Grundinformationen
- Standard-SMILES
O=c1oc(=O)c2cc3c(=O)oc(=O)c3cc12- InChIKey
ANSXAPJVJOKRDJ-UHFFFAOYSA-N- Summenformel
- C10H2O6
- Durchschnittliche Molmasse
- 218,12 g/mol
- Monoisotopische Masse
- 217,98513778
Namen und Bezeichner
- Bevorzugter Name
- Pyromellitic dianhydride
- IUPAC
- furo[3,4-f][2]benzofuran-1,3,5,7-tetrone
- Lokaler Name
- Benzol-1,2:4,5-tetracarbonsaeuredianhydrid
- Englischer Name
- Pyromellitic Dianhydride
- Summenformel
- C10H2O6
- Molmasse
- 218.12
Namen und Synonyme
PYROMELLITIC DIANHYDRIDE89-32-7Pyromellitic anhydridePMDAPyromellitic acid dianhydridePyromellitic acid anhydride1,2,4,5-Benzenetetracarboxylic anhydride1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetronePyromellitic 1,2:4,5-dianhydrideDTXSID10265361H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride
Weitere Namen anzeigen
1,2,4,5-BENZENETETRACARBOXYLIC DIANHYDRIDEDicarboxylic anhydridebenzenetetracarboxylic anhydride1,2,4,5-Benzenetetracrboxylicdianhydride1,2,3,4-Benzenetetracarboxylic dianhydride
Benzene-1,2,4,5-tetracarboxylic dianhydride2Z22T30QZQNSC-4798DTXCID9065361,2,4,5 Benzenetetracarboxylic 1,2:4,5 dianhydride1-PMDARefChem:9102201-898-9
Datenbank-Bezeichner
- CAS
89-32-7- PubChem CID
- 6966
- DTXSID
DTXSID1026536- ChEMBL
CHEMBL3182140- UNII
- 2Z22T30QZQ
- EC Number
- 201-898-9
- Nikkaji
- J4.301J
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 0,7
- Polarare Oberfläche (TPSA)
- 86,7 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 6
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 16
- Formalladung
- 0
- Komplexität
- 349
Physikochemische Eigenschaften
- Schmelzpunkt
- 283 · 283-286 °C(lit.)
- Siedepunkt
- 397 · 397-400 °C(lit.)
- Dichte
- 1 · 1,68 g/cm3
- Dampfdruck
- 0 Pa · 0Pa at 25℃
- Brechungsindex
- 1.6 · 1.6000 (estimate)
- Flammpunkt
- 380 °C · 380 °C
- storage temp.
- 2 · 2-30°C
- Löslichkeit
- Soluble in dimethyl sulfoxide, acetone, chloroform, ethyl ether, n-hexane and benzene.
- Aggregatzustand
- Fine Powder
- pka
- 5.45 · 5.45[at 20 ℃]
- Farbe
- White to pale yellow
- Wasserlöslichkeit
- decomposes
- BRN
- 213583 · 213583
- Henry's Law Constant
- 1.3 · 1.3×103 mol/(m3Pa) at 25℃, HSDB (2015)
- InChI
- 1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H
- InChIKey
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N
- SMILES
- O=C1OC(=O)c2cc3C(=O)OC(=O)c3cc12
- LogP
- -2.03 at · -2.03 at 21.5℃
- CAS Datenbank
- 89 · 89-32-7(CAS DataBase Reference)
- NIST chemische Informationen
- 1 · 1,2,4,5-Benzenetetracarboxylic anhydride(89-32-7)
- EPA chemische Informationen
- 1 H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone · 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone (89-32-7)
Sicherheit und Regulatorisches
Sicherheitsdaten
- F
- 10-21
- wgk
- 1
- tsca
- TSCA listed
- hs_code
- 29173980
- RTECS-Nr.
- DB9300000
- risk_code
- 41-42/43
- hazard_code
- Xn
- safety_code
- 22-24-26-37/39
- Speicherklasse
- 11 - Combustible Solids
- Giftige Stoffe Daten
- 89-32-7(Hazardous Substances Data)
- Hazard Classifications
- Eye Dam. 1Resp. Sens. 1Skin Sens. 1
- Selbstentzündungstemperatur
- 630°C
Chemie und Industrie
Anwendungen
VerwendenPyromellitic dianhydride (PMDA) is employed as a curing agent for epoxy agent resins used for casting, laminating, the manufacture of moulding powders, adhesives and coatings.
Darstellung
synthetischePyromellitic Dianhydride is prepared by gas-phase oxidation of 1,2,4,5-tetramethylbenzene (or related tetrasubstituted benzene derivatives). An idealized equation is:C6H2(CH3)4 + 6 O2 → C6H2(C2O3)2 + 6 H2OIn the laboratory, it can be prepared by dehydration of pyromellitic acid using acetic anhydride.
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