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Reductive Dyeing Material

Sodium Hydrosulfite

Sodium Hydrosulfite Description: Type: Sodium Hydrosulfite CAS No.: 7775-14-6 Other Names: Sodium Dithionite MF: Na2S2O4 EINECS No.: 231-890-0 Place of Origin: Guangdong, China (Mainland) Purity: 88% Appearance: White Powder, White powder Application: Detergent Melting point: 300℃ Molecular......
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Sodium Hydrosulfite

Description:

Type: Sodium Hydrosulfite

CAS No.: 7775-14-6

Other Names: Sodium Dithionite

MF: Na2S2O4

EINECS No.: 231-890-0

Place of Origin: Guangdong, China (Mainland)

Purity: 88%

Appearance: White Powder, White powder

Application: Detergent

Melting point: 300℃

Molecular weight: 174.108

Ignition temperature: 250℃

UN: 1384

image001


Application:

1.The powder is widely used in the reduction, reduction, printing and decolorization of the textile industry, as well as the bleaching of silk, hair, nylon and other fabrics. Because it does not contain heavy metals, the bleached fabric is brightly colored and is not easy to fade.

2.In a variety of materials, the powder can also be used for food bleaching, such as gelatin, sucrose, honey and so on, soap, plant oil, bamboo, and porcelain clay bleaching. It can also be used in organic synthesis, such as dyes or pharmaceuticals as reducing agents or bleaching agents.

3.It is the most suitable bleaching agent for wood pulp and paper making. Moreover, many heavy metals such as Pb2+ and Bi3+ can be reduced to metals in water treatment and pollution control, and can also be used to preserve food and fruits.

image003(001)


Data Sheet:


90%

GRADE

88%

GRADE

85%

GRADE

Food additive GRADE

Na2S2O4

≥90%

≥88%

≥85%

≥85%

Water insolubles

≤0.05%

≤0.05%

≤0.05%


Iron (Fe)

≤20ppm

≤20ppm

≤20ppm

≤20ppm

Appearance of

Aqueous solution




clear

Zinc (Zn)

≤1ppm

≤1ppm

≤1ppm

≤1ppm

Arsenic(As)




≤1ppm

Other heavy Metals (as Pb)

≤1ppm

≤1ppm

≤1ppm

≤1ppm

Format(as HCHO)




≤0.05%

Shelf life(months)

12

12

12

12


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    Mob: +8618952599855
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