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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:
38894-11-0
Molecular Weight:
233.72
Beilstein/REAXYS Number:
4722243
EC Number:
238-428-7
MDL number:
MFCD00149370
UNSPSC Code:
12352100
PubChem Substance ID:
329760126
NACRES:
NA.22

Quality Level

100

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
GHS06

signalword

Danger

hcodes

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class

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

wgk_germany

WGK 3

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL6393
BCCG4272
BCCJ0238
BCCD8385
BCCD0898

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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)
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)
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.
Food chemistry, 340, 127930-127930 (2020-09-02)
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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