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Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
Data is from modelling database developed by USEPA
Qualifier:
according to guideline
Guideline:
other: Estimated data
Principles of method if other than guideline:
MPBPVP v1.43 was used to estimate the Melting point of 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulpho-2-naphthyl] azo]phenyl]amino]-3-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid
GLP compliance:
not specified
Type of method:
other: Estimated by calculation
Specific details on test material used for the study:
- Name of test material : 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulpho-2-naphthyl]azo]phenyl]amino]-3-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid
- Molecular formula : C44H35N13O11S3
- Molecular weight : 1018.0385 g/mol
- Smiles notation : c1cc(ccc1Nc2ccc(cc2S(=O)(=O)O)/N=N/c3c(cc4ccc(cc4c3O)/N=N/c5ccc(cc5N)N)S(=O)(=O)O)/N=N/c6c(cc7ccc(cc7c6O)/N=N/c8ccc(cc8N)N)S(=O)(=O)O
- InChl : 1S/C44H35N13O11S3/c45-24-3-12-35(33(47)17-24)54-51-28-5-1-22-15-39(70(63,64)65)41(43(58)31(22)19-28)56-50-27-9-7-26(8-10-27)49-37-14-11-30(21-38(37)69(60,61)62)53-57-42-40(71(66,67)68)16-23-2-6-29(20-32(23)44(42)59)52-55-36-13-4-25(46)18-34(36)48/h1-21,49,58-59H,45-48H2,(H,60,61,62)(H,63,64,65)(H,66,67,68)/b54-51+,55-52+,56-50+,57-53+
- Substance type : Organic
- Physical state : Solid
Key result
Melting / freezing pt.:
350 °C
Decomposition:
no
Sublimation:
no
Remarks on result:
other: Estimated value
Conclusions:
Based on prediction done using MPBPVP v1.43,the melting point of 6 -[(2,4 -diaminophenyl)azo]-3 -[[4 -[[4 -[[7 -[(2,4 -diaminophenyl)azo]-1 -hydroxy-3 -sulpho-2 -naphthyl]azo]phenyl]amino]-3 -sulphophenyl]azo]-4 -hydroxynaphthalene-2 -sulphonic acid was estimated to be 350 Deg C.
Executive summary:

Based on the prediction done using the EPI Suite MPVPBP V1.43,the melting point of 6 -[(2,4 -diaminophenyl)azo]-3 -[[4 -[[4 -[[7 -[(2,4 -diaminophenyl)azo]-1 -hydroxy-3 -sulpho-2 -naphthyl]azo]phenyl]amino]-3 -sulphophenyl]azo]-4 -hydroxynaphthalene-2 -sulphonic acid was predicted.

The melting point of 6 -[(2,4 -diaminophenyl)azo]-3 -[[4 -[[4 -[[7 -[(2,4 -diaminophenyl)azo]-1 -hydroxy-3 -sulpho-2 -naphthyl]azo]phenyl]amino]-3 -sulphophenyl]azo]-4 -hydroxynaphthalene-2 -sulphonic acid was estimated to be 350 ˚C.

Description of key information

Based on prediction done using MPBPVP v1.43,the melting point of 6 -[(2,4 -diaminophenyl)azo]-3 -[[4 -[[4 -[[7 -[(2,4 -diaminophenyl)azo]-1 -hydroxy-3 -sulpho-2 -naphthyl]azo]phenyl]amino]-3 -sulphophenyl]azo]-4 -hydroxynaphthalene-2 -sulphonic acid was estimated to be 350 Deg C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
350 °C

Additional information

Based on the prediction done using the EPI Suite MPVPBP V1.43,the melting point of 6 -[(2,4 -diaminophenyl)azo]-3 -[[4 -[[4 -[[7 -[(2,4 -diaminophenyl)azo]-1 -hydroxy-3 -sulpho-2 -naphthyl]azo]phenyl]amino]-3 -sulphophenyl]azo]-4 -hydroxynaphthalene-2 -sulphonic acid was predicted.

The melting point of 6 -[(2,4 -diaminophenyl)azo]-3 -[[4 -[[4 -[[7 -[(2,4 -diaminophenyl)azo]-1 -hydroxy-3 -sulpho-2 -naphthyl]azo]phenyl]amino]-3 -sulphophenyl]azo]-4 -hydroxynaphthalene-2 -sulphonic acid was estimated to be 350 ˚C.