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Merck
CN

M89803

Mucochloric acid

99%

Synonym(s):

2,3-Dichloromalealdehydic acid

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About This Item

Linear Formula:
OHCCCl=CClCOOH
CAS Number:
87-56-9
Molecular Weight:
168.96
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24897301
EC Number:
201-752-4
Beilstein/REAXYS Number:
1705641
MDL number:
MFCD00006966
Assay:
99%
Form:
crystals

Key Documents

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InChI

1S/C4H2Cl2O3/c5-2(1-7)3(6)4(8)9/h1H,(H,8,9)/b3-2+

InChI key

LUMLZKVIXLWTCI-NSCUHMNNSA-N

SMILES string

OC(=O)\C(Cl)=C(/Cl)C=O

assay

99%

form

crystals

mp

125-128 °C (lit.)

Quality Level

100

Related Categories

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

wgk

WGK 2

flash_point_f

366.8 °F

flash_point_c

186 °C

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
STBL1457
STBK9418
STBK0865
STBJ3843
STBG7204

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I R Politzer et al.
Archives of environmental contamination and toxicology, 20(3), 371-374 (1991-04-01)
Cyclodextrins form inclusion complexes with a wide range of guest molecules which wholly, or in part, fit into their hydrophobic cavity. Since no covalent bonds are formed in this complexation, the guests can subsequently be eluted. The possibility of such
R T LaLonde et al.
Environmental and molecular mutagenesis, 22(3), 181-187 (1993-01-01)
A difference in biological response to enantiomers is not an uncommon observation and is, therefore, to be expected in various manifestations of genotoxicity. The bacterial mutagen mucochloric acid (2,3-dichloro-5-hydroxy-2(5H)-furanone) has one chiral center, at C-5, but this mutagen exists in
Rafael Gómez-Bombarelli et al.
Water research, 45(2), 714-720 (2010-09-22)
One group of disinfection byproducts of increasing interest are the halogenated furanones, which are formed in the chlorination of drinking water. Among these halofuranones is mucochloric acid (MCA, 3,4-dichloro-5-hydroxyfuran-2(5H)-one), and mucobromic acid (MBA, 3,4-dibromo-5-hydroxyfuran-2(5H)-one). Both mucohalic acids (MXA) are direct
R T LaLonde et al.
Chemical research in toxicology, 10(2), 205-210 (1997-02-01)
The action of the drinking water mutagen 3,4-dichloro-5-hydroxy-2(5H)-furanone (MCA) on the plasmid phi X174 converted this initially closed circular, supercoiled (SC) DNA to its relaxed (R) and linear (L) forms. Kinetic analysis of this process gave results coinciding with a
Koushik Das Sarma et al.
The Journal of organic chemistry, 72(9), 3311-3318 (2007-04-03)
Novel 5-(1'-hydroxy)-gamma-butyrolactone and gamma-butyrolactam subunits were synthesized by direct vinylogous aldol addition of alpha,beta-dichloro gamma-butyrolactones and gamma-butyrolactams with aldehydes under basic conditions. Different bases and solvents were screened in the context of generating gamma-butyrolactones. Diastereoselectivity was observed and gamma-butenolides and
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