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D6511

Sigma-Aldrich

2,6-Dichloroquinone-4-chloroimide

≥95% (TLC), suitable for detection of phenols

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
Beilstein:
2364249
EC Number:
202-937-2
MDL number:
MFCD00001611
UNSPSC Code:
12171500
PubChem Substance ID:
24894032
NACRES:
NA.47

Quality Level

200

Assay

≥95% (TLC)

form

powder or crystals

mp

65-67 °C (lit.)

solubility

ethanol: soluble 50 mg/mL, clear, yellow

suitability

suitable for detection of phenols

storage temp.

2-8°C

SMILES string

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

InChI key

YHUMTHWQGWPJOQ-UHFFFAOYSA-N

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Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H242,H315,H319

Hazard Classifications

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

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBL1753
STBL3033
STBL0579
STBK7183
STBK3022

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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
N A El-Ragehy et al.
Journal of pharmaceutical and biomedical analysis, 29(1-2), 121-137 (2002-06-14)
Six procedures have been suggested for the determination of the antihistaminic agent, mequitazine, in the presence of its degradate. Mequitazine, having a phenothiazine group, undergoes peroxide oxidation and the corresponding sulphone is produced. Its identity was confirmed by IR and
A G Kobylianskiĭ et al.
Voprosy meditsinskoi khimii, 40(4), 40-46 (1994-07-01)
Quantitative estimation of phenol content in human urine involving Gibbs reagent was described in detail; the procedure was applied for screening test of people. The Gibbs reagent was synthesized from commonly available substances 2,6-dibromine-4-aminophenol and 4-nitrophenol. Estimation of total and
Use of 2,6-dichloroquinone chlorimide for the spectrophotometric determination of halogenated derivatives of 8-hydroxyquinoline.
F Belal
The Analyst, 109(5), 615-618 (1984-05-01)
Colorimetric assay for methimazole in tablet formulations using the 2,6-dichloroquinone chloroimide reagent.
R Gatti et al.
Il Farmaco; edizione pratica, 40(3), 71-76 (1985-03-01)
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