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129739

3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate

Name: 3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate
Brand: ALDRICH

97%

Synonym(s):

MBTH hydrochloride hydrate

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About This Item

Empirical Formula (Hill Notation):

C₈H₉N₃S · HCl · xH₂O

CAS Number:

149022-15-1

Molecular Weight:

215.70 (anhydrous basis)

EC Number:

238-428-7

MDL number:

MFCD00149370

UNSPSC Code:

12352100

PubChem Substance ID:

24847924

NACRES:

NA.22

Assay

97%

form

solid

mp

276-278 °C (dec.) (lit.)

SMILES string

Cl[H].[H]O[H].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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Application

3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate (MBTH hydrochloride hydrate) was used as an electrophilic coupling reagent for the determination of residual chlorine.

Chromogenic reagent for the determination of benzodiazepines, cholesterol, and enzyme activity. Used in the synthesis of benzothiazolium azo dyes.

Pictograms

GHS06

Signal Word

Danger

Hazard Statements

H301,H319

Precautionary Statements

P264 - P280 - P301 + P310 - P305 + P351 + P338 - P337 + P313 - P405

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Dyes and Pigments, 21, 159-159 (1993)

A continuous spectrophotometric method for the determination of monophenolase activity of tyrosinase using 3-methyl-2-benzothiazolinone hydrazone.

J N Rodríguez-López et al.

Analytical biochemistry, 216(1), 205-212 (1994-01-01)

A continuous spectrophotometric method for the rapid determination of monophenolase activity of tyrosinase is described. This method is based on the coupling reaction between 3-methyl-2-benzothiazolinone hydrazone (MBTH) and the quinone products of the oxidation of various monophenols in the presence

Indian J. Chem. B, 32, 44-44 (1993)

Bull. Soc. Chim. Belg., 102, 233-233 (1993)

Novel oxidative electrophilic coupling reactions of phenoxazine derivatives with MBTH and their applications to spectrophotometric determination of residual chlorine in drinking water and environmental water samples.

Riyad Ahmed Al-Okab et al.

Journal of hazardous materials, 170(1), 292-297 (2009-05-30)

Novel, sensitive and rapid spectrophotometric methods, using phenoxazine (PNZ), 2-chlorophe-noxazine (CPN) and 2-trifluoromethylphenoxazine (TPN) as chromogenic reagents for the determination of residual chlorine are proposed. The methods are based on the reduction of chlorine by an electrophilic coupling reagent, 3-methyl-2-benzothiazoline

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