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547093

Sigma-Aldrich

4,5-Dichlorocatechol

97%

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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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCM9781
MKCD9893
MKBS9951V
04118JH
08028TO

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4-Methylcatechol ≥95%

Sigma-Aldrich

M34200

4-Methylcatechol

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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

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