CAS NO. 793-24-8

CAS NO. 793-24-8

Rubber Antioxidant 4020 (6PPD)

Chemical Name: N-(1,3-DIMETHYLBUTYL)-N'-PHENYL-P-PHENYLENEDIAMINE

Other Name: 6PPD

Molecular Formula: C18H24N2

Molecular Weight: 268.40

Melting Point of Pure Product: 52 celsius degree

CAS NO. : 793-24-8

Technical Specification:

TITLE OF INDEX

TECHNICAL SPECIFICATIONS

Premium grade

Qualified grade

Appearance

Purple brown to dark brown granules or flakes

Assay, % min

(Area normalization method)

96.0

95.0

Crystallization Point, ? min

46.0

45.0

Loss on heating, % max

0.5

0.5

Ash content , % max

0.1

0.2


Properties: Pure products of 4020(CAS NO. 793-24-8) are white solid substances, and will gradually oxidize to brown solid when exposed to the aire. Industrial products purpose 4020 are purple brown to black brown granules or flakes, and will slowly cake when the temperature exceeds 35-40 celsius degree. Soluble in gasoline,benzene,acetone,ethyl acetate,dichloroethane,carbon tetrachloride,methylbenzene,ethylalcohol and other organic solvents, insoluble in water.


CAS NO.  793-24-8

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