SPECIFICATIONS

1,5 - DIPHENYLCARBOHYDRAZIDE ACS

Synonyms:				1,5-Diphenylcarbazide; 5-diphenylcarbazide, DPC

CAS No:					140-22-7

Chemical Formula:				C13H14N4O

Formula Weight:				242.28

Description:					Off-White to Off-White with a hint of pink
						 crystals or powder

Assay (HPLC):				97% minimum

Melting point:				173 - 176 deg. C

Residue after ignition:			0.05 % maximum

Loss on drying:				1.0% maximum

Sensitivity to Chromate:			To pass Test

Solubility in aqueous acetone:		To pass Test

Effective: 01/23/09