1,4-Dihydroxy-anthraquinone [ 81-64-1 ]

Cas Number: 81-64-1
Product Code
117739
Product Name
1,4-Dihydroxy-anthraquinone
Cas Number
81-64-1
Appearance
orange to red-brown crystalline powder
Melting Point
198-199(lit.) ( ℃ )
Boiling Point
249.3 ( ℃ )

Chemical properties from acetic acid in precipitating the orange crystallization. Adequate soluble in ethanol red, brown and yellow is soluble in ether fluorescence, soluble in liquid and ammonia treatments of purple.
Use used in the manufacture of reductive dyes, disperse dyestuffs and reactive dye intermediates

mp  198-199 °C(lit.)
bp  450 °C
vapor density  8.3 (vs air)
vapor pressure  1 mm Hg ( 196.7 °C)
Fp  222 °C
Colour Index  58050
form  powder
color  red-brown
Water Solubility  <1 g/L (20 ºC)
Merck  14,8064
BRN  1914036