Key to Table
|
a
|
Very sparingly soluble – may bleed or stain |
|
B
|
Insoluble in water, soluble in aqueous alkaline solution |
|
b
|
Turns much bluer in hue |
|
C
|
Practically insoluble, but useful in nearly neutral or slightly acid emulsions |
|
c
|
@ 25 degrees Centigrade |
|
D
|
Practically insoluble, but may be dispersed by grinding and homogenizing; solid mediums (waxes) should be softened or melted before or during the grinding |
|
d
|
Hue becomes duller or darker |
|
E
|
Practically insoluble in the fatty acid, oil, or wax, but useful in coloring slightly alkaline aqueous emulsions |
|
F
|
Solution usually fluorescent |
|
G
|
Soluble or dispersible in oils and waxes in presence of 10-25% of a fatty acid |
|
g
|
Turns much greener in hue |
|
I
|
Insoluble |
|
J
|
Tends to thicken or gel the solution |
|
k
|
Turns brownish in hue |
|
L
|
Turns orange in hue |
|
M
|
Moderately soluble (<1%) |
|
m
|
Turns scarlet in hue |
|
p
|
Dye precipitated as heavy-metal salt or color acid |
|
r
|
Turns redder in shade |
|
S
|
Dissolves (solubilty >1%) |
|
SS
|
Sparingly soluble (<0.25%) |
|
U
|
In alkaline-reducing vats a soluble leuco compound forms |
|
v
|
Turns violet in hue |
|
W
|
Not fast to prolonged storage in some waxes |
|
w
|
Becomes tinctorially weaker |
|
x
|
Turns yellow in hue |
|
y
|
Turns yellower in hue |
|
z
|
Hazy or cloudy |
|
*
|
Practically colorless |
|
1
|
Very poor fastness |
|
2
|
Poor fastness |
|
3
|
Fair fastness |
|
4
|
Moderate fastness |
|
5
|
Good fastness |
|
6
|
Very good fastness |
|
7
|
Excellent fastness |