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Lawsone

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Lawsone / CAS : 83-72-7

Appearance Yellow Crystalline Powder UN 0.0
HS 29146900 DG Class 0.0
Synonyms 1,4-Naphthalenedione, 2-Hydroxy-; 2-Hydroxy-p-Naphthoquinone; 2-Hydroxy-1,4-Naphoquinone; 2-Hydroxy-1,4-Naphthoquinone
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Properties

Summary

Formula
C10H6O3
Molecular Mass
174.15300
Exact Mass
174.03200
PSA
54.37000
Logp
1.50750
IUPAC
4-hydroxynaphthalene-1,2-dione
SMILES
C1=CC=C2C(=C1)C(=CC(=O)C2=O)O

Attribute classification

Matter Classification
organic
Category
Cosmetics > Cosmetic Raw Materials
Dyestuffs and Pigments > Other Dyes

Chemical and Physical Properties

Melting Point
192-195 °C (dec.)
Density
1.46 g/cm3 (25ºC)
Boiling Point
339.908ºC at 760 mmHg
Appearance
Yellow Crystalline Powder
Acidity and Basicity
neutral

Export information

HS Code
29146900
Export Rebate
13%
UN No.
0.0
DG-Class
0.0
Risk Code
R36/37/38-68-36-22
Safety Label
Xi,Xn

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