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4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion

4-Phenyl-1,2,4-triazoline-3,5-dione Struktur
4233-33-4
CAS-Nr.
4233-33-4
Bezeichnung:
4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion
Englisch Name:
4-Phenyl-1,2,4-triazoline-3,5-dione
Synonyma:
PTAD;4-Phenyl-1,2,4-triazole-3,5-dione;4-PHENYL-3;AURORA KA-3851;Mosapride Impurity 24;4-Phenyl-1,2,3-triazoline-3,5-dione;4-phenyl-1,2,4-triazole-3,5-quinone;4-Phenyl-1,2,4-triazoline-3,5-dione;4-Phenyl-4H-1,2,4-triazole-3,5-dione;4-PHENYL-3H-1,2,4-TRIAZOLINE-3,5-DIONE
CBNumber:
CB3769656
Summenformel:
C8H5N3O2
Molgewicht:
175.14
MOL-Datei:
4233-33-4.mol
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4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion Eigenschaften

Schmelzpunkt:
165-170 °C (dec.)(lit.)
Siedepunkt:
263.8±23.0 °C(Predicted)
Dichte
1.47±0.1 g/cm3(Predicted)
storage temp. 
2-8°C
Löslichkeit
Chloroform (Sparingly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
Aggregatzustand
Solid
pka
-1.71±0.20(Predicted)
Farbe
Red to Dark Red
BRN 
141548
InChI
InChI=1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H
InChIKey
ISULLEUFOQSBGY-UHFFFAOYSA-N
SMILES
N1C(=O)N(C2=CC=CC=C2)C(=O)N=1
CAS Datenbank
4233-33-4(CAS DataBase Reference)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
S-Sätze: 22-24/25
WGK Germany  3
HS Code  29339900
Speicherklasse 11 - Combustible Solids
Bildanzeige (GHS) Exclamation Mark (GHS07)
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H302 Gesundheitsschädlich bei Verschlucken. Akute Toxizität oral Kategorie 4 Warnung P264, P270, P301+P312, P330, P501
Sicherheit
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.

4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion Chemische Eigenschaften,Einsatz,Produktion Methoden

S-Sätze Betriebsanweisung:

S22:Staub nicht einatmen.
S24/25:Berührung mit den Augen und der Haut vermeiden.

Chemische Eigenschaften

4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE is Red Solid

Verwenden

4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE is used in the methods for determining levels of 1,25 dihydroxyvitamin d2 and d3 in biological and food samples and dietary supplements.

Allgemeine Beschreibung

4-Phenyl-1,2,4-triazoline-3,5-dione, also known as Cookson reagent, is a strong dienophile, which gives a stable Diels-Alder adduct quantitatively within a short time and under mild conditions. It is commonly used as a protecting group of the diene moiety for the synthesis of vitamin D3 (VD3)-related compounds.

läuterung methode

PTAD forms carmine red needles by sublimation (ice cold finger) at 100o/0.1mm, and/or by recrystallisation from EtOH. IR: 1760 and 1780 cm-1 . [Cookson et al. Org Synth 51 121 1971, Moore max et al. J Org Chem 39 3700 1974, Beilstein 26 I 57, 26 III/IV 540.]

4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Diethylcarbonat Hydrazinium hydroxide solution Phenylisocyanat

Downstream Produkte

4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global( 160)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Chengdu syns Pharmaceutical Co., Ltd. 028-82093588 18980782991
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Zhengzhou Kangshan Biological Co., Ltd. +86-0371-55023472 13663848272
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Anhui heavy sky biological technology Co., LTD 15556773118
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Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109
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TCI (Shanghai) Development Co., Ltd. 021-67121386
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Accela ChemBio Co.,Ltd. 021-50795510 4000665055
 marketing@accelachem.com China 10972 64
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960
 info@chemlin.com.cn China 16305 64

4233-33-4(4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion)Verwandte Suche:

Xylometazolin 4-Phenyl-3H-1,2,4-triazol-3,5(4H)-dion
  • AURORA KA-3851
  • 4-PHENYL-3H-1,2,4-TRIAZOLINE-3,5-DIONE
  • 4-PHENYL-3,5-DIHYDRO-4ETA-1,2,4-TRIAZOLE-3,5-DIONE
  • 3H-1,2,4-Triazole-3,5(4H)-dione, 4-phenyl-
  • 3,5-DIHYDRO-4-PHENYL-4H-1,2,4-TRIAZOLE-3,5-DIONE 97+%
  • 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione, PTAD
  • 4-Phenyl-3,5-dihydro-4H-1,2,4-triazole-3,5-dione
  • 4-Phenyl-4H-1,2,4-triazole-3,5-dione
  • 4-phenyl-1,2,4-triazole-3,5-quinone
  • 4-Phenyl-1,2,3-triazoline-3,5-dione
  • 3,5-DIHYDRO-4-PHENYL-4H-1,2,4-TRIAZOLE-3
  • 3,5-DIHYDRO-4-PHENYL-4ETA-1,2,4-TRIAZOLE-3,5-DIONE
  • 3,5-DIHYDRO-4-PHENYL-4H-1,2,4-TRIAZOLE-3,5-DIONE
  • 4-Phenyl-1,2,4-triazoline-3,5-dione 97%
  • 3,5-Dihydro-4-phenyl-4H-1,2,4-triazole-3,5-dione for synthesis
  • 4-PHENYL-3
  • Mosapride Impurity 24
  • 4-Phenyl-1,2,4-triazole-3,5-dione
  • PTAD
  • 4-Phenyl-1,2,4-triazoline-3,5-dione（PTAD）
  • 4-Phenyl-1,2,4-triazoline-3,5-dione
  • 4233-33-4
  • Building Blocks
  • Heterocyclic Building Blocks
  • Triazoles
  • Amino Acids & Derivatives
  • Aromatics
  • Heterocycles
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