The 2,4-Pyridinedicarboxylic acid, with the CAS registry number 499-80-9, is also known as Lutidinic acid. Its EINECS registry number is 207-892-2. This chemical's molecular formula is C₇H₅NO₄ and molecular weight is 167.12. What's more, both its IUPAC name and systematic name are the same which is called Pyridine-2,4-dicarboxylic acid. It is used as organic synthetic reagent.

Physical properties about 2,4-Pyridinedicarboxylic acid are: (1)ACD/LogP: -0.20; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.84; (4)ACD/LogD (pH 7.4): -4.34; (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: 5; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 65.49 Å²; (13)Index of Refraction: 1.627; (14)Molar Refractivity: 38.2 cm³; (15)Molar Volume: 107.7 cm³; (16)Surface Tension: 83.5 dyne/cm; (17)Density: 1.551 g/cm³; (18)Flash Point: 301.4 °C; (19)Enthalpy of Vaporization: 90.58 kJ/mol; (20)Boiling Point: 574.8 °C at 760 mmHg; (21)Vapour Pressure: 4.71E-14 mmHg at 25 °C.

Preparation of 2,4-Pyridinedicarboxylic acid: this chemical can be prepared by 2,4-Dimethyl-pyridine. This reaction needs reagents oxygen, Cu(NO₃)₂, H₂O at temperature of 225-230 °C.

When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. Therefore, you should avoid contacting with skin and eyes. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C(O)c1nccc(C(=O)O)c1
(2) InChI: InChI=1S/C7H5NO4/c9-6(10)4-1-2-8-5(3-4)7(11)12/h1-3H,(H,9,10)(H,11,12)
(3) InChIKey: MJIVRKPEXXHNJT-UHFFFAOYSA-N