PRODUCT

Sodium dithionite
Synonyms:Sodium dithionite
Molecular Formula: Na2O4S2
Molecular Weight: 174.11
CAS No.: 7775-14-6

Product Details

连二亚硫酸钠 结构式

Synonyms:Sodium dithionite

Molecular Formula: Na2O4S2

Molecular Weight: 174.11

CAS No.: 7775-14-6


Specifications:

Item

Specification

Sodium Hydrosulphite:Na2S2O4

90 min

Sodium metabisulfite: Na2S2O5

5-7

Sodium carbonate: Na2CO3

0.6-7

Sodium thiosulfate: Na2S2O3

1.2 max

Sodium sulpfite: Na2SO3

0.5 max

Fe

20 max

Zn

1

Solution Appearance

Clear


Storage: Store in a low temperature, ventilated, and dry place; Isolate fire.


Packaging: 25kg/bag 50kg/drum


Application: Disodium bisulfite is a strong reducing agent and has extensive applications:

1. It is widely used in the textile industry as a reducing agent for dyeing with vat dyes, a reducing agent for dehairing, an auxiliary for printing with vat dyes, a refining and bleaching agent for silk, a stripping agent for dyed materials, and a cleaning agent for dye vats, etc.

2. It is widely used in the paper industry as a bleaching agent for mechanical pulp, thermomechanical pulp, and deinked pulp. It is the most suitable bleaching agent for wood pulp papermaking.

3. As a reducing bleaching agent, it is widely used in the bleaching of kaolin, the bleaching and reducing whitening of furs, the bleaching of bamboo products and straw products, etc.

4. It is applied in mineral processing, the synthesis of thiourea and its sulfides, etc.

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

6. The food additive grade is mainly used in the food industry and is widely used in preserved fruits, dried fruits, dried vegetables, vermicelli, and grapes.


Product Origin:Jinan,China

Delivery Time: lmmediately after payment

Departure Port: Qingdao/Tianjin/Shanghai/Ningbo

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