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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Substance Endpoint 4-tert-Butylphenol
State of the substance solid, white, phenolic 
Melting/ Freezing point 99.2 °C 
Boiling point 238 °C at approx. 101 kPa
Relative density Bulk density: 0.382 g/cm³ at 22 °C 
Vapour pressure

0.5 Pa at 20 °C 

Surface tension Waiving: based on structure (surface activity is not expected)
Water solubility 607.2 mg/L at 25 °C, pH 6 - 7 
Partition coefficient, logPow

3.0 at 23 °C, pH 5.7 

Flash point Waiving: substance is a solid at room temperature

no flammable (burning time: 93 s)

Explosive properties

Waiving: based on experience and on consideration of the structure

Ignition temperature Waiving: substance is a solid with a melting point < 160 °C
Oxidizing Properties Waiving: based on experience and on consideration of the structure 
Granulometry Waiving: substance is marketed as flakes, there are virtually no particles below 100 µm
Dissociation Constant 10.25 at 20 °C
 Viscosity at 20 °C  Waiving: substance is a solid
 Stability in organic solvents  Statement: stable in organic solvents