quinizarin

CAS No. 81-64-1

Formula: C14H8O4
Basic Info

1,4-Dihydroxyanthraquinone, also called quinizarin or Solvent Orange 86, is an organic compound derived from anthroquinone. Quinizarin is an orange or red-brown crystalline powder. It is formally derived from anthraquinone by replacement of two hydrogen atoms by hydroxyl (OH) groups. It is one of ten dihydroxyanthraquinone isomers and occurs in small amounts (as a glycoside) in the root of the madder plant, Rubia tinctorum.

Formula
C14H8O4
Molecular Weight
240.211
Exact Mass
240.042
LogP
1.8732
PSA
74.6
Synonyms

Quinizalin

quiniazarine

QUINAZARIN

1,4-Dihydroxyanthraquinone

QUINIZARINE

1,4-Doa

QUINIZARIN

9,10-Anthracenedione, 1,4-dihydroxy-

1,4-dihydroxyanthracene-9,10-dione

smokeoranger

Chinizarin

DSD ACID

1,4-hydroxyanthraquinone

1,4-dihydroxy-9,10-anthraquinone

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Properties
Appearance & Physical State
orange or red crystalline powder
Density
1.54 g/cm3
Boiling Point
450ºC
Melting Point
191-193ºC
Flash Point
222ºC
Refractive Index
1.732
Water Solubility
<1 g/L (20 ºC)
Stability
Stable under normal temperatures and pressures.
Storage Condition
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Density
8.3 (vs air)
Vapor Pressure
1 mm Hg ( 196.7 °C)
Safety Info
RTECS
CB6600000
Safety Statements
S24/25
WGK Germany
2
Risk Statements
R36/37/38
HS Code
2914610000
Hazard Class
4.1
Packing Group
II; III
Hazard Codes
Spectrum
NMR Spectrum 1H NMR : Predict
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Mass Spectrum Mass spectrum (electron ionization)
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UV Spectrum UV/Visible spectrum
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Toxicity
SKIN/EYE IRRITATION DATA
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Type of Test
Standard Draize test
Exposure Route
Administration into the eye
Species Observed
Rodent - rabbit
Dose/Duration
500 mg/24H
Toxic Effects
--
Reference
Prehled Prumyslove Toxikologie; Organicke Latky, Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,654,1986
MUTATION DATA
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Type of Test
Mutation in microorganisms
Exposure Route
Species Observed
Dose/Duration
100 ug/plate
Toxic Effects
--
Reference
Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 40,203,1976

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