1,4-Dihydroxyanthraquinone CAS# 81-64-1
1,4-Dihydroxyanthraquinone CAS# 81-64-1 - 图片 2
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1,4-Dihydroxyanthraquinone CAS# 81-64-1

Orange. Orange red powder. Insoluble in water, soluble in ether, in strong base in certain solubility, but soluble in organic solvent oil, etc. In concentrated sulfuric acid in green yellow fluorescence. Mainly used for oil coloring. Also used in all kinds of plastic and resin, light industry products coloring.

1,4-Dihydroxyanthraquinone is used to color gasoline and some heating oils. It is used as an intermediate for the synthesis of indanthrene- and alizarin-derived dyes. It is also used to form lake pigments with calcium, barium and lead. It may be used in the synthesis of cyclopentanoids by cyclization of α,β-unsaturated aldehyde with 1,4-Dihydroxyanthraquinone. It has been studied as a long range emissive ratiometric fluorescent probe for live cell imaging.

Category Tag

1,4-Dihydroxyanthraquinone CAS# 81-64-1

Product Name: 1,4-Dihydroxyanthraquinone
Synonyms: CI NO 58050;CI 58050;LABOTEST-BB LT00052844;1,4-dihydroxy-10-anthracenedione;1,4-dihydroxy-9,10(9H,10H)anthracenedione;1,4-Dihydroxyanthra-9,10-quinone;1,4-Dihydroxyanthrachinon;9,10-anthracenedione,1,4-dihydroxy-
CAS: 81-64-1
MF: C14H8O4
MW: 240.21
EINECS: 201-368-7
Product Categories: Intermediates of Dyes and Pigments;Solvent Dyestuff;Anthraquinones, Hydroquinones and Quinones;Anthraquinones;Hydroxyanthraquinones;1;81-64-1;john’s
Mol File: 81-64-1.mol
1,4-Dihydroxyanthraquinone Structure
1,4-Dihydroxyanthraquinone Chemical Properties
Melting point 195-200 °C
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
pka pK (18°) 9.51
Colour Index 58050
form powder
color red-brown
Water Solubility <1 g/L (20 ºC)
Merck 14,8064
BRN 1914036
InChIKey GUEIZVNYDFNHJU-UHFFFAOYSA-N
LogP 4.2 at 25℃
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)
Safety Information
Hazard Codes Xi,N
Risk Statements 36/37/38-43-50/53
Safety Statements 22-24/25-36/37-26-61-60
RIDADR UN 3077 9 / PGIII
WGK Germany 2
RTECS CB6600000
TSCA Yes
HS Code 2914 69 80
PackingGroup III
Hazardous Substances Data 81-64-1(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 5000 mg/kg

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