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Wichtige Dokumente
B4007
Pyromellitsäure
96%
Synonym(e):
1,2,4,5-Benzentetra-Carboxylsäure
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About This Item
Lineare Formel:
C6H2(CO2H)4
CAS-Nummer:
Molekulargewicht:
254.15
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352100
PubChem Substanz-ID:
NACRES:
NA.22
Empfohlene Produkte
Qualitätsniveau
Assay
96%
Form
powder
mp (Schmelzpunkt)
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)
InChIKey
CYIDZMCFTVVTJO-UHFFFAOYSA-N
Verwandte Kategorien
Anwendung
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.
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 1
Flammpunkt (°F)
617.0 °F
Flammpunkt (°C)
325 °C
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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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
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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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