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Mr. mike jiang
weifang shenghe zhuji Co.,Ltd
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Tel : 86-536-6731166
Fax: 86-536-6731177
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Thiourea Dioxide
Data
¡¡¡¤¡¡Other name: TDO, formamidine sulfinic acid, FAS
¡¡¡¤¡¡Formula: (NH2)2CSO2
¡¡¡¤¡¡CAS No.: 1758-73-2 or 4189-44-0
¡¡¡¤¡¡UN No.3341
¡¡¡¤¡¡Hazard Class: 4.2
¡¡¡¤¡¡Appearance: White crystalline powder
¡¡¡¤¡¡Packing Group: II/¢ó

Usage
Thiourea dioxide has many advantages, such as high reducibility, excellent heat stability, nonpoison, tasteless, easy operation, efficience, transportation and storage convenient etc. It is an exchange product of sodium hydrosulphite. It can be extensively used in dyeing, paper making and other industries as kinds of reduction agent, bleach, decolorizer, plastic stabilizer, antioxygen of organic synthesis and sensitiet of sensitiet.

Packing
¡¡¡¤¡¡ 500kg or 1000kg jumbo bags.
¡¡¡¤¡¡ 50kg fiber drums.
¡¡¡¤¡¡ 25kg or 50kg woven bags.
¡¡¡¤¡¡ 25kg kraft compound plastic bags

Standard: HG/T 3258--2001
¡¡ Specification
¡¡¡¤¡¡ Purity: 99.%Min
¡¡¡¤¡¡ Thiourea: 0.10%Max
¡¡¡¤¡¡ Moisture:0.05%Max
¡¡¡¤¡¡ molysite:10ppm Max
¡¡¡¤¡¡ Sulphate: 0.17%Max
 
Thiourea
Data
¡¡¡¤¡¡Other name: thiocarbamide
¡¡¡¤¡¡Formula: CH4N2S
¡¡¡¤¡¡CAS No.: 62-56-6
¡¡¡¤¡¡UN No. 2811
¡¡¡¤¡¡Hazard Class: 6.1
¡¡¡¤¡¡Appearance: white grain, lustrous crystal
¡¡¡¤¡¡Packing Group: ¢ó

Usage
Thiourea is the main raw material of thiourea dioxide. As a fine chemical product with high additive value, thiourea is widely used in pharmaceutical raw material, textile dyeing and printing, metal-mine-selecting, and laundering. In macromolecule material industry, it is used as catalysis agent and stabilizer of resinic producing.

Packaging
¡¡¡¤¡¡50kg fiber drums
¡¡¡¤¡¡25kg plastic bags or kraft compound bags
¡¡¡¤¡¡500kg or 1000kg container bags

Standard: HG/T 3266-2002
¡¡Specifications
¡¡¡¤¡¡Purity: 99% min
¡¡¡¤¡¡Water:0.5% max
¡¡¡¤¡¡Ash content: 0.1% max
¡¡¡¤¡¡Melting point: 175oC min



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