Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

547093

Sigma-Aldrich

4,5-Dichlorocatechol

97%

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

About This Item

Linear Formula:
Cl2C6H2(OH)2
CAS Number:
3428-24-8
Molecular Weight:
179.00
EC Number:
222-331-1
MDL number:
MFCD00463757
UNSPSC Code:
12352100
PubChem Substance ID:
24878752
NACRES:
NA.22

Quality Level

100

Assay

97%

form

solid

mp

110-115 °C (lit.)

functional group

chloro

SMILES string

Oc1cc(Cl)c(Cl)cc1O

InChI

1S/C6H4Cl2O2/c7-3-1-5(9)6(10)2-4(3)8/h1-2,9-10H

InChI key

ACCHWUWBKYGKNM-UHFFFAOYSA-N

Related Categories

Pictograms

Environment
GHS09

Signal Word

Warning

Hazard Statements

H410

Precautionary Statements

P273

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCM9781
MKCD9893
MKBS9951V
04118JH
08923AA

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

4-Methylcatechol ≥95%

Sigma-Aldrich

M34200

4-Methylcatechol

Mallory L Palatucci et al.
Journal of hazardous materials, 378, 120717-120717 (2019-06-17)
Dichloronitrobenzenes (DCNB) are intermediates in the production of dichloroanilines, which are key feedstocks for synthesis of diuron and other herbicides. Although DCNB is a major contaminant at certain chemical manufacturing sites, aerobic DCNB biodegradation is poorly understood and such sites
Chiara Micalella et al.
Biotechnology and applied biochemistry, 61(3), 297-303 (2014-02-28)
Enzymes entrapped in wet, nanoporous silica gel have great potential as bioreactors for bioremediation because of their improved thermal, chemical, and mechanical stability with respect to enzymes in solution. The B isozyme of catechol 1,2 dioxygenase from Acinetobacter radioresistens and
Luis E Sojo et al.
Rapid communications in mass spectrometry : RCM, 28(20), 2181-2190 (2014-09-03)
Catechols are an important class of analytes occurring in many natural and synthetic products. Electrospray ionization in negative mode is the preferred way of ion generation for these compounds; however, studies in positive ion mode can reveal their potential for

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