry it is used as a clarificant and a decolorant to improve the translucency of glass products. In the leather industry it is used to make sodium nitrite, a leather preservative. In agriculture it is used as a disinfectant and a rust inhibitor for insect prevention, and also the material of other arsenic-containing pesticides. Otherwise, it is applied in the manufacture of dyes and paints, gas desulfurization, wood corrosion prevention, boiler scale prevention and the production of ceramic and enamel. Also used as a chemical reagent.
Quality standard:
Index name
Index
First grade
Second grade Third grade
As2O3, % ≥
99.0
97.0
93.0
Whiteness, degree
70
55
30
Fineness,mesh(rate of passage≥98%
60
40
40
Package, storage and transportation:
Packed in a wood box lining with two layered firm paper containers or polyethylene plastic bags, binded with iron wires or sheets. The net weight per box is 50kg.On the package it should be clearly marked "deadly poisonous product".
It is an inorganic deadly poison, with a dangerous standard serial number:81008. It should be stored in an aeration-drying storehouse. The vessels must be sealed up and kept separate from edible materials, preserving it from damp air and leaking. It must be carefully supervised. After every use, all those present must change their clothes immediately, wash their hands thoroughly and avoid eating.
In case of fire, it can be put out by water and sandy loam.
↑TOP↑
--------------------------------------------------------------------------------
Zinc chloride[ORDER]
(Molecular) Formula: ZnCl2
(Molecular) Weight: 136.30
Physical and chemical nature:
White, hexagonal system, granular crystal or powder. The relative density is 2.91(25/4°C).The melting point is 283°C.The boiling point is 732°C.It dissolves easily in water, also in methanol, ethanol, glycerine, acetone and ether, but insolubilizes in liquid ammonia. With a strong hygroscopy, it will be deliquesced by absorbing water under the bare air. Otherwise, it can dissolve metal oxides and cellulose. Fused zinc chloride has a very good electric conduction. When scorched, it will generate a thick white smoke. It is corrosive and poisonous.
Usage:
In the organic synthetic industry it is used as the dehydrated agent, the condensate agent, and the catalyzer for the production of Vanillin, anti-inflammatory painkiller and cation exchange resin. Also used as the solvent of polypropylene. In the dyeing and weaving industry it is the material (solutizer for cotton fiber ) for the production of the sliver buckets and shuttle, improving the binding property of fiber. In the dye industry, as the stabilizing agent for azoic developed dyes it is applied in the production of the activated and cation dyes. Besides these, it is also the cleansing agent for petroleum. the activating agent for activated carbon, the fire retardant for hard cardboards and cloth products, and the welding agent for welding electrodes in eletroplates. In the metallurgy industry, it is applied in the production of aluminum alloy, light metal deacidification, and the proofing for metal surface oxide layer. It is also applied in the production of blueprints. Otherwise, it is used as battery electrolyte and the material for the production of zinc cyanide and non-fusible fire-extinguishing foam.
Quality standard:
Index name
Index
Model Ⅰ
Model Ⅱ
Model Ⅲ
Top-quality Products
First-rate products
First-rate products
Pass products
First-rate products
Pass products
Appearance
White powder or grain Clear water solution
ZnCl2,% ≥
96.0
94.7
94.7
93.0
40.0
40.0
Basic salt,%(calculated by zno)
1.6-2.0
1.6-2.0
≤2.0
≤2.0
0.65-0.85
Sulfate,%≤(Calculated by SO4
0.01
0.01
0.01
0.05
0.004
0.004
Ba,% ≤
0.1
0.1
0.1
0.2
0.04
0.04
Fe,% ≤
0.0005
0.0005
0.001
0.002
0.0002
0.0004
Heavy metal,%≤(calculated by pb)
0.0005
0.0005
0.001
0.002
0.0002
0.0004
Insolubilization in hydroch loric acid,% ≤
0.010
0.020
Zinc slice corrosion
by test
by test
by test
PH value
3-4
3-4
Package, storage and transportation:
Industrial solid zinc chloride be packed in a zinc -plate metal pail lining with a polythylene plastic pouch ,or in a plastic pail, a cardboard pail or a compound plastic braided bag lined with a polyethylene plastic pouch. The net weight per pail or bag is 50kg or 25kg.Industrial liguid zinc chloride should be packed in a plastic pail or a steel tank car painted with anticorrosive material (such as acid-resistant paint). On the package it should be marked clearly "Corrosive products". Store in an aeration -drying storehouse. Don't place in the open air. The vessels must be sealed up, preserving it from damp air. It should not be stored or transported with foods and feeds. During transportation it should be covered and kept away from the sunshine and rain. During loading and unloading it should be moved with great care, avoiding breakage, the storage duration of model Ⅰand model Ⅱ products which are packed in the zinc-plate metal pail, the cardboard pail or the plastic pail is six months, while in the compound plastic braided bag, two months. The storage duration of model Ⅲ product is two months. All times are calculated from the beginning of production.
In case of fire, it can be put out by water, sandy loam and all types of fire extinguishers.
↑TOP↑
--------------------------------------------------------------------------------
Zinc powder[ORDER]
Chemistry Expression: Zn
(Molecular) Weight: 65.38
Chemical Composition (%)
(Standard NO.GB6890-86)
FZn-1
FZn-2
FZn-3
FZn-4
Super fineness
Total Zinc ≥
98
96
Metallic Zinc ≥
94
95
92
94
Pb ≤
0.2
0.3
0.3
0.15
Fe ≤
0.2
0.1
??
0.02
Cd ≤
0.2
0.1
??
0.05
Acid Insoluble ≤
0.2
0.03
As ≤
0.0007
Cu ≤
0.003
Cl ≤
0.02
Moisture ≤
0.1
Screening residue +120 mesh % ≤
??
0
1.0
0
Screening residue +100 mesh % ≤
??
0.1
??
Screening residue + 325 mesh % ≤
??
3.0
??
Granularity Distributing 45µm ≤
99.8
??
??
Granularity Distributing10µm ≤
80
??
??
Granularity Distributing5µm ≤
15
Average gain size, µ ≤
2-4
Size through the scraper, µ ≤
40
PACKAGING:
Packed in a metal pail lining with a polyethylene plastic pouch, and lashed with a rope, the vessels must be sealed up. The net weight per pail is 100kg, 50kg, 40kg or 25kg. On the package it should be marked clearly "Dampproof".
Store in an aeration-drying storehouse, don't place in the open air. Preserving it from damp air. It should not be stored or transported with inorganic acid, tinder. It should be kept away from the sunshine and rain. During loading and unloading it should be moved with great care, avoiding breakage.
In case of fire, it can be put out by water, sandy loam and all types of fire extinguishers.
Usage:
Used for bottom paint in ship manufacture, coatings, dyestuff, metallurgy, chemicals and pharmaceuticals.
|
|
| |
|
|
|
Bookmark / Share this page