Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Manufacture, use & exposure

Uses by professional workers

Documentsopen allclose all

Uses by professional workers

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Regulatory status:
use in cosmetics products
Reference
Name:
1-naphthol
Type of composition:
legal entity composition of the substance
State / form:
solid: bulk
Reference substance:
1-naphthol
Contributing activity / technique for the environment
Name of activity / technique:
Use leading to inclusion into/onto matrix - hair.
Use of hair dyes for the purpose of dyeing human and synthetic hair by working professionals.
Environmental release category (ERC):
ERC8a: Widespread use of non-reactive processing aid (no inclusion into or onto article, indoor)
ERC8b: Widespread use of reactive processing aid (no inclusion into or onto article, indoor)
Contributing activity / technique for workers
Name of activity / technique:
Product receipt and transfer into appropriate containers.
Mixing of the substance in small containers.
Application by brushing onto the desired material (natural or synthetic hair) for the purpose of inclusion of the mixture into/onto the material.
Process category (PROC):
PROC 0: Other: Use of mixture/substance for the purpose of hair dyeing
Product category used:
PC 39: Cosmetics, personal care products
Sector of end use:
SU 0: Other: Personal care services
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant to this use:
no
Insignificant exposure via the following route:
oral
dermal
eye
inhalatory
Insignificant release via the following route:
water
waste
Pattern of exposure:
occasional

Uses by professional workers

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1-naphthol
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
1-naphthol
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC8b: Widespread use of reactive processing aid (no inclusion into or onto article, indoor)
Contributing activity / technique for workersopen allclose all
Process category (PROC):
PROC 15: Use as laboratory reagent
Process category (PROC):
PROC 9: Transfer of substance or mixture into small containers (dedicated filling line, including weighing)
Product category used:
PC 21: Laboratory chemicals
Sector of end use:
SU 0: Other: professional
Substance supplied to that use in form of:
as such
Subsequent service life relevant to this use:
no
Related assessment:
use assessed in an own CSR

Uses by professional workers

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
Reference
Name:
1-naphthol
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
1-naphthol
Contributing activity / technique for the environment
Environmental release category (ERC):
ERC8a: Widespread use of non-reactive processing aid (no inclusion into or onto article, indoor)
Contributing activity / technique for workers
Process category (PROC):
PROC 0: Other: not applicable - cosmetic use
Product category used:
PC 39: Cosmetics, personal care products
Sector of end use:
SU 20: Health services
Substance supplied to that use in form of:
as such
in a mixture
Subsequent service life relevant to this use:
no
Related assessment:
use assessed in an own CSR

Uses by professional workers

Registration/ Notification status for the use:
use registered according to REACH Article 10; total tonnage manufactured/imported <10tonnes/year per registrant
Regulatory status:
use in cosmetics products
Contributing activity / technique for the environment
Name of activity / technique:
Application of a hair dye
Environmental release category (ERC):
ERC8a: Widespread use of non-reactive processing aid (no inclusion into or onto article, indoor)
Contributing activity / technique for workers
Name of activity / technique:
Application of a hair dye
Process category (PROC):
PROC 0: Other: not applicable
Product category used:
PC 39: Cosmetics, personal care products
Sector of end use:
SU 0: Other: Professional uses of cosmetic products
Substance supplied to that use in form of:
in a mixture
Subsequent service life relevant to this use:
no
Pattern of exposure:
continuous / frequent