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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:
weight of evidence
Study period:
From July 24 to 27, 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Principles of method if other than guideline:
Test was performed according to SOP - SRT 028 protocol.
GLP compliance:
no
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[2-[4-[(2-cyanoethyl)methylamino]phenyl]vinyl]-1,3,3-trimethyl-3H-indolium dihydrogen phosphate
EC Number:
276-471-3
EC Name:
2-[2-[4-[(2-cyanoethyl)methylamino]phenyl]vinyl]-1,3,3-trimethyl-3H-indolium dihydrogen phosphate
Cas Number:
72208-21-0
Molecular formula:
C23H26N3.H2O4P
IUPAC Name:
2-(2-{4-[(2-cyanoethyl)(methyl)amino]phenyl}vinyl)-1,3,3-trimethyl-3H-indolium dihydrogen phosphate
Test material form:
solid: particulate/powder

Results and discussion

Melting / freezing point
Melting / freezing pt.:
>= 206 - <= 236 °C
Decomposition:
yes
Decomp. temp.:
> 236 °C
Sublimation:
no

Applicant's summary and conclusion

Conclusions:
Melting point between 206 and 236 °C, followed by decomposition.
Executive summary:

Method

Differential scanning calorimetry (DSC) was used to study the substance.

Results

The sample melts between 206 and 236 °C, with onset at 221.9 °C (enthalpy of -90.5 J/g). Melting is followed by decomposition.