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Purpurin
Purpurin / CAS : 81-54-9
| Appearance | Brown-red to brown Powder | UN | 0 |
| HS | 2914690090 | DG Class | 0 |
| Synonyms | 1,2,4-Trihydroxyanthraquinone; Verantin; 1,2,4-Trihydroxyanthracene-9,10-Dione; Hydroxylizaric acid; Purpurine; 1,2,4-Trihydroxy-9,10-Anthracenedione; 1,2,4-Trihydroxy-9,10-Anthraquinone; 1,2,4-Trihydroxyanthrachinon; Anthraquinone, 1,2,4-Trihydroxy-; 9,10-Anthracenedione, 1,2,4-Trihydroxy-; 1,2,4-Trihydroxyanthra-9,10-Quinone; 1,2,4-Trihydroxy-Anthraquinone; 1,2,4-Trihydroxy-9,10-Dihydroanthracene-9,10-Dione; Purpurin, Madder root; Madder Purple; Alizarin Purpurin; Oxylizarinic acid; 4-Hydroxyalizarin; 9TF; 1,4-Trihydroxyanthrachinon; 1,4-Trihydroxyanthraquinone; 9, 1,2,4-Trihydroxy-; Purpurin, Dye Content 90 %; Anthraquinone,2,4-Trihydroxy-; 1,4-Trihydroxy-9,10-Anthraquinone; 1,2,4-Trihydroxy-9,10-Anthrachinon; 4,9,10-Trihydroxy-1,2-Anthraquinone; 1,2,4-tris(Oxidanyl)Anthracene-9,10-Dione; Purpurin, for Spectrophotometric det. (of B, Pb) | ||
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Properties
Summary
Formula
C14H8O5
Molecular Mass
256.21000
Exact Mass
256.03700
PSA
94.83000
Logp
1.57880
IUPAC
1,2,4-trihydroxyanthracene-9,10-dione
SMILES
C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3O)O)O
Attribute classification
Matter Classification
organic
Category
Plant and Other Extracts > Plant Extracts
Dyestuffs and Pigments > Intermediates
Dyestuffs and Pigments > Intermediates
Chemical and Physical Properties
Melting Point
253-256ºC(lit.)
Density
1.659 g/cm3
Boiling Point
525.1ºC at 760 mmHg
Flash Point
113ºC
Appearance
Brown-red to brown Powder
Export information
HS Code
2914690090
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
R36/37/38
Safety Label
Xi,C,F
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