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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines.
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Principles of method if other than guideline:
The melting point determination of Test item 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride was done as per the test guideline OECD 102, via Capillary/metal block method.
GLP compliance:
not specified
Type of method:
other: Capillary/metal block method
Specific details on test material used for the study:
- Name of test material: C.I. Basic Violet 2 / (4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride)
- IUPAC name: 4-[(4-amino-3-methylphenyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline hydrochloride
- Molecular formula: C22H24ClN3
- Molecular weight: 365.906 g/mole
- Smiles :C(\c1cc(c(N)cc1)C)(c1cc(c(N)cc1)C)=C1\C=C(C(=[NH+])C=C1)C.[ClH-]
- Inchl: 1S/C22H23N3.ClH/c1-13-10-16(4-7-19(13)23)22(17-5-8-20(24)14(2)11-17)18-6-9-21(25)15(3)12-18;/h4-12,23H,24-25H2,1-3H3;1H
- Substance type: Organic
- Physical state: Solid Green crystalline powder
Key result
Melting / freezing pt.:
>= 225 - <= 228 °C
Atm. press.:
968.9 hPa
Decomposition:
yes
Sublimation:
yes
Remarks on result:
other: Capillary/metal block method.

Method Details

 

Observations

Remarks if,

any

Guideline

OECD 102

-

 

Method

Capillary/metal block

-

Grinding of Test

item done

 

Yes

Atmospheric

pressure

hPa

968.9 hPa

Decomposition

Decomposition temperature (°C), if applicable

Yes

Sublimation

Sublimation temperature(°C), if applicable

Yes

mean melting

temperature range

°C

225-228 °C
Conclusions:
The Mean Melting Temperature Range of 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride (CAS No. 3248-91-7) was determined be 225 - 228°C at 968.9 hPa.
Executive summary:

The melting point determination of Test item 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride (CAS No. 3248-91-7 ) was done as per the test guideline OECD 102. The method followed was according to

Capillary/metal block.

The test was conducted in replicates and Mean Melting Temperature Range was determined to be 225 - 228°C at 968.9 hPa.

Description of key information

The Mean Melting Temperature Range of 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride (CAS No. 3248-91-7) was determined be 225 - 228°C at 968.9 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
228 °C

Additional information

The melting point determination of Test item 4-[(4-amino-m-tolyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-o-toluidine monohydrochloride (CAS No. 3248-91-7 ) was done as per the test guideline OECD 102. The method followed was according to

Capillary/metal block.

The test was conducted in replicates and Mean Melting Temperature Range was determined to be 225 - 228°C at 968.9 hPa.