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HCID 69779Erstellt: 3. November 2026

Diphenylisophthalat

Isophthalic ac · Diphenylm-phthalate · diphenyl-3-phthalate · Diphenyl Isophtalate · Diphenyl m-phthalate · Diphenyl-m-phthalate · DIPHENYL ISOPHTHALATE · Diphenyl 1,3-phthalate

https://huagongshe.com/de/chemical/69779

Molekülstruktur von Diphenylisophthalat

Identifikatoren & physikalische Daten

CAS No.744-45-6
SummenformelC20H14O4
Durchschnittliche Molmasse318,3 g/mol
Monoisotopische Masse318,08920892 g/mol
SMILESO=C(Oc1ccccc1)c1cccc(C(=O)Oc2ccccc2)c1
InChIKeyFHESUNXRPBHDQM-UHFFFAOYSA-N
PubChem CID69779
ChEMBLCHEMBL1879622
EC No.212-014-6
DTXSIDDTXSID8037752
Lokaler NameDiphenylisophthalat

Chemische & physikalische Eigenschaften

XLogP5
Polarare Oberfläche (TPSA)52,6
H-Brücken-Donoren0
H-Brücken-Akzeptoren4
Frei drehbare Bindungen6
Schwere Atome24
Formalladung0
Komplexität383
PolymersPlastics & Rubber -> Phthalate Esters
SpringerMaterials PropertiesChemical structure
Physical DescriptionDry PowderWhite to off-white powder[Acros Organics MSDS]
Schmelzpunkt136-138 °C (lit.)
Siedepunkt275 °C (10 mmHg)
Dichte1,2 g/cm3
Brechungsindex1.5400 (estimate)
Flammpunkt223 °C
LagerbedingungenSealed in dry,Room Temperature
Aggregatzustandpowder to crystal
FarbeWhite to Almost white
Löslichkeitinsoluble
InChI1S/C20H14O4/c21-19(23-17-10-3-1-4-11-17)15-8-7-9-16(14-15)20(22)24-18-12-5-2-6-13-18/h1-14H
InChIKeyFHESUNXRPBHDQM-UHFFFAOYSA-N
SMILESO=C(Oc1ccccc1)c2cccc(c2)C(=O)Oc3ccccc3
CAS Datenbank744-45-6(CAS DataBase Reference)
NIST chemische InformationenDiphenyl isophthalate(744-45-6)
EPA chemische InformationenDiphenyl isophthalate (744-45-6)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 60% (3 of 5) of all reports.WarningH315 (40%): Causes skin irritation [Warning Skin corrosion/irritation]P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement)Aggregated GHS information provided per 5 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische Informationen1,3-Benzenedicarboxylic acid, 1,3-diphenyl ester is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,3-Benzenedicarboxylic acid, 1,3-diphenyl ester 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)
GefahrenübersichtMay cause irritation[Acros Organics MSDS] See PHTHALATE ESTERS.
Hazard Classes and CategoriesSkin Irrit. 2 (40%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
Zollcode29173990
Sicherheitshinweise (S)24/25
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

Diphenyl isophthalate may be employed for the preparation of:poly(benzoxazole) (PBO) precursor, poly(o-hydroxyamide)3[4″-hydroxybenzoyl)-4′-hydroxybenzophenonepoly(o-hydroxyamide), via polycondensation of 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane in 1-methyl-2-pyrrolidinone