5,7-DIMETHYLISATIN , 97% , 39603-24-2

CAS NO.：39603-24-2

Empirical Formula: C10H9NO2

Molecular Weight: 175.18

MDL number: MFCD00047219

EINECS: 000-000-0

PRODUCT Properties

• 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)
• Appearance: Yellow to orange Solid
• Water Solubility: Insoluble in water.
• BRN: 143679
• CAS DataBase Reference: 39603-24-2(CAS DataBase Reference)

Description and Uses

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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H319-H412
• Precautionary statements: P273-P305+P351+P338
• Hazard Codes: Xi
• Safety Statements: 24/25-22
• RTECS: NL7930000
• HazardClass: IRRITANT
• HS Code: 29337900