A new environmental-protection agent which can be used in place of sodium hydrosulfite, It has better thermal stability and stronger reducing ability. Operation is simple and effective,transportation and storage are convenient. There is no pollution during the use of thiourea dioxide.
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
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Thiourea is an organosulfur compound with the formula SC(NH2)2 . It is structurally similar to urea, except that the oxygen atom is replaced by a sulfur atom, but the properties of urea and thiourea differ significantly. Thiourea is a reagent in organic synthesis.
The main application of thiourea is in textile processing
Product Description :
The product is widely used in pharmaceutical industry, agricultural, chemicals, metallurgical industry, petroleum and so on. It is also main material for producing thiourea dioxide(CH4N2O2S)
Product origin : Zibo,Shandong,China
Price of product ( USD price or FOB price) : USD1.62/kg FOB Qingdao port,China
Key Specifications/Special Features :
Content of thiourea % 99.0Min.
Loss after heated % 0.40Max.
Ash content % 0.10Max.
Water insoluble matter % 0.02Max.
Sulforhodanide (With CNSÃ??) % 0.02Max.
Melting point (â??) 172Min.
Minimum Order Size and Packgaing details :
usually packed in 25kgs polywoven bags,stacked on pallets. Also can use FIBC (jumbo bags) upon buyer's request
HONGYE HOLDING GROUP CORPORATION LIMITED Can supply good quality thiourea.
Thiourea Applications
1. The main raw material of Thiourea dioxide.
2. Pharmaceutical raw material.
3. Used as rubber accelerator , floating agent , photo developing agent .
4. Used in resin compression molding powder electroplating blueprinting and boiler washing.
5.Bleaching agent in textile dyeing and printing, auxiliary of dyeing and anti-oxidant.
Specification:
Name: thiourea diocide
Appearance and odour: white crystal powder, odour less
Formula: (nh2)2cso2
Molecular weight : 108.12
Melting point: 126deg.C
Ph: 4(1%solution)
Cas no.: 1758-73-2 4189-44-0
Un no.: 3341
Dangerous goods class: 4.2
Specific gravity:1.68
Purity: 99.0% min.
Remain thiourea: 0.1% max
Moisture: 0.05% max
Iron(fe): 10ppm max.
Sulphate: 0.17% max.
Uses: it can be used as exchange of sodium hydrosulfite. The product has good heat stability, high as reducibility, easy operation and transportation and storage convenient and then used to organic synthes is in synthetic fiber industry, also used as additive of polythene sensitizer of photographical emulsion and so on. It is also used as reducing agent in printing and dyeing industry and used as pulp bleaching or de-inking of recycled fibers in the paper industry. There is no pollution during the operation.
Packing
1)500kg and 1000kg containning bags
2)100kg or 160kg drums
3)50kg fiber drums
4)25kg or 50kg plastic bags inner two layers
5) 25kg kraft paper compound plastic bag
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.
Item Coated Uncoated
Active oxygen Min 13% Min 13.5%
Bulk density 900-1100 900-1150
Moisture Max 2.0% Max 2.0%
Iron Max 0.002% Max 0.002%
Ph (3% water solution, 20íµ): 10.0-11.0 10.0-11.0
Uses:
It can be used as exchange of sodium hydrosulfite. The product has good heat stability, high as reducibility, easy operation and transportation and storage convenient and then used to organic synthes is in synthetic fiber industry, also used as additive of polythene sensitizer of photographical emulsion and so on. It is also used as reducing agent in printing and dyeing industry and used as pulp bleaching or de-inking of recycled fibers in the paper industry. There is no pollution during the operation.
1) 500kg and 1000kg containning bags
2) 50kg fiber drums
3) 25kg kraft paper compound plastic or plastic bags inner two layers
Molecular formula:ch4n2so2 molecular weight:108.12
Melting point: 126 fpc ph: 4(1% solution)
Cas no.: 1758-73-2 or 4189-44-0
Un no.: 3341 dangerous goods class: 4.2
It is one kind of new environmental protection product which can replace sodium hydrosulfite. It has good heat stability, high as reducibility, easy operation and transportation and storage convenient. It widely applies to reduction dyes and sulfur dyes dyeing, wool and silk bleaching, disperse dyes reducing cleaning, dye vat cleaning and so on. And also used in paper making industry as paper pulp bleachingwaste paper deink etc. And serves as the catalyst and the stabilizer of the synthetic resin in the high polymer material industry, and also used in the organic synthesis fiber material, the medicament, the medicine, the spice etc in fine chemical and the noble metal recycling and separates also has the application. There is no pollution during the operation.
This is john mao from henan hongye chemical co., ltd, which is the biggest manufacturer and supplier of thiourea dioxide(bleaching agent) in the world. We can produce 16, 000mt thiourea dioxide per year. The only one manufacturer in china has iso 9001:2000 & iso 14001.
Specification: product properties
Standard specifications
Purity, %
Min. 99
Thiourea, %
Max.0.1
Moisture, %
Max. 0.05
Iron, ppm
Max. 10
Sulphate, %
Max. 0.17
Appearance
White crystal power
Odor
Odorless
Packing
25 kg plastic bags, or 50 kg fiber drums
ethylene thiourea, Payment Terms : T/T, Bank or Wire Transfer Upfront Upon Proforma Invoice Pricing, Total or Minimum order Quantity , Quality and Delivery time get back to us so we can provide all those for you if interested. Regular others also have added advantages, Bulk orders as well
Trade name:n
Chemical name:ethylene thiourea
Molecular formula:c3h6sn2
Cas:96-45-7
Assay:98%
Appearance:white crystal
Melting point:198-198
Usage0.4-1.0mg/l
Application : it is soluble in hot alcohol solution. It is used as brightening agent for copper plating and combined with acidic copper plating brightener m, sp and so on.
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.
