| Specification |
| Product Name |
PONCEAU 2R (PONCEAU XYLIDINE) |
| Synonyms |
Acid Red 26; Ponceau red RR; Scarlet R; |
| CAS NO. |
3761-53-3 |
| C. I. No. |
16150 |
| Molecular Formula |
C18H14N2Na2O7S2 |
| Formula Weight |
480.4 |
| Appearance |
Red Powder |
| Structure |
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| Tests |
Limits |
Solubility 0.1% (in water)
Absorptivity 1% / 1cm,
at λ max. 507.0 nm |
- Clear Red Solution
- > 420
|
| Dye Content (by spectrophotometry) |
- > 70%
|
| Loss On Drying at 110°C |
- 0.39% |
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| REVISED: 1-1-2012 |
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