Collidic acid

Structural formula
General
Surname	Collidic acid
other names	Pyridine-2,4,6-tricarboxylic acid; H 3 ptc; Carbolutidic acid; Trimesitic acid;
Molecular formula	C 8 H 5 NO 6
Brief description	White needles
External identifiers / databases
PubChem	345552
ChemSpider	306468
Wikidata	Q33221881
properties
Molar mass	211.13 g mol −1
Physical state	firmly
Melting point	227 ° C (decomposes to nicotinic acid; and isonicotinic acid )
solubility	slightly soluble in water, ethanol and diethyl ether
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 317-319
	P: 280-305 + 351 + 338
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Collidinsäure (. From English Collidinic acid ; also Carbolutidinsäure , trimesitinic , pyridine-2,4,6-tricarboxylic acid ) is an organic compound belonging to the heterocycles (more precisely, heteroaromatics ) counts. It belongs to the group of pyridine tricarboxylic acids and consists of a pyridine ring that carries three carboxy groups in the 2-, 4- and 6-positions. The name is derived from 2,4,6-collidine ( 2,4,6-trimethylpyridine ).

Extraction and presentation

The connection may be through oxidation of 2,4,6-trimethyl with potassium permanganate be won.

use

Collidic acid can be used for the photometry of iron.

Individual evidence

↑ ^a ^b ^c ^d Richard Wolffenstein : Die Pflanzenalkaloide , 3rd edition, Berlin 1922, pp. 69–72 ( limited preview in the Google book search).
^ Johannes Leopold Meyer : Analysis and Constitution Determination of Organic Compounds , 4th edition, Berlin 1922, pp. 597-598 ( limited preview in the Google book search).
↑ ^a ^b Matrix Scientific: MSDS Pyridine-2,4,6-tricarboxylic acid , accessed December 27, 2019.
↑ B. Chatterjee: Donor properties of pyridine carboxylic acids: chromium (III) complexes , in: Journal of Inorganic and Nuclear Chemistry , Volume 43, No. 10, 1981, pp. 2553-2555; doi: 10.1016 / 0022-1902 (81) 80300-4 .
^ Raymond L. Richards: Vanadium: Inorganic & Coordination Chemistry , in: Encyclopedia of Inorganic and Bioinorganic Chemistry , 2011; doi: 10.1002 / 9781119951438.eibc0236 .
↑ Hong-Lin Zhu, Wei Xu, Jian-Fei Wang, Yue-Qing Zheng: Synthesis, crystal structures and properties of two supramolecular polymers constructed by lanthanide with pyridine-2,4,6-tricarboxylic acid . In: Synthetic Metals . tape 162 , no. 13-14 , 2012, pp. 1327-1334 , doi : 10.1016 / j.synthmet.2012.05.016 .
^ The Chemistry of Heterocyclic Compounds, Pyridine and Its Derivatives: Supplement . John Wiley & Sons, 2009, ISBN 978-0-470-18822-4 , pp. 298 ( limited preview in Google Book search).

[Wolffenstein-1] Richard Wolffenstein : Die Pflanzenalkaloide , 3rd edition, Berlin 1922, pp. 69–72 ( limited preview in the Google book search).

[Meyer_1922-2] Johannes Leopold Meyer : Analysis and Constitution Determination of Organic Compounds , 4th edition, Berlin 1922, pp. 597-598 ( limited preview in the Google book search).

[MSDS-3] Matrix Scientific: MSDS Pyridine-2,4,6-tricarboxylic acid , accessed December 27, 2019.

[4] B. Chatterjee: Donor properties of pyridine carboxylic acids: chromium (III) complexes , in: Journal of Inorganic and Nuclear Chemistry , Volume 43, No. 10, 1981, pp. 2553-2555; doi: 10.1016 / 0022-1902 (81) 80300-4 .

[5] Raymond L. Richards: Vanadium: Inorganic & Coordination Chemistry , in: Encyclopedia of Inorganic and Bioinorganic Chemistry , 2011; doi: 10.1002 / 9781119951438.eibc0236 .

[6] Hong-Lin Zhu, Wei Xu, Jian-Fei Wang, Yue-Qing Zheng: Synthesis, crystal structures and properties of two supramolecular polymers constructed by lanthanide with pyridine-2,4,6-tricarboxylic acid . In: Synthetic Metals . tape 162 , no. 13-14 , 2012, pp. 1327-1334 , doi : 10.1016 / j.synthmet.2012.05.016 .

[7] The Chemistry of Heterocyclic Compounds, Pyridine and Its Derivatives: Supplement . John Wiley & Sons, 2009, ISBN 978-0-470-18822-4 , pp. 298 ( limited preview in Google Book search).