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Merck
CN

35620

2,6-Dichloroquinone-4-chloroimide

for spectrophotometric det. of vitamin B6, ≥99.0%

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C6H2Cl3NO
CAS Number:
101-38-2
Molecular Weight:
210.45
UNSPSC Code:
41116105
NACRES:
NA.21
PubChem Substance ID:
329755199
EC Number:
202-937-2
Beilstein/REAXYS Number:
2364249
MDL number:
MFCD00001611
Assay:
≥99.0% (AT), ≥99.0%

Key Documents

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InChI

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

InChI key

YHUMTHWQGWPJOQ-UHFFFAOYSA-N

SMILES string

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

assay

≥99.0% (AT), ≥99.0%

quality

for spectrophotometric det. of vitamin B6

technique(s)

UV/Vis spectroscopy: suitable

mp

65-67 °C (lit.), 65-68 °C

application(s)

food and beverages
vitamins, nutraceuticals, and natural products

storage temp.

2-8°C

Quality Level

100

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General description

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.

Application

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

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

4.1A - Other explosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB5943
STBK7183
STBL1753
STBL3033
STBL0579

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Occurrence and some properties of eledoisin in extracts of posterior salivary glands of Eledone.
Anastasi A and Erspamer V.
British Journal of Pharmacology and Chemotherapy, 19 (2), 326-336 (1962)
2, 6-Dichloroquinone 4-chloroimide as a reagent for amines and aromatic hydrocarbons on thin-layer chromatograms.
Hansbro RJ
Analytical Chemistry, 40 (14), 2138-2143 (1968)
G Sgaragli et al.
Biochemical pharmacology, 29(5), 763-769 (1980-03-01)
Di-BHA, 2,2'-dihydroxy-3,3'-di-t-butyl-5,5'-dimethoxy-diphenyl, was isolated as the product of the reaction of either commercial horseradish peroxidase or partially purified rat intestine peroxidase (Donor-H(2)O(2) oxidoreductase, EC 1.11.1.7.) and hydrogen peroxide with 2-t-butyl-4-methoxyphenol (BHA). BHA, Di-BHA and other cyclic compounds possessing a hydroxyl
[A colorimetric method using 2,6-dichloroquinonechloroimide as color reagent for the determination of alkaline phosphatase in serum (author's transl)].
A Shimasue et al.
Rinsho byori. The Japanese journal of clinical pathology, 28(8), 817-820 (1980-08-01)
I L Tsai et al.
Planta medica, 66(5), 403-407 (2000-07-26)
Four new cytotoxic neolignans, machilusol A (1), machilusol C (3), machilusol D (4), machilusol E (5) as well as two new inactive neolignans, machilusol B (2) and machilusol F (6), were isolated from the stem wood of Machilus obovatifolia. All
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