Yantai Dasteck Chemicals Co.,Ltd

Thiourea Dioxide

— TEXTILE AUXILIARY, PAPER DEINK AGENT, SUBSTITUTE OF SODIUM HYDROSULFITE
Product Category: Chemical Additives & Auxiliaries/n.e.s.
Sales Method: Export, Manufacture
Payment Term: T/T, L/C
Min. Order Unit Price
Contact Info

Mrs.li xiaoxiao

Address: China (mainland) Shandong Yantai,No.59,Huagong Road,Yantai China

Product Detail

Product Attribute:

  • China (mainland) More >
  • 06/11/2012
  • 06/11/2012

Additional Info.:

  • 25/50//500/200/1000KG /BAGS

Product Content Description:

Thiourea Dioxide
Product name: Thiourea Dioxide, TDO
Molecular formula:CH4N2O2S
Place of Origin: Yantai, China.
Other names: formamidinesulfinic acid, FAS(in paper industry)
Appearance: white crystal powder
CAS No.: 1758-73-2 UN No.: 3341 HS Code: 2930.9090
Quality standard: HG/T 3258--2001
Description of goods:
Thiourea dioxide is a new-type, environmentally friendly products used as substitute of rongalite. It has very high reduction potential, is non-toxic, very stable, non-toxic, tasteless and environmentally friendly. It has been widely used in the dyeing of vat dyes and sulfur dyes, bleaching of wool and real silk, cleaning of disperse dyes, cleaning of dye vat etc. It is also used as reducing agent, bleaching agent, plastic stabilizer, anti-oxidants for organic synthesis, and sensibilizer of sensitive materials.
Applications:
1) Can be used as exchange of sodium hydrosulfite and organic syntheses in synthetic
fiber industry
2) Used as reducing agent in printing and dyeing industry
3) Used in pulp bleaching and paper industry
4) Used as additive of polythene sensitizer of photographical emulsion

Specifications:
Thiourea Dioxide 99.0 % Min
Thiourea 0.10 % Max
Moisture 0.05 % Max
Ash 0.17 % Max
Fe 0.001 % Max
Storage and Handling
Should be stored in a cool, ventilated and dry place, Avoid moisture and insolation, keep away from oxidizing agents.

Packing:
25 KG Kraft paper bag/ plastic woven bag.
50KG/100KG fiber drum.
500KG/1000KG FIBC bags

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