Pigment Intermediates are complex chemicals that are
designed to add special properties, when small quantities of such are
included while formulating specific products. Pigment intermediates find
a vast application in the color-producing industries, like textiles,
inks, paper, and coatings and a host of others.
Some of the common types of Pigment Intermediates and their properties
are given here.
||Primary melting point
||1-Naphthol content %
|Grey white slice or even powder.
||around 120 degree C for the first grade, 119.5 degree C for
||99.1% for the first grade, and around 98.6 for the second
||0.20 for the first grade, while 0.30 for second grade.
|Physical properties of Tobias acid
- White crystalization
- Slight solubility in cold water
- Soluble in hot water
- but sparsely soluble in ethanol and ether.
Primary use as azo dyestuff and as azo pigment
||Min of 97.5%
||Cream or a slightly red powder
|Primary melting point (of dried product)
||(+) 3% to standard
|Matter insoluble in lye
||Maximum of 0.4%