Catalogue Number: | T-8911 |
Compound Name: | Tartrazine Impurity 7 Disodium Salt |
Synonyms: | |
CAS#: | 866-17-1 |
Alternate CAS#: | 76-30-2 (free acid) |
Molecular Formula: | C4H4O8. 2Na |
Molecular Weight: | 180.07 2*22.99 |
Tartrazine Impurity 4
CAS No. 791545-81-8 (hydrazone form); 1042222-65-0 (azo form)
C17H12N4O9S2
M.W. 482.44