a-NAPHTHOLPHTHALEIN
(pH Indicator) (1-Naphthol Phthalein)
| Article No | N-06102 | ||
| CAS No | 596-01-0 | ||
| HSN Code | 32049000 | ||
| Purity | - | ||
| Grade | Indicator Grade | ||
| Molecular Formula | C28H18O4 | ||
| Molecular Weight | 418.45 | ||
| Shelf Life | 5 years | ||
Packagings
1 gm
5 gm
| Article No | N-06102 | ||
| CAS No | 596-01-0 | ||
| HSN Code | 32049000 | ||
| Purity | - | ||
| Grade | Indicator Grade | ||
| Molecular Formula | C28H18O4 | ||
| Molecular Weight | 418.45 | ||
| Shelf Life | 5 years | ||
1 gm
5 gm
| Appearance | Light pink beige to red – brown powder | ||
| Loss on drying at 105°C | Max. 5.0% | ||
| Melting Point | 238 - 240 ºC | ||
| Solubility In Water (% weight) | Insoluble In Water | ||
| pH trasition range (7.1 - 8.3) | Brownish pink to Blue | ||
| Absorption maxima (Buffer pH 7.1) | 471 - 485 nm | ||
| Absorption maxima (Buffer pH 8.3) | 649 - 654 nm | ||