Aluminon
Names
Other names
ammonium aurin-tricarboxylate; 5-[(3-carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-ylidene)methyl]-2-hydroxybenzoic acid triammonium salt
Identifiers
CAS Number
569-58-4 Y
3D model (JSmol)
ChemSpider
2016698 Y
ECHA InfoCard
100.008.473
EC Number
UNII
23J05NR06D Y
DTXSID40932215 DTXSID20889354, DTXSID40932215
InChI=1S/C22H14O9.3H3N/c23-16-4-1-10(7-13(16)20(26)27)19(11-2-5-17(24)14(8-11)21(28)29)12-3-6-18(25)15(9-12)22(30)31;;;/h1-9,23-24H,(H,26,27)(H,28,29)(H,30,31);3*1H3
Y Key: AIPNSHNRCQOTRI-UHFFFAOYSA-N
Y InChI=1/C22H14O9.3H3N/c23-16-4-1-10(7-13(16)20(26)27)19(11-2-5-17(24)14(8-11)21(28)29)12-3-6-18(25)15(9-12)22(30)31;;;/h1-9,23-24H,(H,26,27)(H,28,29)(H,30,31);3*1H3
Key: AIPNSHNRCQOTRI-UHFFFAOYAI
O=C([O-])\C1=C\C(\C=C/C1=O)=C(\c2ccc(O)c(C([O-])=O)c2)c3ccc(O)c(C([O-])=O)c3.[NH4+].[NH4+].[NH4+]
Properties
Chemical formula
C22 H23 N3 O9
Molar mass
473.43 g/mol
Appearance
yellow-brown crystals, red in aqueous solution
Solubility in other solvents
freely soluble in H2 O
Hazards
GHS labelling:
Pictograms
Signal word
Warning
Hazard statements
H315 , H319
Precautionary statements
P264 , P280 , P302+P352 , P305+P351+P338 , P321 , P332+P313 , P337+P313 , P362
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound
Aluminon , the triammonium salt of aurintricarboxylic acid, is a dye often used to detect the presence of the aluminium ion in an aqueous solution. Aluminon forms a red complex salt in combination with Al3+ .[1]
Deep purple pigment in a neutral aqueous solution. Made from aluminon and ferric (Fe3+ ) ions.
In addition to its use in qualitative inorganic analysis, aluminon has applications in pigment production. It forms brilliantly colored lake pigments with many metals. The pigments are red in combination with Be2+ and Ga3+ . The pigment is deep purple or reddish-brown in combination with Fe3+ . Color of a particular pigment in acidic solutions may change: aluminon and Sc3+ form red pigments if the solution is acidic, but otherwise the solutions are colorless.[1]
Aluminon is prepared by reacting sodium nitrite with salicylic acid, adding formaldehyde, then treating with ammonia.[2]
^ a b Clark, RA; Krueger, GL (1985). "Aluminon: its limited application as a reagent for the detection of aluminum species". Journal of Histochemistry & Cytochemistry . 33 (7): 729–732. doi:10.1177/33.7.3891845 . ISSN 0022-1554. PMID 3891845.
^ Merck Index , 13th Ed.
Last Update: 2023-02-02T18:55:48Z
Aluminon , the triammonium salt of aurintricarboxylic acid, is a dye often used to detect the presence of the aluminium ion in an aqueous solution. Aluminon...
Word Count : 167
Last Update: 2024-04-27T19:18:24Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2024-01-20T13:26:35Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
Word Count : 257
Last Update: 2024-05-28T21:06:17Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
Word Count : 1298
Last Update: 2024-05-31T16:04:22Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2023-07-08T16:56:07Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2022-11-15T15:38:28Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2023-09-09T20:43:39Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2024-04-04T17:52:40Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2024-03-31T18:43:10Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
Word Count : 675
Last Update: 2024-05-31T19:11:36Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2021-12-11T22:19:24Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2024-03-19T14:29:23Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2024-01-20T14:46:39Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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Last Update: 2024-03-19T14:05:42Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
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v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
Word Count : 286
Last Update: 2023-08-13T17:00:15Z
v t e Ammonium salts Inorganic salts Organic salts Aluminon Ammonium acetate Ammonium adipate Ammonium benzoate Ammonium bituminosulfonate Ammonium carbamate...
Word Count : 215