Grundinformationen
- Standard-SMILES
O=C1OC(=O)c2cc(Oc3ccc4c(c3)C(=O)OC4=O)ccc21- InChIKey
QQGYZOYWNCKGEK-UHFFFAOYSA-N- Summenformel
- C16H6O7
- Durchschnittliche Molmasse
- 310,21 g/mol
- Monoisotopische Masse
- 310,01135253
Namen und Bezeichner
- Bevorzugter Name
- 4,4'-Oxydiphthalic anhydride
- IUPAC
- 5-[(1,3-dioxo-2-benzofuran-5-yl)oxy]-2-benzofuran-1,3-dione
- Englischer Name
- 4,4'-Oxydiphthalic anhydride
- Summenformel
- C16H6O7
- Molmasse
- 310.21
Namen und Synonyme
Weitere Namen anzeigen
Datenbank-Bezeichner
- CAS
1823-59-2- PubChem CID
- 74574
- DTXSID
DTXSID1044859- ChEMBL
CHEMBL1243052- UNII
- G58E17X7VE
- EC Number
- 412-830-4、629-094-7
- Nikkaji
- J94.798I
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 2,2
- Polarare Oberfläche (TPSA)
- 96 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 7
- Frei drehbare Bindungen
- 2
- Schwere Atome
- 23
- Formalladung
- 0
- Komplexität
- 533
Experimentelle und physikochemische Eigenschaften
Physikochemische Eigenschaften
- Schmelzpunkt
- 225 · 225-229 °C(lit.)
- Siedepunkt
- 410.39 °C · 410.39°C (rough estimate)
- Dichte
- 1.4942 · 1.4942 (rough estimate)
- Brechungsindex
- 1.638 · 1.6380 (estimate)
- storage temp.
- Inert atmosphere,Room Temperature
- Löslichkeit
- very slightly in Toluene,Acetone
- Aggregatzustand
- powder to crystal
- Farbe
- White to Light yellow to Light orange
- InChI
- InChI=1S/C16H6O7/c17-13-9-3-1-7(5-11(9)15(19)22-13)21-8-2-4-10-12(6-8)16(20)23-14(10)18/h1-6H
- InChIKey
- QQGYZOYWNCKGEK-UHFFFAOYSA-N
- SMILES
- O(C1C=CC2C(=O)OC(=O)C=2C=1)C1C=CC2C(=O)OC(=O)C=2C=1
- CAS Datenbank
- 1823 · 1823-59-2(CAS DataBase Reference)
- NIST chemische Informationen
- Bis-(3-phthalyl anhydride) ether(1823-59-2)
- EPA chemische Informationen
- 1 · 1,3-Isobenzofurandione, 5,5'-oxybis- (1823-59-2)
Sicherheit und Regulatorisches
GHS-Klassifizierung
GHS Classification
H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
P273, and P501 (click each P-code to see the statement)
This chemical does not meet GHS hazard criteria for 92% (104 of 113) of all reports.
Not Classified
Aggregated GHS information provided per 113 reports by companies from 3 notifications to the ECHA C&L Inventory.
H412 (100%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Gefahrenhinweise
Regulatory Information
1,3-Isobenzofurandione, 5,5'-oxybis- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,3-Isobenzofurandione, 5,5'-oxybis- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.
Status: Active Update: 30-11-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/24117
Hazard Classes and Categories
Not Classified
Aquatic Chronic 3 (100%)
Hazardous to the aquatic environment (chronic) - category 3
Aquatic Chronic 3
Sicherheitsdaten
- wgk
- 2
- tsca
- TSCA listed
- hs_code
- 29189900
- risk_code
- 52/53
- safety_code
- 61
- Speicherklasse
- 11 - Combustible Solids
- Hazard Classifications
- Aquatic Chronic 3
Chemie und Industrie
Verwendung und Herstellung
Anwendungen
Verwenden4,4'-oxydiphthalic anhydride be used for the preparation of a polyimide material.
Darstellung
synthetischeThe preparation of 4,4'-Oxydiphthalic anhydride is as follows:Chlorophthalic anhydride (30g, 160mmol), tetraphenyl phosphonium bromide (0.3g, 0.7mmol), and 2,5-dichlorobenzoic acid (0.08g, 0.4mmol) were heated to approximately 220℃. Potassium carbonate (7.95g, 58mmol) was added over 45 minutes. The reaction was sampled after addition of the potassium carbonate and showed a 24.9% conversion to 4,4'-oxydiphthalic anhydride. The reaction was heated for an additional 45 minutes. The reaction mixture was diluted with 1,2,4-trichlorobenzene (90g) and filtered. The 4,4'-oxydiphthalic anhydride was allowed to crystallize and was collected, washed with 1,2,4-trichlorobenzene followed by hexane, and dried in an air circulating oven at 120℃. to give crude 4,4'-oxydiphthalic anhydride, 12.9g.
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