Product Name: Sodium Hydrosulfite
CAS No: 7775-14-6
Einecs No: 231-890-0
HS Code: 2831101000
Formula: Na2S2O4
Grade Standard: Food Grade, Tech Grade
Appearance: White crystalline powder
UN No.: 1384
Packaging Details: 25KG/BAG, 50KG/BAG
Application:
A versatile bleaching agent that can be used in textile industry, food industry, paper & pulping industry, soap, animal (plant) oil, bamboo utensils…
Specification:
| Item | Range | Unit | Standard | ||
|---|---|---|---|---|---|
| Food grade | Industrial grade High-Class |
Industrial grade First-Class |
|||
| Sodium dithionite (Na₂S₂O₄) | ≥ | ω/% | 88 | 90 | 88 |
| Clarity | – | – | Pass test | – | – |
| Heavy metals (as Pb) | ≤ | ω/% | 0.001 | – | – |
| Lead (Pb) | ≤ | ω/% | 0.0005 | – | – |
| Cadmium (Cd) | ≤ | ω/% | 0.0002 | – | – |
| Arsenic (As) | ≤ | ω/% | 0.0001 | – | – |
| EDTA | – | ω/% | Qualified | – | – |
| Zinc (Zn) | ≤ | ω/% | 0.03 | – | – |
| Formate (as HCHO) | ≤ | ω/% | 0.005 | – | – |
