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    Alizarin
CAS: 72-48-0 | C14H8O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
                            CAS Registry Number:
                            72-48-0
                        
                        
                            Molecular Formula:
                            C14H8O4
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Molecular Weight:
                            240.21399999999997 g/mol
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                    Names and Synonyms:
                                    Alizarin
                                    
                                
                                
                                
                                    9,10-Anthracenedione, 1,2-dihydroxy-
                                    
                                
                                
                                
                                    Alizarin B
                                    
                                
                                
                                
                                    Anthraquinone, 1,2-dihydroxy-
                                    
                                
                                
                                
                                    1,2-Dihydroxy-9,10-anthracenedione
                                    
                                
                                
                                
                                    C.I. 58000
                                    
                                
                                
                                
                                    Alizarin
                                    
                                
                                
                                
                                    Alizarina
                                    
                                
                                
                                
                                    Alizarine
                                    
                                
                                
                                
                                    Alizarine B
                                    
                                
                                
                                
                                    Alizarine 3B
                                    
                                
                                
                                
                                    Alizarine Indicator
                                    
                                
                                
                                
                                    Alizarine Lake Red 2P
                                    
                                
                                
                                
                                    Alizarine Lake Red IPX
                                    
                                
                                
                                
                                    Alizarine NAC
                                    
                                
                                
                                
                                    Alizarine L Paste
                                    
                                
                                
                                
                                    Alizarine Paste 20 percent Bluish
                                    
                                
                                
                                
                                    Alizarine Red
                                    
                                
                                
                                
                                    Alizarine Red B
                                    
                                
                                
                                
                                    Alizarine Red B2
                                    
                                
                                
                                
                                    Alizarine Red L
                                    
                                
                                
                                
                                    Alizarine Red IP
                                    
                                
                                
                                
                                    Alizarine Red IPP
                                    
                                
                                
                                
                                    1,2-Anthraquinonediol
                                    
                                
                                
                                
                                    Alizarine Lake Red 3P
                                    
                                
                                
                                
                                    Certiqual Alizarine
                                    
                                
                                
                                
                                    C.I. Mordant Red 11
                                    
                                
                                
                                
                                    1,2-Dihydroxyanthraquinone
                                    
                                
                                
                                
                                    Eljon Madder
                                    
                                
                                
                                
                                    Mitsui Alizarine B
                                    
                                
                                
                                
                                    Turkey red
                                    
                                
                                
                                
                                    Alizarin Red
                                    
                                
                                
                                
                                    D And C Orange Number 15
                                    
                                
                                
                                
                                    Deep Crimson Madder 10821
                                    
                                
                                
                                
                                    1,2-Dihydroxy-9,10-anthraquinone
                                    
                                
                                
                                
                                    Mordant Red 11
                                    
                                
                                
                                
                                    C Ext. Red 62
                                    
                                
                                
                                
                                    Acid Metachrome Red B
                                    
                                
                                
                                
                                    Acid Mordant Red B
                                    
                                
                                
                                
                                    NSC 7212
                                    
                                
                                
                                
                                    Qiansu
                                    
                                
                                
                                
                                    CSU-1585
                                    
                                
                                
                                
                                    CSU 1585
                                    
                                
                                
                                
                                    Rubican
                                    
                                
                                
                                
                                    1,2-Dihydroxy-9,10-dihydroanthracene-9,10-dione
                                    
                                
                                
                            Identifiers:
SMILES:
O=C1c2ccccc2C(=O)c2c1ccc(O)c2O
                                
                            InChI:
InChI=1S/C14H8O4/c15-10-6-5-9-11(14(10)18)13(17)8-4-2-1-3-7(8)12(9)16/h1-6,15,18H
                                
                            Spectral Data
NMR, IR, and Mass spectral data
1H NMR
        13C NMR
    Predicting NMR spectra...
    
                10 ppm
                9
                8
                7
                6
                5
                4
                3
                2
                1
                0 ppm
            
            
            
            | Shift (ppm) | Multiplicity | Integration | Assignment | 
|---|
                200 ppm
                180
                160
                140
                120
                100
                80
                60
                40
                20
                0 ppm
            
            
            
            | Shift (ppm) | DEPT | Assignment | 
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Category | Property | Value | Source | 
|---|---|---|---|
| Physical Properties | molecular_mass | 240.21 g/mol | Legacy Database | 
| wikipedia_url | https://en.wikipedia.org/wiki/Alizarin | Legacy Database | |
| cas-boiling-point | 430 °C | Legacy Database | |
| cas-canonical-smile | O=C1C=2C=CC=CC2C(=O)C3=C(O)C(O)=CC=C13 | Legacy Database | |
| cas-inchi | InChI=1S/C14H8O4/c15-10-6-5-9-11(14(10)18)13(17)8-4-2-1-3-7(8)12(9)16/h1-6,15,18H | Legacy Database | |
| cas-inchi-key | InChIKey=RGCKGOZRHPZPFP-UHFFFAOYSA-N | Legacy Database | |
| cas-melting-point | 289.5 °C | Legacy Database | |
| cas-name | Alizarin | Legacy Database | |
| wikipedia-name | Alizarin | Legacy Database | |
| LogP | 1.8732000000000006 | RDKit | |
| Molecular | Molecular Weight | 240.21399999999997 g/mol | RDKit | 
| Exact | Exact Molecular Weight | 240.042258736 g/mol | RDKit | 
| Heavy | Heavy Atom Count | 18 count | RDKit | 
| Hydrogen | Hydrogen Bond Acceptors | 4 count | RDKit | 
| Hydrogen Bond Donors | 2 count | RDKit | |
| Rotatable | Rotatable Bonds | 0 count | RDKit | 
| Aromatic | Aromatic Ring Count | 2 count | RDKit | 
| Topological | Topological Polar Surface Area | 74.60000000000001 Ų | RDKit | 
| Molar | Molar Refractivity | 63.07860000000002 | RDKit |