2-{(E)-[6-({4-chloro-6-[(4-{[2-(sulfooxy)ethyl]sulfonyl}phenyl)amino]-1,3,5-triazin-2-yl}amino)-1-hydroxy-3-sulfonaphthalen-2-yl]diazenyl}naphthalene-1,5-disulfonic acid

Melting point / freezing point

Link to relevant study record(s)

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

09-10-2018 – 09-10-2018

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Justification for type of information:

Experimental test result performed using standard 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 was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block.

GLP compliance:

no

Type of method:

other: standard laboratory method

Specific details on test material used for the study:

- IUPAC Name: 2-[[6-[[4-Chloro-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-1,5-naphthalenedisulfonic acid tetrasodium salt
- Mol. formula: C31H20ClN7Na4O16S5
- Molecular Weight: 1034.275 g/mole
- InChI: 1S/C31H24ClN7O16S5.4Na/c32-29-35-30(33-17-4-7-19(8-5-17)56(41,42)13-12-55-60(52,53)54)37-31(36-29)34-18-6-9-20-16(14-18)15-25(58(46,47)48)26(27(20)40)39-38-23-11-10-21-22
(28(23)59(49,50)51)2-1-3-24(21)57(43,44)45;;;;/h1-11,14-15,40H,12-13H2,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54)(H2,33,34,35,36,37);;;;/q;4*+1/p-4/b39-38+;;;;
- Smiles:c1cc2c(ccc(c2S(=O)(=O)[O-])N=Nc3c(cc4cc(ccc4c3O)Nc5nc(nc(n5)Cl)Nc6ccc(cc6)S(=O)(=O)CCOS(=O)(=O)[O-])S(=O)(=O)[O-])c(c1)S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
- Appearance : Solid

Key result

Atm. press.:

978.5 hPa

Decomposition:

yes

Decomp. temp.:

>= 190.6 - <= 195.3 °C

Sublimation:

no

Remarks on result:

other: other details not available

Observation Table & Result :

Method Details		Observations
Guideline	OECD 102
Method	Capillary/metal block
Principle of method	The temperature at which a solid becomes a liquid at standard atmospheric pressure
Atmospheric pressure	hPa	978.5 hPa
Decomposition	Decomposition temperature (°C), if applicable	Yes
Sublimation	Sublimation temperature (°C), if applicable	NO
Mean decomposition temperature	°C	190.6-195.3°C

Conclusions:

The melting point determination of Test item was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition temperature was determine to be 190.6-195.3°C at 978.5 hPa.

Executive summary:

The melting point determination of Test item was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition temperature was determine to be 190.6-195.3°C at 978.5 hPa.

Description of key information

The melting point determination of Test item was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition temperature was determine to be 190.6-195.3°C at 978.5 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:

190.6 °C

Additional information

The melting point determination of Test item was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition temperature was determine to be 190.6-195.3°C at 978.5 hPa.