CAS:81-64-1 1,4-Dihydroxyanthraquinone CAS NO.81-64-1

product name:	1,4-dihydroxyanthraquinone
synonyms:	1,4-dihydroxy-9,10-anthracenedione;1,4-dihydroxyanthraquinone;1,4 dihyroxy aq;dsd acid;ci no 58050;ci 58050;labotest-bb lt00052844;pigment violet 12
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 chemical properties

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
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	9,10-anthracenedione, 1,4-dihydroxy-(81-64-1)

safety information

hazard codes	xi,n
risk statements	36/37/38-43-50/53
safety statements	22-24/25-36/37-26-61-60
wgk germany	2
rtecs	cb6600000
hazardous substances data	81-64-1(hazardous substances data)

msds information

provider	language
1,4-dihydroxy-9,10-anthracenedione	english
sigmaaldrich	english
acros	english
alfa	english

1,4-dihydroxyanthraquinone usage and synthesis

chemical properties

orange to red-brown crystalline powder

1,4-dihydroxyanthraquinone preparation products and raw materials

preparation products

1,4-diamino anthraquinone-->acid blue 80-->hydroquinine (anthraquinone-1 4-diyl)-->1,4-diamino-2,3-dihydroanthraquinone-->mordant black 13-->tracid light yellow g-->disperse blue 3-->acid blue 25-->acid green 25-->transparent blue-->solvent blue 36-->solvent blue 104-->solvent green 3-->solvent blue 35-->solvent violet 13-->solvent blue 97-->acid green 27 (c.i. 61580)-->solvent blue 122-->solvent blue 59-->acid violet 43-->disperse blue 14-->disperse dye

raw materials

sulfuric acid -->phthalic anhydride-->hydroquinone-->orthoboric acid -->4-chlorophenol

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