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491-59-8

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Basic Information
CAS No.: 491-59-8
Name: CHRYSAROBIN
Molecular Structure:
Molecular Structure of 491-59-8 (CHRYSAROBIN)
Formula: C15H12O3
Molecular Weight: 240.258
Synonyms: 3-Methyl-1,8,9-anthracenetriol;1,8,9-Anthracenetriol,3-methyl;Chrysophanic acid anthranol;1,8-Dihydroxy-3-methylanthron;3-Methyl-anthracen-1,8,9-triol;3-Methyl-1,8,9-trihydroxyanthracene;3-methyl-anthracene-1,8,9-triol;chrysarobin;3-Methylanthralin;1,8,9-Trihydroxy-3-methylanthracene;
Density: 1.1783 (rough estimate)
Melting Point: 203.7 °C
Boiling Point: 342.97°C (rough estimate)
Flash Point: 232.1oC
Safety: Mutation data reported. An irritant and an allergen. Combustible when exposed to heat or flame. When heated to decomposition it emits acrid smoke and fumes.
PSA: 60.69000
LogP: 3.41820
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Conditions
ConditionsYield
unter Luftabschluss;
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Conditions
ConditionsYield
With pyridine In ethanol; toluene60%
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Chemistry

IUPAC Name: 3-Methylanthracene-1,8,9-triol
Synonyms of Chrysarobin (CAS NO.491-59-8 ) : 1,8,9-Trihydroxy-3-methylanthracene ; 1,8-Dihydroxy-3-methylanthron ; 3-Methyl-1,8,9-anthracenetriol ; 3-Methylanthralin ; Chrysophanic acid anthranol
InChI: InChI=1/C15H12O3/c1-8-5-10-7-9-3-2-4-11(16)13(9)15(18)14(10)12(17)6-8/h2-7,16-18H,1H3 
Product Categories: Anthraquinones, Hydroquinones and Quinones
CAS NO:491-59-8
Molecular Formula:C15H12O3
Molecular Weight :240.254
Molecular Structure :
Index of Refraction: 1.8
Surface Tension: 74.7 dyne/cm
Density: 1.419 g/cm3
Flash Point: 232.1 °C
Enthalpy of Vaporization: 75.87 kJ/mol
Boiling Point: 468.5 °C at 760 mmHg
Vapour Pressure: 2.11E-09 mmHg at 25°C

Toxicity Data With Reference

Physical Property Value Units Temp (deg C) Source
Melting Point 203.7 deg C   EXP
log P (octanol-water) 3.450 (none)   EST
Water Solubility 210 mg/L 25 EXP
Vapor Pressure 4.89E-10 mm Hg 25 EST
Henry's Law Constant 6.38E-17 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.01E-10 cm3/molecule-sec 25 EST

Safety Profile

Mutation data reported. An irritant and an allergen. Combustible when exposed to heat or flame. When Chrysarobin (CAS NO.491-59-8 ) is heated to decomposition, it emits acrid smoke and fumes.