Skip to Content
Merck
All Photos(1)

Documents

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

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

Looking for similar products? Visit Product Comparison Guide

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

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Mara Andréia Gotardo et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 69(4), 1103-1109 (2007-07-25)
This paper describes an analytical reflectometric method that has an objective not only the industrial quality control but also to detect possible falsifications and/or adulterations of propranolol in pharmaceutical formulations. The method is based on the diffuse reflectance measurements of
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)
P Orlewski et al.
Medycyna pracy, 33(4), 215-221 (1982-01-01)
So far there has not been any quick and simple method to estimate phenol exposure or phenol poisoning directly at the workstation. Our work was aiming at a modification of Lutogniewska's method of determining phenol in the saliva as an
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service