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Isatoic anhydride

Catalog No. A14603 Name Alfa Aesar
CAS Number 118-48-9 Website
M. F. C8H5NO3 Telephone
M. W. 163.1302 Fax
Purity 97% Email
Storage Chembase ID: 110550

SYNONYMS

Title
靛红酸酐
IUPAC name
2,4-dihydro-1H-3,1-benzoxazine-2,4-dione
IUPAC Traditional name
1H-3,1-benzoxazine-2,4-dione
Synonyms
4H-3,1-Benzoxazine-2,4(1H)-dione

DATABASE IDS

CAS Number 118-48-9
MDL Number MFCD00006700
EC Number 204-255-0
Beilstein Number 136786

PROPERTIES

Purity 97%
Density 1.520
Flash Point 308°C(586°F)
Melting Point ca 237°C dec.
GHS Pictograms GHS07
GHS Hazard statements H319-H317
European Hazard Symbols Irritant Irritant (Xi)
GHS Precautionary statements P261-P280-P305+P351+P338-P302+P352-P321-P501A
Risk Statements 36-43
RTECS DM3100000
Safety Statements 24-26-37
Storage Warning Moisture Sensitive
TSCA Listed

DETAILS

REFERENCES

  • Susceptible to nucleophilic attack, normally at the "acid" 4-carbon. More hindered nucleophiles attack at the "carbamate" 2-carbon. In the presence of DMAP, attack is directed to C-4, giving anthranilic acid derivatives: Synthesis, 266 (1982). For reviews of the chemistry of isatoic anhydrides, including reactions with a wide range of nucleophiles and the formation of a variety of heterocyclic systems, see: Synthesis, 505 (1980); Adv. Heterocycl Chem., 28, 127 (1981).