1,4-Dihydroxyanthraquinone Basic information
Product Name: 1,4-Dihydroxyanthraquinone
Synonyms: 4-(2,4-dichlorophenoxy)butanoic acid 2-ethylhexyl ester;1,4-dihydroxyanthrachinon(czech)[qr];1,4-dihydroxy-anthraquinon;1,4-Dioxyanthraquinone;1,4-dioxyanthraquinone(russian)[qr];1,4-Doa;1,4-doa(russian)[qr];10-Anthracenedione,1,4-dihydroxy-9
CAS: 81-64-1
MF: C14H8O4
MW: 240.21
EINECS: 201-368-7
Product Categories: Intermediates of Dyes and Pigments;Anthraquinones, Hydroquinones and Quinones;Anthraquinones;Hydroxyanthraquinones;Solvent Dyestuff
Mol File: 81-64-1.mol
1,4-Dihydroxyanthraquinone Structure
1,4-Dihydroxyanthraquinone Chemical Properties
Melting point 198-199 °C(lit.)
Boiling point 450 °C
density 1.3032 (rough estimate)
vapor density 8.3 (vs air)
vapor pressure 1 mm Hg ( 196.7 °C)
refractive index 1.5430 (estimate)
Fp 222 °C
storage temp. Store below +30°C.
solubility <1g/l
form powder
pka pK (18°) 9.51
Colour Index 58050
color red-brown
Water Solubility <1 g/L (20 ºC)
Merck 14,8064
BRN 1914036
InChIKey GUEIZVNYDFNHJU-UHFFFAOYSA-N
CAS DataBase Reference 81-64-1(CAS DataBase Reference)
NIST Chemistry Reference 9,10-Anthracenedione, 1,4-dihydroxy-(81-64-1)
EPA Substance Registry System Quinizarin (81-64-1)