| Name | sodium,6-amino-5-[[4-[4-[(2-amino-6-sulfonaphthalen-1-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-2-sulfonic acid | 
|---|---|
| Synonyms | Hispamin Red B C.I. Direct Red 21 C.I. Direct Red 21,disodium salt Benzopurpurine B | 
| Density | 1.5g/cm3 | 
|---|---|
| Molecular Formula | C34H28N6NaO6S2+ | 
| Molecular Weight | 703.74200 | 
| Exact Mass | 703.14100 | 
| PSA | 226.98000 | 
| LogP | 12.08940 | 
| Index of Refraction | 1.729 |