Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
01 June 2017 to 06 July 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
State assesed as part of the granulometry study
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)

Test material

Constituent 1
Chemical structure
Reference substance name:
7-hydroxy-N,N,N-trimethylnaphthalen-2-aminium methyl sulfate
Cas Number:
377734-55-9
Molecular formula:
C14H19NO5S
IUPAC Name:
7-hydroxy-N,N,N-trimethylnaphthalen-2-aminium methyl sulfate
Test material form:
solid: particulate/powder
Specific details on test material used for the study:
Note in the report (7-Hydroxy-2-naphthyl)-trimethylammonium methyl sulphate (NBTRI) is referred to as EGB12-10-1 NBTRI

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Substance type:
organic

Applicant's summary and conclusion

Conclusions:
(7-Hydroxy-2-naphthyl)-trimethylammonium methyl sulphate was a Solid with a median particle size of 235µm.
Executive summary:

(7-Hydroxy-2-naphthyl)-trimethylammonium methyl sulphate was a Solid with a median particle size of 235µm.