480487
2,5-Dichlorohydroquinone
98%
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About This Item
Linear Formula:
Cl2C6H2(OH)2
CAS Number:
Molecular Weight:
179.00
UNSPSC Code:
12352100
PubChem Substance ID:
EC Number:
212-533-8
MDL number:
Product Name
2,5-Dichlorohydroquinone, 98%
InChI key
AYNPIRVEWMUJDE-UHFFFAOYSA-N
InChI
1S/C6H4Cl2O2/c7-3-1-5(9)4(8)2-6(3)10/h1-2,9-10H
SMILES string
Oc1cc(Cl)c(O)cc1Cl
assay
98%
mp
168-171 °C (lit.)
Quality Level
General description
2,5-Dichlorohydroquinone (2,5-DCHQ) is a hydroquinone derivative that can be synthesized by reducing 2,5-dichloroquinone using sodium dithionite (Na2S2O4). The kinetics of the reaction of 2,5-DCHQ and N-phenyl-1,4-benzoquinonemonoimine has been studied. The transformation of 2,5-DCHQ to 2-chloromaleylacetate using PcpA (Pcp = pentachlorophenol) protein, isolated from Escherichia coli has been investigated. It is reported to be the degradation product of 2,4,5-trichlorophenoxyacetic acid and γ-hexachlorocyclohexane.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Regulatory Information
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Y Nagata et al.
Journal of bacteriology, 176(11), 3117-3125 (1994-06-01)
In Pseudomonas paucimobilis UT26, gamma-hexachlorocyclohexane (gamma-HCH) is converted to 2,5-dichloro-2,5-cyclohexadiene-1,4-diol (2,5-DDOL), which is then metabolized to 2,5-dichlorohydroquinone. Here, we isolated from the genomic library of UT26 two genes which expressed 2,5-DDOL dehydrogenase activity when they were transformed into P. putida
C Klos et al.
Xenobiotica; the fate of foreign compounds in biological systems, 24(10), 965-976 (1994-10-01)
1. The metabolism of 1,4-dichlorobenzene has been studied in the male and female Fisher 344 rat over 72 h after oral administration of 14C-1,4-dichlorobenzene (900 mg = 96.8 microCi/kg). No covalent binding of radioactivity could be detected in samples of
S Oikawa et al.
Carcinogenesis, 17(12), 2733-2739 (1996-12-01)
p-Dichlorobenzene (p-DCB) has been reported to be carcinogenic for rodents, although it does not seem to be mutagenic in bacterial test systems. In this study, the mechanism of DNA damage by metabolites of p-DCB in the presence of metals was
R A Haugland et al.
Applied and environmental microbiology, 56(5), 1357-1362 (1990-05-01)
Combined cell suspensions of the 2,4,5-trichlorophenoxyacetic acid (2,4,5-T)-metabolizing organism Pseudomonas cepacia AC1100, and the 2,4-dichlorophenoxyacetic acid (2,4-D)-metabolizing organism Alcaligenes eutrophus JMP134 were shown to effectively degrade either of these compounds provided as single substrates. These combined cell suspensions, however, poorly
Y Ohtsubo et al.
FEBS letters, 459(3), 395-398 (1999-10-20)
The pentachlorophenol (PCP) mineralizing bacterium Sphingomonas chlorophenolica ATCC39723 degrades PCP via 2,6-dichlorohydroquinone (2,6-DCHQ). The pathway converting PCP to 2,6-DCHQ has been established previously; however, the pathway beyond 2,6-DCHQ is not clear, although it has been suggested that a PcpA plays
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