Appearance: Yellow to green-yellow powder Assay: (1) N,N’-Bis(4-nitrophenyl) Urea compound (CAS No.175278-34-9 ): 67.4~73% (2) 2-Hydroxy-4,6-dimethylpyrimidine(C6H8N2O): 27.7~30% Melting point: 260~265’C Moisture: 1% max. Acidity: 5.0-7.0 Residue on ignition: 0.5% max Chloride: 0.28% max Ammonium salt: 1% max Free 2-hydroxy-4,6-dimethyl pyrimidine: 0.35% max. Package: 25kg/ kraft bag or 25kg/fibre drum

CAS NO:330-95-0

EC NO:206-359-1

Molecular Formula:C₁₉H₁₈N₆O₆

Molecular Weight:426.3828

Synonyms:;1,3-bis(4-nitrophenyl)urea--4,6-dimethylpyrimidin-2-ol (1:1);N,N-bis-(4-nitrophenyl)-urea with 4,6-Dimethyl-2(1H)-pyrimidinone 1:1;Perfume for benzin No. 63;n,n'-bis(4-nitrophenyl)urea compound with 4,6-dimethyl-2-pyrimidinone;1,3-bis(4-nitrophenyl)urea-4,6-dimethylpyrimidin-2-ol (1:1);Nicarbazine;1,3-Bis(4-nitrophenyl)urea-4,6-dimethylpyrimidin-2-ol ;1,3-bis(4-nitrophenyl)urea - 4,6-dimethylpyrimidin-2(1H)-one (1:1);

Molecular Structure: