5-Chloro-1-phenyl-1H-tetrazole

• Catalog No.: B22272
• CAS Number: 14210-25-4
• M. F.: C7H5ClN4
• M. W.: 180.5944
• Purity: 98+%

SYNONYMS

• Title: 5-氯-1-苯基-1H-四唑
• IUPAC name: 5-chloro-1-phenyl-1H-1,2,3,4-tetrazole
• IUPAC Traditional name: 1-phenyl-5-chlorotetrazole

DATABASE IDS

• CAS Number: 14210-25-4
• Beilstein Number: 139070
• EC Number: 238-065-4
• MDL Number: MFCD00003128

PROPERTIES

• Purity: 98+%
• Melting Point: 122-124°C
• GHS Hazard statements: H228-H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• European Hazard Symbols: Flammable (F)
• GHS Precautionary statements: P210-P241-P305+P351+P338-P302+P352-P405-P501A
• Risk Statements: 11-36/37/38
• Safety Statements: 26-37-60
• TSCA Listed: 是
• Hazard Class: 4.1
• UN Number: UN1325
• Packing Group: II

REFERENCES

• Reacts with phenols in the presence of base (K₂CO₃-acetone) to form the 5-aryloxy-1-phenyltetrazoles, hydrogenolysis of which over Pd provides a mild procedure for replacement of phenolic OH by H: J. Am. Chem. Soc., 88, 4271 (1966); Org. Synth. Coll., 6, 150 (1988). Improved results have been obtained by catalytic transfer hydrogenolysis in the presence of hydrazine as H-donor: Tetrahedon Lett., 21, 4747 (1980).