PYROCATECHOL VIOLET AR
(Catechol Violet)
| Article No | P-07440 | ||
| CAS No | 115-41-3 | ||
| HSN Code | 32049000 | ||
| Purity | - | ||
| Grade | AR | ||
| Molecular Formula | C19H14O7S | ||
| Molecular Weight | 386.38 | ||
| Shelf Life | 5 years | ||
Packagings
1 gm
| Article No | P-07440 | ||
| CAS No | 115-41-3 | ||
| HSN Code | 32049000 | ||
| Purity | - | ||
| Grade | AR | ||
| Molecular Formula | C19H14O7S | ||
| Molecular Weight | 386.38 | ||
| Shelf Life | 5 years | ||
1 gm
| Description | Dark green to green metallic or brown crystalline powder | ||
| Assay | Min. 99% | ||
| Infrared spectrometry | Authentic | ||
| Lambda max (in methanol) | 441 to 449 nm | ||
| Melting Point/ Freezing Point [°C] | 185 °C | ||
| Density [g/cm3] | 1.344 | ||
| Solubility in water [% weight] | Soluble in water | ||
| Specific ext. E (1%/1cm) (at lambda max, methanol) | Min 380 | ||
| Appearance of solution (0.1% aq. Solution) | Clear | ||
| Suitability test for complexometric determination of metal oxides | Passes test | ||
| Loss on drying (110°C)1hr | Max 7.0% | ||