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Sigma-Aldrich

2-Hydroxybenzothiazol

98%

Synonym(e):

2(3H)-Benzothiazolon

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About This Item

Empirische Formel (Hill-System):
C7H5NOS
CAS-Nummer:
934-34-9
Molekulargewicht:
151.19
EG-Nummer:
213-281-1
MDL-Nummer:
MFCD00022868
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24865467
NACRES:
NA.22

Assay

98%

mp (Schmelzpunkt)

137-140 °C (lit.)

SMILES String

Oc1nc2ccccc2s1

InChI

1S/C7H5NOS/c9-7-8-5-3-1-2-4-6(5)10-7/h1-4H,(H,8,9)

InChIKey

YEDUAINPPJYDJZ-UHFFFAOYSA-N

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.

Anwendung

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.

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

Gefahreneinstufungen

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Analysenzertifikate (COA)

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Die Dokumentenbibliothek aufrufen

Structural and energetic characterization of the tautomers 2-benzothiazolinone and 2-hydroxybenzothiazole.
Silva ALR, et al.
Journal of Molecular Structure, 1078, 197-206 (2014)
Georgia Gatidou et al.
Chemosphere, 241, 125071-125071 (2019-11-07)
The ready biodegradability of twenty food additives, belonging to the classes of artificial sweeteners, natural sweeteners, preservatives and colorings, was investigated using activated sludge as inoculum and OECD 301F respirometric test. According to the results, saccharin, aspartame, sodium cyclamate, xylitol
Isolation and characterization of Rhodococcus rhodochrous for the degradation of the wastewater component 2-hydroxybenzothiazole.
De Wever H, et al.
Applied Microbiology and Biotechnology, 47(4), 458-461 (1997)
Oxidation of benzothiazole, 2-mercaptobenzothiazole and 2-hydroxybenzothiazole in aqueous solution by means of H2O2/UV or photoassisted Fenton systems.
Andreozzi R, et al.
Journal of Chemical Technology and Biotechnology, 76(2), 196-202 (2001)
Microbial transformations of 2-substituted benzothiazoles.
De Wever HPB and Verachtert H.
Applied Microbiology and Biotechnology, 57(5-6), 620-625 (2001)
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