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Product Quality Standard:
Item Technical Index 1STGRADE
Appearance white or Light Brown Tablet
Light Brown Tablet
Diphenylamine, %>= 99.50 99.00
Freezing Point, 0>= 52.5 52.3
Alcohol Insoluble Substance, %<=
Moisture, %<= 0.3 -
Water Extact Substance
Low boiling Point Substance, %<=
High boiling Point Substance, %<=
Aniline, %<= 0.2 -
White crystal. . Turn pale and brown yellow when meet lights. Gravity:1.160(20oC) , boilpoint:3020, little soluble in water, soluble in alcohol, ether, benzene and so on. Can soluble in concentrated inorganic acid solution, but it can separate out if water is put to dilute.
The product is mainly used for rubber antioxidant, dyestuff, medical intermediate, lubricating oil antioxidant, and powder stablizer.
Plastic knitted bags lined with black thin film, Weight: 25kg per bag.
Package with metal pail, Weight:200kg per pail
Package can be on basis of the user's requirements.