- Contact Person : Mr. Wang Wei
- Company Name : Yixing Xinhui Chemicals Co., Ltd.
- Tel : 86-510-80769058
- Fax : 86-510-80701738
- Address : Jiangsu,Yixing,NO.303, building No 23., chemical market, yicheng,
- Country/Region : China
- Zip : 214200
FACTORY Sodium Hydrosulphite 85% 88% 90% Na2S2O4 Sodium dithionite
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.
Sodium Hydrosulphite Cas no.: 7775-14-6 Appearance: white crystalline powder Package:50kg/drum Brand: Mtchem
Sodium HydrosulphiteCas no.: 7775-14-6Appearance: white crystalline powder Package:50kg/drumBrand: Mtchem
Specification :
| . | Technical Grade | Food Grade | ||
90%Grade | 88%Grade | 85%Grade | ||
Na2S2O4 | 90% | 88% | 85% | 85% |
Iron(Fe) | 20ppm | 20ppm | 20ppm | 20ppm |
zinc(Zn) | 1ppm | 1ppm | 1ppm | 1ppm |
solution appearance | clear | clear | clear | clear |
EDTA | / | / | / | qualified |
Arsenic(As) | / | / | / | 1ppm |
other heavy metal(as Pb) | / | / | / | 1ppm |
Formate | / | / | / | 0.05% |
water insolubles | 0.05% | 0.05% | 0.05% | / |
| shelf life(months) | 12 | 12 | 12 | 12 |
FACTORY Sodium Hydrosulphite 85% 88% 90% Na2S2O4 Sodium dithionite
