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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Melting point / freezing point

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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
Melting point - Ultraphtol BA
Author:
Jan Kraska
Year:
1990
Bibliographic source:
Kraska, Jan; Dyes and Pigments 1990, V12(1), P57-63 SciFinder Database

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Database entry.
Type of method:
other: not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
EC Number:
248-048-3
EC Name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide
Cas Number:
26848-40-8
Molecular formula:
C18H13N3O3
IUPAC Name:
3-hydroxy-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide
Test material form:
solid: particulate/powder

Results and discussion

Melting / freezing point
Melting / freezing pt.:
360 °C
Atm. press.:
101.3 kPa

Applicant's summary and conclusion