Pyromellitic acid
Synonym(s):1,2,4,5-Benzenetetracarboxylic acid;Benzene-1,2,4,5-tetracarboxylic acid;Pyromellitic acid
- CAS NO.：89-05-4
- Empirical Formula: C10H6O8
- Molecular Weight: 254.15
- MDL number: MFCD00002471
- EINECS: 201-879-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-05-11 20:10:50
What is Pyromellitic acid?
Chemical properties
White powder. Absorbs moisture slowly if exposed to atmosphere. Soluble in alcohol, slightly soluble in water.
The Uses of Pyromellitic acid
Pyromellitic acid (PMA) is mainly used as intermediate for powder coating. Product Data Sheet
The Uses of Pyromellitic acid
1,2,4,5-benzenetetracarboxylic acid is used for the synthesis of the polyimide, pyromellitic octyl, etc., it is the main raw material of matting curing agent.
The Uses of Pyromellitic acid
Pyromellitic acid is an eluent used in anion chromatography and forms complexes with magnesium and calcium ions. It is used as a curing agent, as an intermediate for powder coating and a cross-linking agent for alkyd resin. It is involved in the synthesis of polyimide and pyromellitic octyl.
What are the applications of Application
Pyromellitic acid is an eluent for anion chromatography
Definition
ChEBI: A tetracarboxylic acid that is benzene substituted by four carboxy groups at positions 1, 2, 4 and 5 respectively.
Hazard
Skin irritant, may be carcinogenic.
Purification Methods
Dissolve it in 5.7 parts of hot dimethylformamide, decolorise, filter and cool. The precipitate is collected and dried in air. The solvent is removed by heating in an oven at 150-170o for several hours. It also crystallises from water. [Beilstein 9 H 997, 9 IV 3804.]
Properties of Pyromellitic acid
| Melting point: | 281-284.5 °C(lit.) |
| Boiling point: | 317.36°C (rough estimate) |
| Density | 0,56 g/cm3 |
| refractive index | 1.7010 (estimate) |
| Flash point: | 325 °C |
| storage temp. | Store below +30°C. |
| solubility | 0.1 M NaOH: 0.2 M, clear, faintly yellow |
| form | Crystalline Powder |
| pka | pK1: 1.92;pK2: 2.87;pK3: 4.49;pK4: 5.63 (25°C) |
| color | White to very slightly yellow |
| Water Solubility | 1.5 g/100 mL (20 ºC) |
| Merck | 14,8004 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong bases. |
| CAS DataBase Reference | 89-05-4(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2,4,5-Benzene-tetracarboxylic acid(89-05-4) |
| EPA Substance Registry System | 1,2,4,5-Benzenetetracarboxylic acid (89-05-4) |
Safety information for Pyromellitic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Pyromellitic acid
| InChIKey | CYIDZMCFTVVTJO-UHFFFAOYSA-N |
New Products
Tubulysin M (R)-tert-butyl (4-methyl-1-oxopentan-3-yl)carbamate Tubulysin I 4-CYANO-TETRAHYDROPYRAN-4-CARBOXYLIC ACID 3-METHYLAZETIDIN-3-OL HYDROCHLORIDE Isoxazole, 3-[[[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl]thio]-4,5-dihydro-5,5-dimethyl- 2-(azetidin-3-ylidene)acetonitrile (hydrochloride) 3-N-BOC-(S)-AMINO BUTYRONITRILE 1,2,3,6-TETRAHYDROPYRIDINE HYDROCHLORIDE 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol Fuel shell Imeglimin Hydrochloride IH Latanoprostene Bunod Magnesium Trisilicate Lubiprostone Flame Retardant Zinc Borate methyl 3-fluoro-4- thiomorpholino phenylcarbamate (R)-(3-(3-fluoro-4- thiomorpholinophenyl)-2- oxooxazolidin-4-yl) methyl methanesulfonate 7-Methoxyquinoline-4-carbonitrile 7-Methoxyquinoline-4-carboxylic acid 1H-Imidazole-4-carbonitrileRelated products of tetrahydrofuran
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