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Key Documents

B4007

Sigma-Aldrich

1,2,4,5-Benzenetetracarboxylic acid

96%

Synonym(s):

Pyromellitic acid

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About This Item

Linear Formula:
C6H2(CO2H)4
CAS Number:
Molecular Weight:
254.15
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

96%

form

powder

mp

281-284.5 °C (lit.)

SMILES string

OC(=O)c1cc(C(O)=O)c(cc1C(O)=O)C(O)=O

InChI

1S/C10H6O8/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16/h1-2H,(H,11,12)(H,13,14)(H,15,16)(H,17,18)

InChI key

CYIDZMCFTVVTJO-UHFFFAOYSA-N

Application

1,2,4,5-Benzenetetracarboxylic acid is extensively used as a ligand in the synthesis of a wide range of metal-organic frameworks (MOFs) and coordination polymers. It can also be used to prepare supramolecular hydrogels by synthesizing gelators reacting 1,2,4,5-benzenetetracarboxylic acid with 4-hydroxy pyridine.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

617.0 °F

Flash Point(C)

325 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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A Chattopadhyay et al.
Journal of chromatography. A, 758(2), 255-261 (1997-01-17)
A capillary electrophoresis (CE) method was developed for determining the diol content of supports used in high-performance affinity or size exclusion chromatography. This method involved oxidizing the diol-bonded support with periodate, followed by the use of CE to separate and
Yauhen Y Karabach et al.
Journal of inorganic biochemistry, 102(5-6), 1190-1194 (2008-01-08)
The new inorganic 1D coordination polymer [Cu2(H3tea)2(mu4-pma)]n has been prepared, via self-assembly in aqueous medium, from copper(II) nitrate, triethanolamine (H3tea), pyromellitic acid (H4pma) and lithium hydroxide, and characterized by IR spectroscopy, elemental and single-crystal X-ray diffraction analyses. This compound and
Gustavo A Blanco-Heras et al.
Journal of chromatography. A, 1144(2), 275-278 (2007-02-13)
Selectivity and robustness of the pyromellitic acid (PMA) based background electrolyte was improved in order to increase its applicability for routine analysis of inorganic and organic anions in real samples. An electrolyte composed of 6.75 mM PMA, 0.5 mM hexamethonium
James E A Webb et al.
Journal of the American Chemical Society, 129(22), 7155-7162 (2007-05-15)
The N,N',N'',N'''-1,2,4,5-tetra(ethylhexanoate) pyromellitamide is found to be capable of both intermolecular aggregation and binding to small anions. It is synthesized by aminolysis of pyromellitic anhydride with ethanolamine, followed by a reaction with hexanoyl chloride. The single-crystal X-ray structure of the
K-J Westin et al.
Journal of colloid and interface science, 282(2), 359-369 (2004-12-14)
The influence of four calcium complexing substances, i.e., citric acid (CIT), diethylenetriaminepentaacetic acid (DTPA), ethylenediaminetetraacetic acid (EDTA) and pyromellitic acid (PMA), on the crystal growth rate of the calcium carbonate polymorphs aragonite and calcite has been studied. Using a seeded

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