hongye chemical co., ltd is the leading professionalmanufacturer and supplier of thiourea dioxide and pulp bleachingagent fas. we can produce 50000mt thiourea dioxide(formamidinesulfinic acid) &pulp bleaching agent fas.
tdo is a new kind of reducing agent that used asexchange of sodium hydrosulfite. it is widely used in textile andpaper making industry. this product is also used in leatherprocessing industry, paper, pulp and board industry, photographicindustry, bleaching and reducing agents. this product is also acomponent of decolorisation agents. in macromolecule materialindustry, it is used as catalysis agent and stabilizer of resinicproducing, and it is also used in organic synthesization ofsensitizing material, and medicine, medical, spicery materials infine chemicals, and also can be applied in the recycling andseparating 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

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宏业生化股份有限公司
朱言山
15939382178
中国河南省濮阳市