| Specification |
| Product Name |
PURPURIN |
| Synonyms |
9,10-Anthracenedione, 1,2,4-Trihydroxy-,C.I.
1027, c.I. 75410 Hydroxylizaric Acid |
| CAS NO. |
92-32-0 |
| C. I. No. |
58205 |
| Molecular Formula |
C14H8O5 |
| Molecular Weight |
256.22 |
| Appearance |
Dark-red to orange-brown powder |
| Structure |
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| Tests |
Limits |
| Melting Point |
- 253 °C to 256 °C |
| Lambda max |
- 485(521) in methanol
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| Dye content |
- ~90%
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| Solubility |
- Red to very dark red to purple solution. |
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| REVISED: 1-1-2012 |
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