1、 C.I. dye index number: C.I. 59040
2、 Color light: yellow light green
3、 Structural formula:
Screenshot 2026-06-05 145236.cn
4、 Corresponding foreign brands:
D&C Green No8(90129)----AI
Pyranin----DyStar
Pyranine----KKK
Spectra Pironine conc----SCC
5、 Quality indicators:
serial number
name
indicator
one
Appearance
Green
two
intensity
More than 120%
three
ash content
≤0.3%
four
moisture
≤0.8%
five
100 mesh sieve residue
Residue ≤ 3%
six
colored light
approximate
seven
Remark
/
6、 Purpose:
(1) Coloring for office use categories: fluorescent ink, fluorescent marker pen, water-based ink, etc;
(2) Coloring with alkaline cleaning agents: hand sanitizer, shampoo, soap, etc;
(3) Coloring of water-based materials: antifreeze, cutting fluid, water treasure box, water-based materials, etc;
(4) Coloring of oily materials: lubricants, cosmetics, etc;
(5) Tracer dyes for water quality systems;
(6) Tracer dyes for boiler systems.
7、 Application instructions: There is strong yellow fluorescence in alkaline solution, and it is recommended to adjust the pH value in the ink formula to not less than 9-10; 120% strength, very good water solubility, no precipitation.
8、 Packaging: cardboard drum lined with plastic bag, 25 kg/drum.