Physical-chemistry property: 1) Light
yellow paste or powder, soluble in alcohol and ether; Insoluble in
water, easily dissolved in alkaline solution.
2) Easily oxidated to red in air, it has properties of aromatic acid
and aromatic amine.
Specification
Item
Index of quality
Moist Product
Dry Product
Appearance
Light yellow paste
Light yellow powder
Total Amino Value
(on total paste basis), min
47%
Total Amino Value of Dry product
(on total sample basis), min
95%
Benzyl Matter
(on basics of 100% DSD acid) max.
0.25
0.25
Matter Insoluble in Alkali
(on basis of 100% DSD acid), max
0.05
0.05
Chromaticity, max
0.20
0.1
Content of Ash %, max
2.0
Usage:
Used in
manufacture of fluorescent whitening agent, Direct Chrysophenine G,
Direct yellow R and used as insecticide ect.
