Benzothiazol-2(3H)-on

Bezeichnung:Benzothiazol-2(3H)-on

CAS-Nr934-34-9

Englisch Name:2-Benzothiazolol

CBNumberCB7854675

SummenformelC7H5NOS

Molgewicht151.19

MOL-Datei934-34-9.mol

Synonyma

Benzothiazol-2(3H)-on

Benzothiazol-2(3H)-on physikalisch-chemischer Eigenschaften

Schmelzpunkt	137-140 °C (lit.)
Siedepunkt	360°C (rough estimate)
Dichte	1.2170 (rough estimate)
Brechungsindex	1.5500 (estimate)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
Löslichkeit	Chloroform (Slightly, Sonicated), DMSO (Slightly)
Aggregatzustand	Solid
pka	10.41±0.20(Predicted)
Farbe	White to Off-White
LogP	1.760
CAS Datenbank	934-34-9(CAS DataBase Reference)
NIST chemische Informationen	2-Benzothiazolol (keto form)(934-34-9)
EPA chemische Informationen	2(3H)-Benzothiazolone (934-34-9)

Sicherheit

Kennzeichnung gefährlicher	Xn
R-Sätze:	20/21/22
S-Sätze:	36
WGK Germany	3
TSCA	Yes
HS Code	29061990

Gefahreninformationscode (GHS)

2-Benzothiazolol Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
S-Sätze Betriebsanweisung:
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
off-white to light brown crystalline powder
Verwenden
2-Hydroxybenzothiazole may be employed as carbon, nitrogen and energy supplement in the bacterial cultures. It may be used in the preparation of insulating thin polymer (<0.1μm), via electropolymerization.
Definition
ChEBI: Benzothiazole substituted with a hydroxy group at the 2-position.
Synthesis Reference(s)
Journal of the American Chemical Society, 72, p. 4890, 1950 DOI: 10.1021/ja01167a011
Allgemeine Beschreibung
2-Hydroxybenzothiazole (2-OHBT) is a 2-substituted benzothiazole. It is a tautomer of 2-benzothiazolinone. Its enthalpy of formation in the gas phase has been determined using high-level ab initio molecular orbital calculations at the G3(MP2)//B3LYP level of theory. Polarized IR spectra of the hydrogen-bonded molecular crystals of 2-OHBT have been studied. Oxidation of 2-OHBT using H₂O₂/UV and iron(III) photoassisted Fenton techniques have been reported. 2-OHBT is released into wastewaters during the industrial production of 2-mercaptobenzothiazole, a rubber vulcanization accelerator. The anodic oxidation of 2-OHBT on copper, iron and platinum in alcohol and alcohol-water solutions by cyclic polarization and chronoamperometry has been reported.
läuterung methode
Crystallise it from aqueous EtOH or water. [Hoggarth J Chem Soc 3314 1949, Hunter J Chem Soc 135 1930, Beilstein 27 H 182, 27 I 270, 27 II 225, 27 III/IV 2693.]

2-Benzothiazolol Upstream-Materialien And Downstream Produkte

Benzothiazol-2(3H)-on Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

934-34-9, 2-Benzothiazolol Verwandte Suche:

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