Thiourea dioxide or thiox is an organosulfur compound that is used in the textile industry, photographic industry, leather processing industry and paper, pulp, and board industry. It functions as a reducing agent primarily used in the production of bleached recycled pulp. It's utilized in Bleaching of stone ground-wood and pressurized ground-wood. It has been used as a photographic toning agent, in hair preparations, as a dry cleaning agent, in the synthesis of and insecticides, in boiler water treatment, and as a reagent for bismuth and selenite ions.
Sales Specification
Appearance: White Crystal Powder
Purity: 99.0% Min
Thiourea Residual: 0.10% Max
Sulfate: 0.17% Max
Moisture: 0.05% Max
Iron: 0.001% Max
DOT Transportation
UN/NA: UN3341
Proper Shipping Name: Thiourea Dioxide
Hazard Class: 4.2
Packing Group: III
Packing
50 kg drum/ 18 drums per pallet
Supplier: Thiourea dioxide, formamidinesulfinic acid
Titanium Dioxide, E171, CAS No.13463-67-7, is a naturally occurring oxide of titanium, available as white powder. the naturally occurring oxide of titanium. It appears as a white powder and is often used as food coloring in cheese products, processed fruit, fat spreads, candy, etc. When used as a pigment, it is called titanium white. As an experienced Titanium Dioxide manufacturer and supplier, we has been supplying and exporting Titanium Dioxide for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Titanium Dioxide Specification ITEM STANDARD CHARACTERISTICS WHITE POWDER IDENTIFICATION D.PALE YELLOWISH COLOR AT HEATINGE. ORANGE-RED COLOR WITH H2O2F. VIOLET-BLUE COLOR WITH ZINC LOSS ON DRYING 0.23% LOSS ON IGNITION 0.18% WATER SOLUBLE SUBSTANCE 0.36% ACID SOLUBLE SUBSTANCE 0.37% LEAD 10PPM MAX ARSENIC 3PPM MAX ANTIMONY
TDO is a new kind of reducing agent that used as exchange of sodium hydrosulfite. It is widely used in textile and paper making industry. This product is also used in leather processing industry, paper, pulp and board industry, photographic industry, bleaching and reducing agents. This product is also a component of decolorisation agents. In macromolecule material industry, it is used as catalysis agent and stabilizer of resinic producing, and it is also used in organic synthesization of sensitizing material, and medicine, medical, spicery materials in fine chemicals, and also can be applied in the recycling and separating of heavy metals. 25KG BAGS
Hongye Chemical Co., Ltd is the leading professional manufacturer and supplier of Thiourea Dioxide and pulp bleaching agent FAS. We can produce 50000MT Thiourea Dioxide(Formamidine sulfinic acid) &pulp bleaching agent FAS. TDO is a new kind of reducing agent that used as exchange of sodium hydrosulfite. It is widely used in textile and paper making industry. This product is also used in leather processing industry, paper, pulp and board industry, photographic industry, bleaching and reducing agents. This product is also a component of decolorisation agents. In macromolecule material industry, it is used as catalysis agent and stabilizer of resinic producing, and it is also used in organic synthesization of sensitizing material, and medicine, medical, spicery materials in fine chemicals, and also can be applied in the recycling and separating of heavy metals. Physical & Chemical Features Byname: Formamidine Sulfinic Acid Molecular Formula:£¨NH2£©2CSO2 PH 4 £¨1% Solution£© CAS NO. 1758-73-2 or 4189-44-0 UN NO:3341 Dangerous Goods Class:4.2 Specification: Purity: 99.%Min Thiourea: 0.10%Max Moisture:0.05%Max Iron(Fe):10ppm Max Sulphate: 0.17%Max. 25kg bags.
