Formamidine Sulfinic Acid

Puyang Dingxin Chemical Company is maufacturer of Formamidine Sulfinic Acid in China

Thiourea Dioxide

Puyang Dingxin 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.

Physical & Chemical Features

Other names: Formamidine Sulfinic Acid

Molecular formula:(NH2) 2CSO2 Molecular weight:108.12

PH: 4(1% Solution)

CAS NO. 1758-73-2

UN NO:3341

Hazard level:4.2

Specification:

Item	Standard
Purity	99.%Min
Thiourea	0.10%Max
Moisture	0.05%Max
Iron(Fe)	10ppm   Max
Sulphate	0.17%Max

Uses:

(1)Thiourea Dioxide is 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, and transportation and storage convenient. There is no pollution associated during the operation.

(2) It is a promoter used with textiles and dyes, it is widely used to reduce dyes and sulfur dyes, and for bleaching wool and silk. Other uses include the reduction cleaning of disperse dyes, stripping undesirable colors from dyes, and in dye vat cleaning. (3) It is also used in the paper industry as a bleaching agent and for deinking waste paper.

(4)It may be used as catalyst for producing synthetic resins in the polymer materials industry, and also has applications in organic synthesis of photosensitive materials, pharmaceuticals, spices and other fine chemicals, as well as in precious metal recovery and separation.

Packing:

1 . 25kg or 50kg Woven bags

2. 25kg Kraft paper bags

3. 50kg fiber drums 

4. 500kg or 1000kg container bags 

Special packing is also available at the request of the customer.

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