Benzaldehyde-2,4-disulfonic acid disodium salt
Other names: benzaldehyde-2,4-di(sodium sulphonate)(hydrate);Benzaldehyde disulfonic acid disodium salt
CAS number: 33513-44-9
EINECS number: 251-551-0
Formula: C7H4Na2O7S2
Molecular weight: 310.212
The enterprise standard:
| Item |
Premium grade |
First grad |
| Appearance |
White crystal |
White crystal |
| Purity |
67.0% min |
60.0% min |
| Water |
20.0% max |
20.0% max |
Product use: Used as a dye intermediates |
