- CAS number:
- 90-15-3
- INCI:
- 1-Naphthol
- EINECS number:
- 201-969-4
- Functionality
- Hair dye
- Non Governmental organization
- -
- MSDS
- request by email
Another alternative blue coupler, but the results tend to be more towards the purple side. It gives quite a bright red when combined with PAP.






