Color Index:Solvent Green 7
Counter Type: Pyranine(SG7),pyranine,Solvent green 7,water soluble dye,HPTS,Synonyms,solvent green 108,transparent green
CAS NO:6358-69-6
EINECS NO:228-783-6
C.I.NO:59040
Chemical constitution: Quinphthalones solvent dyes
Molecular Weight:524.39
Chemical Formula: C16H7Na3O103S3
Chemical Name:1,3,6-phrenetrisulfonic acid,8-hydroxy

Solvent green 7 also named Pyranine,it is a water soluble fluorescence dye,it can be used in fluorescence ink,fluorescent mark pen, and mechanical testing showed agent, printing ink, Fluorescent tracer for boiler system ,Cold water treatment.
|
Color shade |
Bright yellow |
|
Heat resistance |
≥300℃ |
|
Light resistance |
7-8 |
|
Migration resistance |
4-5 |
|
Moisture(%) |
≤0.5 |
|
PH VALUE |
6-8 |
|
ASH(%) |
<0.5 |