Sodium Hydrosulphite 88%

Descrição

SPECIFICATION

STANDARD

Na2S2O4

90%

88%

85%

74%

Water insolubles

0.05% max.

0.05% max.

0.05% max.

0.05% max.

Iron (Fe)

20ppm max.

20ppm max.

20ppm max.

20ppm max.

Zinc (Zn)

1ppm max.

1ppm max.

1ppm max.

1ppm max.

Other heavy metals (as Pb)

1ppm max.

1ppm max.

1ppm max.

1ppm max.

Water Insolubles

0.4% max.

0.4% max.

0.4% max.

0.4% max.

 

Chemical Name

Sodium Hydrosulphite

CAS Number

7775-14-6

H.S. Code

2831.1010

UN Number

1384

EINECS No.

231-890-0

Molecular Formula

Na2S2O4

Appearance

White Powder

Packing

50kg iron drums

Loading Quantity

25MT/20’FCL

Application

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 suitable 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.

Handling & Storage

Stored in cool and dry warehouse

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