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1,2,3-Benzotriazin-4(3H)one_Molecular_structure_CAS_90-16-4)
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1,2,3-Benzotriazin-4(3H)one

Catalog No. A19798 Name Alfa Aesar
CAS Number 90-16-4 Website
M. F. C7H5N3O Telephone
M. W. 147.1341 Fax
Purity 97% Email
Storage Chembase ID: 85671

SYNONYMS

Title
1,2,3-苯并三嗪-4-酮
IUPAC name
3,4-dihydro-1,2,3-benzotriazin-4-one
IUPAC Traditional name
3H-1,2,3-benzotriazin-4-one
Synonyms
4-Ketobenzo-1,2,3(3H)-triazine

DATABASE IDS

CAS Number 90-16-4
MDL Number MFCD00052387
Beilstein Number 124996
EC Number 201-971-5

PROPERTIES

Purity 97%
Melting Point 222-224°C
GHS Pictograms GHS06
GHS Pictograms GHS08
GHS Hazard statements H301-H332-H361
European Hazard Symbols X
GHS Precautionary statements P261-P281-P301+P310-P321-P405-P501A
Risk Statements 20/22-62
RTECS DM0800000
Safety Statements 9-36/37
TSCA Listed

DETAILS

REFERENCES

  • Thermolysis with loss of N2 gives a reactive keteneimine intermediate which undergoes [4+2] cycloaddition reactions: Tetrahedron Lett., 3465 (1966). For similar reaction with scheme, see Isatoic anhydride, A14603.