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499-51-4

Basic Information
CAS No.: 499-51-4
Name: 4-Hydroxypyridine-2,6-dicarboxylic acid
Article Data: 18
Molecular Structure:
Molecular Structure of 499-51-4 (4-Hydroxypyridine-2,6-dicarboxylic acid)
Formula: C7H5NO5
Molecular Weight: 183.12
Synonyms: 4-Hydroxydipicolinic acid;4-Hydroxypyridine-2,6-dicarboxylic acid;2,6-Dicarboxy-4-hydroxypyridine;Helidaminicacid;Chelidamic acid;4-Oxo-1,4-dihydropyridine-2,6-dicarboxylic acid;
Density: 1.726 g/cm3
Melting Point: 251-255 °C (decomp)(Solv: water (7732-18-5))
Boiling Point: 428.3 °C at 760 mmHg
Flash Point: 212.8 °C
PSA: 107.72000
LogP: 0.18360
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Specification

The 2,6-Pyridinedicarboxylicacid, 4-hydroxy-, with the CAS registry number 499-51-4, is also known as 2,6-Dicarboxy-4-hydroxypyridine. This chemical's molecular formula is C7H5NO5 and molecular weight is 183.12. What's more, its systematic name is 4-oxo-1,4-dihydropyridine-2,6-dicarboxylic acid.

Physical properties of 2,6-Pyridinedicarboxylicacid, 4-hydroxy- are: (1)ACD/LogP: -1.43; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -5.98; (4)ACD/LogD (pH 7.4): -6.18; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 6; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 72.91 Å2; (13)Index of Refraction: 1.634; (14)Molar Refractivity: 37.95 cm3; (15)Molar Volume: 106 cm3; (16)Polarizability: 15.04×10-24cm3; (17)Surface Tension: 89.6 dyne/cm; (18)Density: 1.726 g/cm3; (19)Flash Point: 212.8 °C; (20)Enthalpy of Vaporization: 74.95 kJ/mol; (21)Boiling Point: 428.3 °C at 760 mmHg; (22)Vapour Pressure: 1.56E-08 mmHg at 25°C.

Uses of 2,6-Pyridinedicarboxylicacid, 4-hydroxy-: it can be used to produce 6-tert-butoxycarbonylamino-pyridine-2-carboxylic acid ethyl ester at the temperature of 100 °C. It will need reagents P2O5, Bu4NBr and solvent toluene with the reaction time of 1 hour. The yield is about 80%.

2,6-Pyridinedicarboxylicacid, 4-hydroxy- can be used to produce 6-tert-butoxycarbonylamino-pyridine-2-carboxylic acid ethyl ester at the temperature of 100 °C

You can still convert the following datas into molecular structure:
(1)SMILES: O=C\1/C=C(/C(=O)O)NC(/C(=O)O)=C/1
(2)InChI: InChI=1S/C7H5NO5/c9-3-1-4(6(10)11)8-5(2-3)7(12)13/h1-2H,(H,8,9)(H,10,11)(H,12,13)
(3)InChIKey: XTLJJHGQACAZMS-UHFFFAOYSA-N