Welcome to Linyi Kemele Co., Ltd
Welcome to Linyi Kemele Co., Ltd
Current position: Home > Linyi Kemele Co., Ltd > Sodium hydrosulfite
Synonyms : Rongalite; burmol; blankit; HYDROSULFITE; Sodium dithionite; SODIUM DITHIONITE; disodium dithionite; SODIUM HYDROSULFITE
CAS No. : 7775-14-6
EINECS : 231-890-0
Molecular formula : Na2S2O4
Molar Mass : 174.11
Melting Point : 300 °C
Boling Point : 1390°C
Properties：white crystalline powder with the odour of sulfur dioxide.
Specifications（HG/2074-2004, JISK1476-1995, HG/T2682-1995）：
|
INDEX |
90% |
88% |
85% |
FOOD ADDITIVE |
74% |
|
Na2S2O4 |
≥90% |
≥88% |
≥85% |
≥85% |
≥74% |
|
Fe |
≤20ppm |
≤20ppm |
≤20ppm |
≤20ppm |
≤30ppm |
|
Zinc(Zn) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Other heavy metal |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Water Insolubles |
≤0.05% |
≤0.05% |
≤0.05% |
≤0.05% |
≤0.05% |
|
Shelf Life(month) |
12 |
12 |
12 |
12 |
12 |
Applications and Usages : Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching, also used in bleaching paper pulps , especially mechanical pulps, it’s the most fittable bleaching agent in pulps. used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, in mineral, the compound of thiourea and other sulphides. used as reducing agent in chemical industry. 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.
Pacgage : Packed in 50kg iron drum with double inner plastic bags. Quantity/20'FCL: 21MT (420 Drums).
PIC：Yan Zhuo
Email：km11@kmchem.com
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