129739
3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate
97%
Synonym(s):
MBTH hydrochloride hydrate
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About This Item
Empirical Formula (Hill Notation):
C8H9N3S · HCl · xH2O
CAS Number:
Molecular Weight:
215.70 (anhydrous basis)
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
238-428-7
MDL number:
Assay:
97%
Form:
solid
assay
97%
form
solid
InChI key
IYXXQOGEFHAQGU-GPWRMYTLSA-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-;;
SMILES string
Cl[H].[H]O[H].CN1\C(Sc2ccccc12)=N\N
mp
276-278 °C (dec.) (lit.)
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.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Irrit. 2
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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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
Dyes and Pigments, 21, 159-159 (1993)
Indian J. Chem. B, 32, 44-44 (1993)
Bull. Soc. Chim. Belg., 102, 233-233 (1993)
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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