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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Oxidising properties

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Administrative data

Link to relevant study record(s)

oxidising liquids
Type of information:
other: Expert Statement
Adequacy of study:
supporting study
Study period:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Short expert statement referencing a procedure designed to be compatible with Method A.21 Oxidising Properties (Liquids) of Commission Regulation (EC) No 440/2008 of 30 May 2008.
equivalent or similar to guideline
EU Method A.21 (Oxidising Properties (Liquids))
GLP compliance:
Specific details on test material used for the study:
- Identification: tris(2-hydroxyethyl)methylammonium hydroxide CAS 33667-48-0
- Batch: D26-3-3-1
- Purity: 47.4%
- Expiry: 01 December 2018
- Storage conditions: Room temperature in the dark
Key result
other: theoretical basis
Remarks on result:
other: no oxidising properties

The structure contains no groups that would infer oxidising properties. Therefore the result has been predicted negative.

Interpretation of results:
GHS criteria not met
The test substance is not an oxidising substance based on its chemical structure.

Description of key information

The substance was concluded to be non-oxidising based on its chemical structure in an Expert Statement (Covance, 2019).

Key value for chemical safety assessment

Oxidising properties:
non oxidising

Additional information

Justification for classification or non-classification

The structure of THEMAH contains no groups that would infer oxidising properties. This results in an absence of classification under the CLP regulation.