Basic

CAS No.	16860-43-8
Product Name	4-hydroxyphenylbutazone
Synonyms	4-Hydroxyphenylbutazone; NSC 382672; 3,5-Pyrazolidinedione, 4-butyl-4-hydroxy-1,2-diphenyl-; 4-butyl-4-hydroxy-1,2-diphenylpyrazolidine-3,5-dione
Molecular Formula	C19H20N2O3
Molecular Weight	324.3737

Physical property

Density	1.256g/cm3
Boiling point	462.3°C at 760 mmHg
Flash point	233.4°C
Refractive index	1.615