| Item | Chinese standard | Company standard | |
| HG/T2826-2008 | |||
| Top-grade | First grade | ||
| Main content(Na2S2O5) | 96.0 min | 95 | 96.5 |
| Fe %( Fe) | 0.005max | 0.01 | 0.002 |
| Water-Insoluble | 0.05max | 0.05 | 0.2 |
| Arsenic(As) content | 0.0001max | ------ | 0.0001 |
Classification:
Sulphate
Type:
Sodium Sulphate
CAS No.:
10102-17-7
Other Names:
Natrii disulfis
MF:
Na2O5S2
EINECS No.:
231-673-0
Place of Origin:
Shanghai, China
Grade Standard:
Food Grade, Industrial Grade
Purity:
96.min5%
Appearance:
White powder
Application:
Chemical industry
Model Number:
11-sodium pyrosulfite
Product name:
sodium pyrosulfite
CAS:
10102-17-7
Product quality protection 
