

CAS No: 7775-14-6
Purity: ,88%
MF: Na2S2O4
MW: 174.11
MP:300 °C
BP:1390°C
Density:2.13
Storage temp.:Store at RT.
Solubility:250 g/L (20°C)
Water Solubility:250 g/L (20°C)
CAS DataBase Reference:7775-14-6(CAS DataBase Reference)
NaCO3(wt%):2-6
Appearance: Free-flowing white crystalline powder
Odor: Odorless or with a slight odor of sulfur dioxide
Usage: Sodium Hydrosulphite is widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping etc
Model No. | 7775-14-6 | Purity | 88% |
Appearance | Powder | Freezing Point | 52-55 ºC |
Molecular Weight (MW) | 174.1 | Sample | Available |
Grade | Industry Grade/Food Grade | Hazard Class | 4.2 |
Origin | China | Transport Package | Iron Drum |
Density | 2.189 G/Cm³ | Production Capacity | 500 tons/Month |
MOQ | 1KGS | Formula | Na2s2o4 |


Sodium hydrosulfite also known as sodium dithionite is a very effective reducing agent. Our sodium hydrosulfite comes in solid white crystalline powder form.It is widely used in various industries, including textile, pulp and paper, water treatment and food industry.



Package of insurance powder, sodium bisulfite: 88% FOB Qingdao 840 USD, 22 tons without pallets, small container
1 .Can you do customized designs and package
:Yes, we provide OEM service.
2.Why MOQ?
:We are manufacturer, manufacturing for client by order. The moq up on the MOQ of material. If any stock or using our design, the moq will be low.
3. How about payment ?
:T/T, Paypal, Western Union.
4 .How about sample and shipping charge ?
: A sample will be free and the shipping customer will bear it.
5. How can i solve the problem of the quality?
:We will 100% responsibility for our products.