Pyrocatechol Violet
SIGMA/P7884 - suitable for indicator
Synonym: Catechol violet; Pyrocatecholsulfonphthalein
CAS Number: 115-41-3
Empirical Formula (Hill Notation): C19H14O7S
Molecular Weight: 386.38
EC Number: 204-088-3
MDL Number: MFCD00005868
Linear Formula: C19H14O7S
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: P7884-10G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: P7884-5G
| application(s) | diagnostic assay manufacturing hematology histology |
| form | powder |
| InChI | 1S/C19H14O7S/c20-14-7-5-1 |
| InChI key | HGPSVOAVAYJEIJ-XDHOZWIPSA |
| mp | 185 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | Oc1ccc(cc1O)C(=C2C=CC(=O |
| solubility | water: 1 mg/mL |
| storage temp. | room temp |
| suitability | suitable for indicator |
| technique(s) | titration: suitable |
| Application: | Complexometric indicator |
| Application: | Pyrocatechol Violet has been used in the formation of dye-metal complexes. It has also been used to determine Cu2+ chelating activity. |
| General description: | Pyrocatechol Violet (PV) is a sulfone phthalein dye. It chelates metal ions. The metal-PV complex is bluish-violet in color. |
| Packaging: | 5, 10 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 185 °C (dec.) (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12171500 |