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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: according to valid method (DSC)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: national standard (VDI 2263)
Principles of method if other than guideline:
Differential Scanning Calorimetry (DSC)
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
2'-ethoxy-3-hydroxy-2-naphthanilide
EC Number:
202-185-5
EC Name:
2'-ethoxy-3-hydroxy-2-naphthanilide
Cas Number:
92-74-0
Molecular formula:
C19H17NO3
IUPAC Name:
N-(2-ethoxyphenyl)-3-hydroxynaphthalene-2-carboxamide
Constituent 2
Reference substance name:
Napthol AS-PH
IUPAC Name:
Napthol AS-PH

Results and discussion

Melting / freezing point
Melting / freezing pt.:
156 °C
Atm. press.:
ca. 1 atm
Decomposition:
yes
Decomp. temp.:
>= 370 °C
Remarks on result:
other: Mean decomposition energy: 49 J/g

Applicant's summary and conclusion

Conclusions:
The tested melting point is 156 °C.
Executive summary:

The melting point was determined using a Differential Scanning Calorimeter.