S.N CAS No. Item 1 100-21-0 Terephthalic acid 2 67763-03-5 Silsesquioxanes 3 9003-01-4 Acrylic acid 4 1333-86-4 Carbon black 5 80-62-6 Methyl methacrylate 6 61788-97-4 Haloperidol 7 75-38-7 1,1-difluoroethylene 8 100-42-5 Styrene 9 9002-84-0 Poly(tetrafluoroethylene) 10 124-04-9 Adipic acid 11 107-21-1 Ethylene glycol 12 126-30-7 Neopentyl glycol 13 85-44-9 Phthalic anhydride 14 106-89-8 Epichlorohydrin 15 9003-08-1 Amino resin 16 9006-03-5 Chlorinated rubber 17 13463-67-7 Titanium dioxide 18 12227-89-3 Iron Oxide Black 19 922-67-8 Methylpropiolate 20 538-24-9 Trilaurin 21 9011-05-6 Urea formaldehyde 22 79-41-4 Methacrylic acid 23 1314-13-2 Zinc oxide 24 80-05-7 Bisphenol A 25 121-91-5 Isophthalic acid
Commodity: Sodium Hydrosulfite Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate CAS No.: 7775-14-6 Molecular Weight: 174.10 Chemical Formula: Na2S2O4 Product Description Appearance: White, crystalline powder. Product Feature Odor: Slight irritative. Specific Gravity: Unavailable Solubility: Soluble in water. Density: 2.19 pH: 6-7 pH Test-Method: PH test paper. % Volatiles by volume @ 21C (70F): 0 Boiling Point: Not applicable. Melting Point: >300 C Decomposes. Vapor Pressure (mm Hg): No information found. Bulk Density: ~0.9 Evaporation Rate (BuAc=1): No information found. Application 1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching . 2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps. 3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 4. in mineral, the compound of thiourea and other sulphides. 5. as reducing agent in chemical industry. 6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. Packaging 50kg/100kg net in iron drums with double PVC bags Product Specification/Models NDEX 90%, 88%, 85%. FOOD ADDITIVE Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal calculated as Pb, 1ppm Water Insolubles05% Shelf Life(month)12
Commodity: Sodium Bisulfite Molecular Formula: NaHSO3 Molecular Weight: 104.06 Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide. Quality Standard: HG/T3492-80 Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1 NaHSO3 % 99.5 Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05 Chloride(Cl) % 0.003, 0.004 Iron(Fe) % 0.001 0.002 0.005 Heavy metal(Pb) 0.001 Arsenic(As) % 0.0001 Clarity test Qualified Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants. Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc. Net wt.: 25/50/1000 kgs/bag or upon clients' request.
Commodity: Sodium bicarbonate Synonym: Baking Soda; Bicarbonate of soda; Sodium acid carbonate; Monosodium carbonate; Sodium hydrogen International CHEMTREC , carbonate; Carbonic acid monosodium salt Molecular formula:NaHCO3 Molecule Weight:84.01 H.S code:28363000 CAS:144-55-8 Characteristics: White powder or tiny crystalls, nodorousand salty, easily soluble in water,insoluble in alcohol, presenting slightly alkalinity, decomposed when heating. Decomposed slowly when exposed to moist air. Quality Standard Item The National Standard The Total Alkalinity Content(NaHCO3)% 99.0, 100.5 Loss on Dring% 0.20 PH Value(10g/1) Solution, 8.6 Arsentic Content% 0.0001 Heavy Metal Content, 0.0005 Ammonium Salt pass Clearness pass Uses: food fermentation, feed addive, detergent ingredient, carbon dioxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, extinguisher and metal heat-treating, fiber and rubber industry, etc. Packing:25kgs or 50kgs plastic woven bags lined with one layer polythene bag. (We can meet with all your demands according with your need.)
At Prefine Chemicals, we distribute top-tier Hydrochloric Acid and offer expert guidance to help you achieve optimal results. Our commitment to quality ensures you receive a reliable product you can depend on. EXCLUSIVE FEATURES Colourless and Corrosive liquid Stable even at high temperature Low Iron content APPLICATIONS Major Consuming Industries : Steel pickling and scale removal Water treatment Ore refining Food processing Manufacture of Chlorine Dioxide Activation of Petroleum wells Catalyst in Organic process Removal of heavy metal from Carbon Black and Activated Carbon Leaching Alumina from Crystalline Zeolities Hydrolyzing agent PACKAGING MS Rubber lined Road Tankers 35 kg Carboys for Export 265 kg HM - HDPE Barrels for Export MOQ 1x20'FCL SPECIFICATIONS Sr. No Characteristic Specifications 1 Hydrochloric Acid (as HCl) 30.00 % min 2. Iron (as Fe ) 1.00 max ppm 3. Free Chlorine & Bromine 0.0020 % max
