1,4-Dihydroxyanthraquinone high quality 1,4-Dihydroxyanthraquinone High purity 1,4-Dihydroxyanthraquinone
CAS 81-64-1
EINECS 201-368-7
Chemical formula C14H8O4
Molecular weight 240.21
InChI InChI = 1 / C14H8O4 / c15 - the 9-5-6-10 (16) 12-13 (17) 11 (9) 7-3-1-7-3-1 (7) 14 (12) 18 / h1-6, 15-16 h
InChIKey GUEIZVNYDFNHJU-UHFFFAOYSA-N
Density 1.3032 (rough estimate)
Melting point 195-200 °C
Boiling point 450 °C
Flash point 222 °C
Water soluble < 1 g/L (20 ºC)
Vapor pressure 1 mm Hg (196.7 °C)
Vapor density 8.3 (vs air)
Solubility < 1g/l
Refractive index 1.5430 (estimate)
Acidity coefficient pK (18°) 9.51
Storage conditions Store below +30°C.
Appearance powder
The color is red-brown
Merck 14,8064
BRN 1914036
The physical and chemical properties precipitated from acetic acid are orange crystals. Moderately soluble in ethanol is red, soluble in ether is brown and yellow fluorescence, soluble in caustic soda and ammonia is purple.
The product is used to manufacture intermediate of VAT dyes, disperse dyes and reactive dyes
MDL number MFCD00001209
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