二氧化硫脲 Thiourea Dioxide

一、物理性质及化学性质 Physical and chemical properties

别名：甲脒亚磺酸 Other name: formamidine sulfinic acid

外观：白色晶体粉末 Appearance: White crystal powder

分子式： (NH₂) ₂CSO₂  Molecular formula: (NH₂) ₂CSO₂

分子量：108.12 Molecular weight: 108.12

CAS NO.:1758-73-2

二、规格 Specifications

三、特性 Characteristics

二氧化硫脲是一种新型、环保产品，具有还原性强，效果明显，热稳定性好，储存运输方便等特点，而且在使用过程中环保无污染。

Thiourea Dioxide is a new type of environmental friendly product with stronger reducibility, better effect, longer thermal stability, convenient storage and transportation. It is environmentally friendly and pollution-free during use.

四、用途 Usage

1、纺织印染：广然应用于还原染料和硫化染料的染色，羊毛真丝的漂白，分散染料的还原清洗、直接活性染料不良染色的剥除、染缸的清洗等。

1. Textile dyeing: Widely used in the dyeing of vat dye and sulfide dye, bleaching of wool and silk, reduction cleaning of dispersed dyes, stripping of poor dyeing with direct reactive dyes, cleaning of dyeing vats, etc.

2、造纸：应用于造纸工业中纸浆的漂白、废纸的脱墨等。

2. Paper making: Used in the paper-making industry for bleaching pulp and deinking of waste paper.

3、其他方面：在高分子材料工业中用作合成树脂的催化剂、稳定剂；在有机合成感光材料、药剂、医药、香料等精细化工中及贵重金属的回收与分离中也都有应用。

3. Other aspects: used as a catalyst and stabilizer for resin synthesis in the polymer material industry; It is also applied in fine chemicals such as organic synthetic photosensitive materials, pharmaceuticals, pharmaceuticals, spices, and the recovery and separation of precious metals.

五、包装 Packaging

25公斤塑编袋或牛皮复合纸袋；50公斤纤维纸板桶；500公斤或1000公斤集装袋

25kg plastic woven bag; 25kg kraft paper bag;50 kg fiber drums; 500 kg or 1000 kg pp woven IBC bags

六、储存 Storage

储存于干燥洁净、通风条件良好、室温在30℃以下的仓间内。注意防潮、雨淋。

Store in a dry, clean, well ventilated warehouse with a room temperature below 30 ℃, avoid moisture and rain.