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