S P E C I F I C A T I O N S

ANTIPYRINE

Synonyms:				2,3-Dimethyl-1-phenyl-3-pyrazolin-5-one;
					Phenazone

CAS No.:				60-80-0

Chemical Formula:			C11H12N2O

Formula Weight:			188.23

Description:				White or primrose yellow crystalline powder

Identification:			Positive

Assay:					99.0 - 100.5%

Melting Point:			110 – 112.5 Deg. C

Loss on drying:			< 1.0%

Heavy metals  (as Pb):		< 0.002%

Residue on Ignition:		< 0.15%

Related compounds:		Passes Test

Effective Date: 01/28/09