Product name: Antioxidant H

CAS No. 74-31-7

Chemical Name:  N,N-Diphenyl-p-phenylenediamine

Purity : 85%


silver flaky, relative density: 1.18-1.2. melting point: 150-152℃, soluble in acetone, benzene, toluene,chlorobenzene, aether, carbon bisulfide and chloroform, slightly soluble in ethanol and gasoline, insoluble in water.


Appearance:Light grey to brown granular

Initial boiling point of dry product/℃:≥140

Heating loss/%:≤0.50Ash


Residue on sieve( 150μ )≤1.0



Woven bag with plastic lining, NW: 25kg/bag. Stored in dry and cool place.


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Changshu Sino Petroleum co. [常熟市中商石油化工有限公司] ,Founded in 2008.  Currently, we are hold a manufacture base co-joined with China National Petroleum Corporation (CNPC). At present,Changshu Sino Petroleum mainly focuses on three areas: manufacture , chemistry transportation and logistics, and storage plant.


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