USD $8.00-10.00 / Metric Ton
USD $8.00-50.00 / Metric Ton
USD $2.30-10.00 / Metric Ton
USD $2.00-5.00 / Metric Ton
USD $1.00-8.00 / Metric Ton
USD $1.00-3.00 / Metric Ton
USD $35.00-69.00 / Metric Ton
iso 9001 certificate
good quality
competitive price
on time delivery
1.high purity 99.7%
2.use for synthesize rubber antiager, dye, medicine intermediate, lubricating oil antioxidant
3.sgs,msds
diphenylamine(dpa)
cas no.:122-39-4
application: diphenylamine is mainly used to synthesize rubber antiager, dye, medicine intermediate, lubricating oil antioxidant, and powder stabilizer.
property: white crystal, becoming gray or brownish yellow once exposed to light, specific gravity: 1.160 (20/20°)
boiling point:302°c, lightly dissolving in water, dissolving in ethanol, diethyl ether, benzene, dissolving in thick inorganic acid solution but separating if diluted by water
molecular formula: (c6h5)2nh
molecular weight:169.23
structure formula:
properties:white crystal. boil point:302°c, little soluble in water, soluble in alcohol,ehter,benzene and so on. can soluble in concentrated inorganic acid solution, but it can be separated out if water is put to dilute.
usage:the product is mainly used for rubber antioxidant,dyestuff,medical intermediate,lubricating oil antioxidant, and powder stabilizer.
package:this product is packed in 25kg paper&plasticcomposite sack. it should be kept away from sunlight, moisture, andheat. this product could also be packed according to customer's needs.
specification:
item |
technical index |
grade |
1st grade |
appearance |
white , light yellow or brown tablet or particle |
diphenylamine,% |
≥99.50 |
low boiling point, |
≤0.5 |
aniline, % |
≤0.1 |
freezing point,degree celsius |
≥52.60 |
reaction of water extract substance |
neutral |
moisture, % |
≤0.2 |
alcohol insoluble substance, % |
≤0.05 |