Registration Dossier
Registration Dossier
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Reaction mass of disodium 2-({4-methyl-2-[(4-{[5-methyl-1-(2-sulfonatophenyl)hexan-3-yl]amino}-9,10-dioxo-9,10-dihydroanthracen-1-yl)methyl]pentyl}amino)benzene-1-sulfonate,disodium 4-{5-methyl-3-[(4-{[5-methyl-1-(4-sulfonatophenyl)hexan-3-yl]amino}-9,10-dioxo-9,10-dihydroanthracen-1-yl)amino]hexyl}benzene-1-sulfonate anddisodium 4-{5-methyl-3-[(4-{[5-methyl-1-(2-sulfonatophenyl)hexan-3-yl]amino}-9,10-dioxo-9,10-dihydroanthracen-1-yl)amino]hexyl}benzene-1-sulfonate
EC number: 947-270-4 | CAS number: -
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- July 06, 2017 - July 11, 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- > 500 °C
- Atm. press.:
- ca. 1 013 hPa
- Decomposition:
- yes
- Executive summary:
The test item did not show any melting up to 500 °C.
Reference
Two DSC measurements with a heating rate of 10 K/min showed an endothermal effect in the temperature range of 105 – 130 °C. Visual inspection of the 2nd measurement did not show any melting of the test item.
The results of the DSC measurements are summarized inTable 1.
Table1: Melting point (DSC measurements)
Ident No. |
Test item / mg |
Starting temperature / °C |
Final test temperature / °C |
Temperature range (endo-thermal) / °C |
Onset (melting) / °C |
Crucible |
Observations after the measurement |
36360 |
17.31 |
25 |
500 |
- |
- |
Aluminium with a hole |
Test item decomposed, black residue: 84 % mass loss |
36374 |
11.21 |
25 |
300 |
105 – 130 |
- |
Aluminium with a hole |
Test item appeared unchanged: 6 % mass loss |
Description of key information
The test item did not show any melting up to 500 °C.
Key value for chemical safety assessment
Additional information
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