3-Aminopicolinic acid
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3-Aminopicolinic acid
structure -
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CAS No:
1462-86-8
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Formula:
C6H6N2O2
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Chemical Name:
3-Aminopicolinic acid
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Synonyms:
2-Pyridinecarboxylic acid,3-amino-;Picolinic acid,3-amino-;3-Amino-2-pyridinecarboxylic acid;3-Aminopicolinic acid;3-Amino-2-carboxypyridine;3-Amino-2-picolinic acid
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CAS No:
Characteristics
76.2
0.6
Yellow to pale brown Solid
1.4±0.1 g/cm3
210 °C
386.6°C at 760 mmHg
187.6±23.7 °C
1.649
soluble in acetone, ethanol and methanol.
-20°C Freezer
1.14E-06mmHg at 25°C
Safety Information
IRRITANT
36/37/38
26-37-60
US5175000
Xi
Irritant
P261, P264, P271, P272, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P333+P313, P337+P313, P362, P363, P403+P233, P405, P501
H315
|Warning|H317 (96.36%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P264, P272, P280, P302+P352, P305+P351+P338, P321, P333+P313, P337+P313, P363, and P501|Aggregated GHS information provided by 55 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
3-Aminopicolinic acid Use and Manufacturing
Manufacture of 3-aminopyridine-2-carboxylic acid 3-nitropyridine-2-carboxylic acid (2.72 g, 16.2 mmol) and sodium hydrogencarbonate (1.34 g, 16.2 mmol) were dissolved in distilled water (20 mL), and the atmosphere in the system was replaced by nitrogen. After adding 10percent palladium charcoal (1.72 g), the atmosphere in the system was replaced by hydrogen, and the mixture stirred at room temperature for 50 hours. 1N hydrochloric acid aqueous solution was added, and the pH of the reaction solution was adjusted to weak acidity. The solvent was distilled off under reduced pressure, a small amount of ethanol and ethyl acetate were added to the residue, and the precipitate produced was filtered off. The filtrate was concentrated, and the target substance (1.50 g, 67percent) was thus obtained as a light yellow solid.
A useful synthetic intermediate
Computed Properties
Molecular Weight:138.12
XLogP3:0.6
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:1
Exact Mass:138.042927438
Monoisotopic Mass:138.042927438
Topological Polar Surface Area:76.2
Heavy Atom Count:10
Complexity:138
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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