4-PHENYLETHYNYLPHTHALIC ANHYDRIDE

4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Struktur
119389-05-8
CAS-Nr.
119389-05-8
Englisch Name:
4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
Synonyma:
4-PEPA;4-(Phenylethynyl)phthalic;4-phenylethylphthalic anhydride;Phenylethynylphthalic Anhydride;4-PHENYLETHYNYLPHTALIC ANHYDRIDE;4-PHENYLETHYNYLPHTHALIC ANHYDRIDE;3-Phenylethynylphthalic anhydride;5-Phenylethynyl-phthalic anhydride;4-Pheneylethynylphthalic anhydride;4-PhenylethynylphthalicAnhydride>
CBNumber:
CB5334539
Summenformel:
C16H8O3
Molgewicht:
248.23
MOL-Datei:
119389-05-8.mol

4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Eigenschaften

Schmelzpunkt:
152 °C
Siedepunkt:
466.9±28.0 °C(Predicted)
Dichte
1.38±0.1 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
Wasserlöslichkeit
Practically insoluble in water
Aggregatzustand
powder to crystal
Farbe
White to Yellow to Green
EPA chemische Informationen
1,3-Isobenzofurandione, 5-(phenylethynyl)- (119389-05-8)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
R-Sätze: 36/37/38
S-Sätze: 26-36/37/39
HS Code  29173990
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung P264, P280, P305+P351+P338,P337+P313P
Sicherheit
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.

4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:

R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.

S-Sätze Betriebsanweisung:

S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.

Chemische Eigenschaften

Light yellow to light yellow-green crystal or powder

synthetische

The preparation of 4-phenylethynylphthalic anhydride is as follows:4-phenyl ethynyl dimethyl phthalate (33.6 g) was suspended in a mixed medium comprising water and methanol and a 25% by mass aqueous solution of sodium hydroxide (40 g) was dropwise added thereto with stirring. The resultant reaction mixture was stirred at 60° C. for 3 hours and, then, after confirming the completion of the reaction, cooled to the inside temperature of 30° C. Thereafter, 1 g of active carbon was added thereto, and, then, stirred for 30 minutes maintaining the same temperature. The resultant mixture was filtered to remove the active carbon, and rinsed with water. The filtrate and a rinsing solution were combined and, then, toluene and ethyl acetate were added to the resultant mixture. Concentrated hydrochloric acid (28 g) was dropwise added to the resultant 2-layered reaction mixture. The mixture was stirred for 30 minutes at room temperature and was allowed to stand, so that an organic layer containing 4-phenyl ethynyl phthalic acid was separated. After partially concentrating the organic layer, acetic anhydride (17 g) was added thereto, and the reaction mixture was refluxed with heating for 4 hours. After the reaction was completed, the resultant reaction mixture was cooled, so that 4-phenyl ethynyl phthalic anhydride was precipitated as a crystal. The crystal was filtered, rinsed and dried, to thereby obtain 26.6 g of 4-phenyl ethynyl phthalic anhydride as a pale yellow crystal. The yield was 94% on the basis of 4-phenyl ethynyl dimethyl phthalate.

119389-05-8.png

4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


4-PHENYLETHYNYLPHTHALIC ANHYDRIDE Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global( 173)Lieferanten
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Shanghai Daeyeon Chemicals Co., Ltd
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119389-05-8()Verwandte Suche:


  • 4-PEPA
  • 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
  • 4-(2-PHENYLETHYNYL)PHTHALIC ANHYDRIDE
  • 3-Phenylethynylphthalic anhydride
  • 5-Phenylethynyl-phthalic anhydride
  • 4-PHENYLETHYNYLPHTALIC ANHYDRIDE
  • 4-Phenylethynylphthalic anhydride ,98%
  • 4-(Phenylethynyl)-1,2-benzenedicarboxylic anhydride
  • 5-(Phenylethynyl)-1,3-isobenzofurandione
  • 4-phenylethylphthalic anhydride
  • 1,3-Isobenzofurandione, 5-(2-phenylethynyl)-
  • 1,3-Isobenzofurandione, 5-(phenylethynyl)-
  • Phenylethynylphthalic Anhydride
  • 4-phenylethynylphthalic anhydride(4-PEPA)
  • 4-(Phenylethynyl)phthalic
  • 5-(phenylethynyl)-2-benzofuran-1,3-dione
  • 5-(2-Phenylethynyl)-1,3-isobenzofurandione
  • 4-Pheneylethynylphthalic anhydride
  • 5-(Phenylethynyl)isobenzofuran-1,3-dione
  • 4-(PHENYLETHYNYL)PHTHALIC ANHYDRIDE, 98%4-(PHENYLETHYNYL)PHTHALIC ANHYDRIDE, 98%4-(PHENYLETHYNYL)PHTHALIC ANHYDRIDE, 98%4-(PHENYLETHYNYL)PHTHALIC ANHYDRIDE, 98%
  • 4-PhenylethynylphthalicAnhydride>
  • 4-PHENYLETHYNYL PHTHALIC ANHYDRIDE(4-PEPA) 119389-05-8
  • 4-Phenylethynylphthalic anhydride (PEPA)
  • (4-PEPA) 4-PHENYLETHYNYLPHTHALIC ANHYDRIDE
  • 119389-05-8
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