CAS No: 482-89-3, Chemical Name: Indigo
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482-89-3 Indigo

product Name Indigo
Synonyms C.I. 73000; C.I. Vat Blue 1; 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2'-Bis(2,3-dihydro-3-oxoindolylidene); Indigo blue; Vat Blue 1; 2,2'-biindole-3,3'(1H,1'H)-dione
Molecular Formula C16H10N2O2
Molecular Weight 262.2628
InChI InChI=1/C16H10N2O2/c19-15-9-5-1-3-7-11(9)17-13(15)14-16(20)10-6-2-4-8-12(10)18-14/h1-8,17-18H
CAS Registry Number 482-89-3
EINECS 207-586-9
Molecular Structure 482-89-3 Indigo
Density 1.417g/cm3
Melting point 390-392℃ (dec.)
Boiling point 400.4°C at 760 mmHg
Refractive index 1.709
Flash point 158.2°C
Water solubility <0.1 g/100 mL
Vapour Pressur 1.27E-06mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;