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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
nanomaterial Zeta potential
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13/04/2018.
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

GLP compliance:
no
Remarks:
but study conducted in a laboratory holding a current statement of GLP compliance.
Type of method:
other: Dynamic Light Scattering (DLS)
Details on methods and data evaluation:
A suitable amount of the test substance, titanium nitride, the sample was added to 20ml of WFI and vortexed for 30s. The solution was ultrasonicated for 1 minute immediately prior to analysis using a FB15051 ultrasonic bath.

Test material

Constituent 1
Chemical structure
Reference substance name:
Titanium nitride
EC Number:
247-117-5
EC Name:
Titanium nitride
Cas Number:
25583-20-4
Molecular formula:
NTi
IUPAC Name:
titanium nitride
Test material form:
solid: nanoform

Data gathering

Instruments:
LIMS 2411 Malvern Zetasizer Nano ZSP 5600, LIMS 2411, SOP 043.01

Instrument parameters

Material
Refractive Index: 1.351
Absorption: 2.760

Dispersant (as Water)
Temperature: 25 °C
Viscosity: 0.8872 cP
RI: 1.330
Dielectric constant: 78.5

General options
Equilibrium Time: 120 s
Cell Type: DTS1070 (Zeta Cell)

Measurement
Number of runs: Automatic
Number of measurements: 3
Delay between measurements: 0
Data Processing: Automatic

Results and discussion

Zeta potential
Key result
Zeta potential:
-36.2 mV

Applicant's summary and conclusion

Conclusions:
The Zeta potential of TiN, measured by Dynamic Light Scattering, is -36.2 mV.