Chemical name: N-isopropyl-N'-phenyl-p-phenylene diamine
Molecular formula : C₁₅H₁₈N₂
Structure Formula :

CAS NO:101-72-4
Quality standard: (GB 8828-2003)

Item	Top-grade	First grade
Appearance	Purple grey to violet brown granular solid
Melting point, ℃ ≥	71.0 ℃	70.0 ℃
Loss on heat, % ≤	0.50	0.50
Ash, % ≤	0.30	0.30
Assay, % ≥	95.0	92.0

Properties: Purple grey to violet brown flaky or granular crystal,soluble in organic solvent such as oil and alcohol. Hardly soluble in petroleum. Insoluble in water.
Application: used in vehicle tyres, shoes and belt products
Package: paper-plastic laminated bag, 25kg/bag or 20kg/bag.