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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The melting point was obtained by DSC (Differential Scanning Calorimetry) which is an accurate analysis method

Data source

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

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
DSC ( temp.Scan : 30 to 350°C at 3°C/min)
Gaz : Nitrogen
Stainless crucible
GLP compliance:
no
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
(E)-N-[1-(naphthalen-1-yl)ethylidene]hydroxylamine
EC Number:
700-765-7
Cas Number:
100485-51-6
Molecular formula:
C12H11NO
IUPAC Name:
(E)-N-[1-(naphthalen-1-yl)ethylidene]hydroxylamine

Results and discussion

Melting / freezing point
Melting / freezing pt.:
ca. 129 °C
Atm. press.:
ca. 760 mm Hg
Decomposition:
yes
Decomp. temp.:
ca. 185 °C

Applicant's summary and conclusion

Conclusions:
Melting point is around 129°C at atmospheric pressure and decomposition at 185 °C