A4726731
Catechol violet indicator , 0.1% , 115-41-3
Synonym(s):
Catechol violet;Pyrocatecholsulfonphthalein
CAS NO.：115-41-3
Empirical Formula: C19H14O7S
Molecular Weight: 386.38
MDL number: MFCD00005868
EINECS: 204-088-3
| Pack Size | Price | Stock | Quantity |
| 100ml | RMB47.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 185 °C (dec.)(lit.) |
| Boiling point: | 659.5±55.0 °C(Predicted) |
| Density | 1.632±0.06 g/cm3(Predicted) |
| storage temp. | -20°C Freezer, Under inert atmosphere |
| solubility | H2O: 1 mg/mL, clear, red |
| pka | 7.21±0.10(Predicted) |
| form | Metallic or Crystalline Powder |
| color | Dark red-brown |
| PH Range | 6.0(YELLOW)-7.0(PURPLE)-9.0(PURPLISH RED) |
| Water Solubility | Soluble in water, ethylene glycol, monomethyl ether and ethanol. |
| BRN | 353938 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 115-41-3(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2-Benzenediol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis- (115-41-3) |
Description and Uses
A complexometric indicator.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P271-P280 |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 32041900 |
