1-Aminoanthraquinone-2-carboxylic Acid
Structural Formula Vector Image
Title: 1-Aminoanthraquinone-2-carboxylic Acid
CAS Registry Number: 82-24-6
CAS Name: 1-Amino-9,10-dihydro-9,10-dioxo-2-anthracenecarboxylic acid
Molecular Formula: C15H9NO4
Molecular Weight: 267.24
Percent Composition: C 67.42%, H 3.39%, N 5.24%, O 23.95%
Literature References: Prepd by reduction of 1-nitroanthraquinone-2-carboxylic acid with sodium sulfide: Terres, Ber. 46, 1639 (1913); by boiling 1-nitro-2-methylanthraquinone with alcoholic potassium hydroxide: Scholl, Monatsh. Chem. 34, 1011 (1913); by heating 1-nitro-2-bromomethylanthraquinone with sodium acetate and o-dichlorobenzene: Locher, Fierz, Helv. Chim. Acta 10, 667 (1927).
Properties: Red needles from nitrobenzene, mp 295-296°. Soluble in aniline, boiling nitrobenzene, in sodium hydroxide and aq pyridine with formation of a deep red soln, in concd sulfuric acid with formation of a yellowish-brown soln; slightly sol in ether, benzene, alcohol. Insol in water, ligroin.
Melting point: mp 295-296°
 
Derivative Type: Methyl ester
Molecular Formula: C16H11NO4
Molecular Weight: 281.26
Percent Composition: C 68.33%, H 3.94%, N 4.98%, O 22.75%
Properties: Red needles from glacial acetic acid, mp 228°.
Melting point: mp 228°
 
Derivative Type: Ethyl ester
Molecular Formula: C17H13NO4
Molecular Weight: 295.29
Percent Composition: C 69.15%, H 4.44%, N 4.74%, O 21.67%
Properties: mp 198°.
Melting point: mp 198°
 
Derivative Type: Phenyl ester
Molecular Formula: C21H13NO4
Molecular Weight: 343.33
Percent Composition: C 73.46%, H 3.82%, N 4.08%, O 18.64%
Properties: Reddish-golden crystals from glacial acetic acid, mp 198°.
Melting point: mp 198°
 
Use: For the detection of traces of aluminum, magnesium, or zinc.

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