Sodium Hydrosulfite / Sodium Dithionite

Technical  specification:

Specification

90%

88%

85%

Food grade

Na2S2O4

≥90%

≥88%

≥85%

≥85%

Fe

≤20ppm

≤20ppm

≤20ppm

≤20ppm

Zn

≤1ppm

≤1 ppm

≤1ppm   

  ≤1ppm

Solution Appearance

Clear

Clear

Clear  

Clear  

Other heavy metal (as pb)

—

—

—

—

HCHO

—

—

—

≤0. 05%

  Water insoluble matter

≤0.05%

≤0.05%

≤0.05%

—

 Reserve period (months)

 12

 12

 12

 12

 

Usage:

1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile bleaching .

2. It is also used in bleaching paper pulps , especially mechanical pulps, it’s the most fittable bleaching agent in pulps.

3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,

4. It is used in mineral, the compound of thiourea and other sulphides.

5. It is used as reducing agent in chemical industry.

6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. 

 

Extinguishing Method:

1)Isolate the combusted are, keep far away from flames

2)use sufficient drown the product completely (Other extinguishing media may not stop decomposition thoroughly).

3)Make sure the rinsing water does not pollute water source farm.

4)Inspect the balance of the packing drum and move those hot drums to a ventilated place to lower their temperature.

Xuzhou Donglong Chemical Co., Ltd is a joint-stock chemical enterprise, which was established in 2006, its predecessor was Xuzhou Lithopone Factory. The company located in the historical city which is beautiful scenery and world-famous for ?Han culture?-------Xuzhou, Jiangsu.The company specializes in chemical products. As a provincial advanced and AAA credit enterprise, the products have passed the ISO international quality system certification.With the enterprise expansion, and integration of the local resources, the business further related to the field of metallurgy and cable, and we successful developed of Europe, America, Africa, Southeast Asia and other foreign markets, and achieved good performance and business reputation. The company always adhere to honesty, simple, fast and efficient philosophy, on the basis of equality and mutual benefit, we sincerely hope to establish long-term partnership with businessmen at home and abroad, to achieve common development and a win-win outcome. [ Buying Categories ] - Chemicals >> Alkali - Chemicals >> Inorganic Salt - Chemicals >> Organic Acid - Chemicals >> Water Treatment Chemicals - Rubber & Plastics >> Plastic Raw Materials