Model NO.: 99%
Chemical Formula: CH4n2o2s
Trademark: LY
Specification: SGS, HG/T3266-2002,
Origin: Shangdong
HS Code: 29309090
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Specifications
Thiourea Dioxide
1. Character:
Byname: Methanesulfinic acid, TDO, formamidine sulfinic acid, FAS
Appearance: White crystalline powder
Dangerous Goods Class: 4.2
2. Specification:
Standard: HG/T 3258--2001
ItemsStandard
Appearancewhite crystal powder
Purity: (%)≥ 99.0
Thiourea: (%)≤ 0.10
Moisture: (%)≤ 0.05
Iron(PPM)≤ 10
Sulphate: (%)≤ 0.17
3. Uses:
Thiourea dioxide is to replace insurance powder's a new product, can be used as reductant, Bleaching decoloring agents, plastic stabilizers, organic synthetic antioxidants and photographic materials sensitization agents, in printing and dyeing, papermaking already to the widespread.
4. Application:
1)As the textile auxiliaries, this product widely applies in the reduction of dyes and vulcanization's dyeing, wool silk bleaching scattered, dye fabric of reduction, various shading fiber color processing, pot cleaning, etc.
2)As deinking pulp bleaching (FAS) effect significantly, applied in paper industry of paper pulp bleaching, waste paper deinking pulp, prevent yellow.
3)In polymer materials industry as: Synthetic resin catalyst, stabilizer, photographic exposure stabilizer, medicine, pharmacy, spices and in fine chemicals, precious metal recycle and separation methods are useful.
5. Packing:
25kg woven bags with plastic lining, or according to customer's request
6. Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Stored in a cool, dry, well-ventilated area. Away from incompatible substances. Store protected from moisture.
| Product Name | Thiourea | CAS NO. | 62-56-6 |
| Reference Standard | HG/T3266-2002 | ||
| Test Item | Specification | ||
| Purity | ≥99.00% | ||
| Loss On heating | ≤0.40% | ||
| Ash | ≤0.10% | ||
| Insolubility In Water | ≤0.02% | ||
| Sulforhodanide(with CNS-) | ≤0.02% | ||
| Melting Point | 171°C | ||
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