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65875

Sigma-Aldrich

3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate

≥99.0% (HPLC)

Synonym(s):

2-Hydrazono-3-methylbenzothiazoline hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C8H9N3S · HCl · H2O
CAS Number:
Molecular Weight:
233.72
Beilstein:
4722243
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99.0% (HPLC)

form

solid

mp

270-274 °C (dec.)

SMILES string

O.Cl.CN1\C(Sc2ccccc12)=N\N

InChI

1S/C8H9N3S.ClH.H2O/c1-11-6-4-2-3-5-7(6)12-8(11)10-9;;/h2-5H,9H2,1H3;1H;1H2/b10-8-;;

InChI key

IYXXQOGEFHAQGU-GPWRMYTLSA-N

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General description

may contain free HCl

Application

3-Methyl-2-benzothiazolinone hydrazine (MBTH) can be used as a reagent for the spectrophotometric determination of traces of selenium, tellurium, and cyanide in environmental samples.

Other Notes

Reagent for the spectrophotometric determination of aliphatic aldehydes; Reagent for the determination of hexosamines in glycosaminoglycans; Incorporated into a new peroxidase color reaction, Reagent for the spectrophotometric determination of traces of selenium (IV) in environmental samples.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Quantitation of glycosaminoglycan hexosamine using 3-methyl-2-benzothiazolone hydrazone hydrochloride.
R L Smith et al.
Analytical biochemistry, 98(2), 478-480 (1979-10-01)
Rapid Determination of Tellurium in Organic Compounds by Microwave Plasma-Atomic Emission Spectrometry
Lastovka AV, et al.
Orient. J. Chem., 33(6), 2796-2802 (2017)
Determination of cyanide by an indirect spectrophotometric method using formaldehyde and 3-methyl-2-benzothiazolinone hydrazone
Geetha K and Balasubramanian N
Analytical Letters, 34(14), 2507-2519 (2001)
Xinming Nie et al.
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It has been remained a challenge to detect trace formaldehyde in complex samples, such as rice flour and duck blood products. In this study, a purge-trap device was designed and used for volatile target detection, which avoided interference adsorptions on
D J Capaldi et al.
Analytical biochemistry, 129(2), 329-336 (1983-03-01)
Hydrogen peroxide in the presence of horseradish peroxidase effects the oxidative coupling of 3-methyl-2-benzothiazolinone hydrazone with its formaldehyde azine to form a tetraazapentamethine dye. The blue chromophore, when formed at pH 3.5 and quenched with acetone or 1 N hydrochloric

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