5-NITROISATOIC ANHYDRIDE Chemical Properties

Melting point:

259 °C

Boiling point:

347.31°C (rough estimate)

Density 

1.623±0.06 g/cm3 (20 ºC 760 Torr)

refractive index 

1.4900 (estimate)

storage temp. 

Sealed in dry,Room Temperature

pka

9.29±0.20(Predicted)

CAS DataBase Reference

4693-02-1(CAS DataBase Reference)

EPA Substance Registry System

2H-3,1-Benzoxazine-2,4(1H)-dione, 6-nitro- (4693-02-1)

Safety Information

HS Code 

2934999090

5-NITROISATOIC ANHYDRIDE Usage And Synthesis

Uses

6-Nitro-1H-benzo[d][1,3]oxazine-2,4-dione is a useful research chemical for organic synthesis/bioactive molecule design. 6-Nitro-1H-benzo[d][1,3]oxazine-2,4-dione is also used in the RNA structure probing studies.

Preparation

5-Nitroisatoic anhydride is prepared from 5-nitro indole (9g) by stirring in a 4:1 mixture of CH3CN/H2O for 1 h at 40℃. 1 H NMR (DMSO-d6): δ12.34 (s, Br., 1H), 8.59 (s Hz, 1H), 8.51 (d, J = 7.8 Hz, 1H), 7.31 (d, J = 8.7 Hz, 1H).

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