Sodium Hydrosulfite
group nameChemical Raw Materials
-
Min Order1 piece
brand nameTSH
-
update timeMon, 21 Nov 2011 09:42:24 GMT
Packging & Delivery
Min Order1 piece
Briefing
Other Names: Sodium Hydrosulphite
MF: Na2S2O4
EINECS No.: 231-890-0
Detailed
Sodium Hydrosulfite
Quick Details
CAS No.: 7775-14-6
Other Names: Sodium Hydrosulphite
MF: Na2S2O4
EINECS No.: 231-890-0
Grade Standard: Food Grade, Industrial Grade
Purity: 85%88%90%
Appearance: White Free-flow Crystal Powder
Application: Textile industry
Brand Name: VIDAR
Model Number: First grade
Molecular Weight: 174.11
Packaging & Delivery
Packaging Detail: 50kg/100kg net in iron drums with double PVC bags
Delivery Detail: within 7 days
Specifications
1.Sodium Hydrosulfite 88%
2.Industry and food additive grade
3.CAS No.: 7775-14-6
4.Manufacturer offer with SGS
5.Na2S2O4
Sodium Hydrosulfite
1.Manufacturer offer with SGS PSI for quality and quantity
2.Product Name: Sodium Hydrosulfite
3.Formula: Na2S2O4
4.Molecular Weight: 174.11
5.Description: White Free-flow Crystal Powder
6.Specifications:
|
Items |
Index | |||
|
Tech Grade |
Food Grade | |||
|
Na2S2O4, % ≥ |
85 |
88 |
90 |
85 |
|
Fe, ppm ≤ |
20 |
20 |
20 |
--- |
|
Zn, ppm ≤ |
1 |
1 |
1 |
1 |
|
As, ppm ≤ |
--- |
--- |
--- |
1 |
|
Heavy Metal(as Pb), ppm ≤ |
--- |
--- |
--- |
1 |
|
Water Insolubles, % ≤ |
0.4 |
0.4 |
0.05 |
0.05 |
7.Package: 50kg iron drums with double inner polybags.
8.Usage:
(1). Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile 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.
