5,7-DIMETHYLISATIN
- CAS NO.：39603-24-2
- Empirical Formula: C10H9NO2
- Molecular Weight: 175.18
- MDL number: MFCD00047219
- EINECS: 000-000-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:00:49
What is 5,7-DIMETHYLISATIN?
Chemical properties
red to red-brown powder
The Uses of 5,7-DIMETHYLISATIN
5,7-Dimethylisatin is used to produce cyano-(5,7-dimethyl-2-oxo-1,2-dihydro-indol-3-ylidene)-acetic acid ethyl ester by knoevenagel condensation with cyanoacetic acid ethyl ester. It is an important raw material and intermediate used in organic synthesis, pharmaceuticals and agrochemicals.
Properties of 5,7-DIMETHYLISATIN
| Melting point: | 245 °C |
| Boiling point: | 306.47°C (rough estimate) |
| Density | 1.250 |
| refractive index | 1.5060 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 10.43±0.20(Predicted) |
| Water Solubility | Insoluble in water. |
| BRN | 143679 |
| CAS DataBase Reference | 39603-24-2(CAS DataBase Reference) |
Safety information for 5,7-DIMETHYLISATIN
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 5,7-DIMETHYLISATIN
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