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Merck
CN

65875

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

Key Documents

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Product Name

3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate, ≥99.0% (HPLC)

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-;;

SMILES string

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

InChI key

IYXXQOGEFHAQGU-GPWRMYTLSA-N

assay

≥99.0% (HPLC)

form

solid

mp

270-274 °C (dec.)

functional group

thioether

Quality Level

100

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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.

General description

may contain free HCl

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

WGK 3

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP0840
BCCL6393
BCCG4272
BCCJ0238
BCCD8385

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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)
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
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)
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)
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