Free release

481-74-3 chrysophanol

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Product Name Chrysophanol
CAS No. 481-74-3
Synonyms C.I. 75400; C.I. Natural Yellow 23; Chrysophanic acid; 1,8-Dihydroxy-3-methyl-anthraquinone; 1,8-dihydroxy-3-methylanthracene-9,10-dione
InChI InChI=1/C15H10O4/c1-7-5-9-13(11(17)6-7)15(19)12-8(14(9)18)3-2-4-10(12)16/h2-6,16-17H,1H3
Molecular Formula C15H10O4
Molecular Weight 254.2375
Density 1.476g/cm3
Melting point 194-198℃
Boiling point 489.5°C at 760 mmHg
Flash point 263.9°C
Water solubility <0.1 g/100 mL at 18℃
Refractive index 1.709
Hazard Symbols Xi:Irritant;
Risk Codes R36/37/38:;
Safety S26:; S37/39:;