Tropaeolin O sodium salt
SIAL/44565 - indicator
Synonym: 4-
CAS Number: 547-57-9
Empirical Formula (Hill Notation): C12H9N2O5SNa
Molecular Weight: 316.27
MDL Number: MFCD00007499
Linear Formula: C12H9N2O5SNa
Product Type: Chemical
λmax | ≥500 at 1% in 0.1 M NaOH (1 cm) |
488-492 nm in 0.1 M NaOH | |
composition | sulfated ash, 40-60% |
grade | indicator |
InChI | 1S/C12H10N2O5S.Na/c15-9-3 |
InChI key | COEZWFYORILMOM-IERUDJENSA |
loss | ≤13.0% loss on drying |
pH | 11-13 |
SMILES string | [Na+].Oc1ccc(N=Nc2ccc(c |
technique(s) | titration: suitable |
UV/Vis spectroscopy: suitable |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Colour Index Number | 14270 |
UNSPSC | 41116105 |