| Specification |
| Product Name |
CONGO RED |
| Synonyms |
Direct Red 28 |
| CAS NO. |
573-58-0 |
| C.I. NO. |
22120 |
| Molecular Formula |
C32H22N6Na2O6S2 |
| Formula Weight |
696.68 |
| Appearance |
Dark Red powder |
| Structure |
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| Tests |
Limits |
| Clarity of Solution |
Passes Test |
| Transition Range |
pH 3.0 - pH 5.2
Blue - red |
| Loss On Drying (110°C) 1hr. |
5% |
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| REVISED: 1-1-2012 |
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