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Key Documents

35620

Supelco

2,6-Dichloroquinone-4-chloroimide

for spectrophotometric det. of vitamin B6, ≥99.0%

Sinonimo/i:

N,2,6-Trichloro-p-benzoquinoneimide, Gibb’s reagent

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About This Item

Formula empirica (notazione di Hill):
C6H2Cl3NO
Numero CAS:
Peso molecolare:
210.45
Beilstein:
2364249
Numero CE:
Numero MDL:
Codice UNSPSC:
41116105
ID PubChem:
NACRES:
NA.21

Livello qualitativo

Saggio

≥99.0% (AT)
≥99.0%

Qualità

for spectrophotometric det. of vitamin B6

tecniche

UV/Vis spectroscopy: suitable

Punto di fusione

65-67 °C (lit.)
65-68 °C

applicazioni

food and beverages
vitamins, nutraceuticals, and natural products

Temperatura di conservazione

2-8°C

Stringa SMILE

Cl\N=C1\C=C(Cl)C(=O)C(Cl)=C1

InChI

1S/C6H2Cl3NO/c7-4-1-3(10-9)2-5(8)6(4)11/h1-2H
YHUMTHWQGWPJOQ-UHFFFAOYSA-N

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Descrizione generale

2,6-Dichloroquinone-4-chloroimide generally find application in being used as spot test and chromatographic spray reagents, mainly for phenols, though it can be used in detection of other types of compounds such as antioxidants, few primary and secondary amines, on silica gel chromatographic plates. Its decomposition rate is directly proportional to pressure.

Applicazioni

Gibb′s reagent was used in paper chromatography, in an experiment conducted to semi-quantitatively estimate tyramine and octopamine.

Pittogrammi

FlameExclamation mark

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Eye Irrit. 2 - Self-react. C - Skin Irrit. 2

Codice della classe di stoccaggio

4.1A - Other explosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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Colour reaction of phenols with the gibbs reagent. The reaction mechanism and decomposition and stabilisation of the reagent.
Svobodova D
Microchimica Acta, 67 (3-4), 251-264 (1977)
P Miller et al.
Clinical chemistry, 36(4), 668-669 (1990-04-01)
In this nonenzymatic colorimetric method, dichlorobenzoquinone chloroimine is used as a color reagent to measure uric acid in urine. This method is less subject to the interferences that make enzymatic methods unreliable and is inexpensive, simple, and fast.
Colorimetric determination of prenalterol hydrochloride in dosage forms.
F A Aly et al.
Journal of pharmaceutical and biomedical analysis, 12(7), 955-958 (1994-07-01)
G G Mohamed et al.
Journal of pharmaceutical and biomedical analysis, 28(6), 1127-1133 (2002-06-07)
A simple, rapid and sensitive spectrophotometric method for the determination of sulbutamol in pure form and in different pharmaceutical preparations has been developed. The charge transfer (CT) reaction between salbutamol as electron donor and 2,6-dichloroquinone chlorimide (DCQ) and 7,7,8,8-tetracyanoquinodimethane (TCNQ)
Mohammad-Wadud Bhuiya et al.
Analytical biochemistry, 384(1), 151-158 (2008-10-18)
S-adenosyl-L-methionine (AdoMet)-dependent O-methyltransferases (OMTs) catalyze the transmethylation of a variety of phenolics in bacteria, plants, and humans. To rapidly characterize phenolic OMT activities, we adapted Gibbs' reagent, the dye originally used for detecting phenols, to develop a convenient assay method

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