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M89803

Sigma-Aldrich

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
Beilstein:
1705641
EC Number:
201-752-4
MDL number:
MFCD00006966
UNSPSC Code:
12352100
PubChem Substance ID:
24897301
NACRES:
NA.22

Quality Level

100

Assay

99%

form

crystals

mp

125-128 °C (lit.)

SMILES string

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

InChI

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

InChI key

LUMLZKVIXLWTCI-NSCUHMNNSA-N

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Related Categories

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H301,H314,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

Flash Point(F)

366.8 °F

Flash Point(C)

186 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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L Kronberg et al.
Chemical research in toxicology, 5(6), 852-855 (1992-11-01)
Mucochloric acid, a genotoxic hydroxyfuranone found in chlorinated drinking water, was reacted with cytidine, adenosine, guanosine, and uridine. HPLC analyses with UV detection at 290 nm showed that one major product peak was formed in the reactions of cytidine, adenosine
R T LaLonde et al.
Chemical research in toxicology, 7(4), 482-486 (1994-07-01)
The inactivation of the drinking water mutagen mucochloric acid (MCA) by reduced glutathione (GSH) was linked to the formation of an MCA-GSH conjugate, a nonmutagen in the Salmonella typhimurium (TA100) plate incorporation assay. Anaerobic formation of MCA-GSH is found now
Ji Zhang et al.
Organic letters, 5(4), 553-556 (2003-02-14)
[reaction: see text] The first direct reductive amination of mucochloric acid (1) has been accomplished. Reaction of 1 with various alkyl, aryl, and benzylamines, followed by reduction in the same pot, provides an efficient method of obtaining N-benzyl-3,4-dichloro-1,5-dihydro-pyrrol-2-one and N-aryl
D Asplund et al.
Chemical research in toxicology, 8(6), 841-846 (1995-09-01)
The bacterial mutagen mucochloric acid was reacted with adenosine in aqueous solutions at 37 degrees C. In the HPLC chromatograms of the reaction mixtures two peaks of unidentified products were observed at longer retention times than the previously characterized "etheno"
R T LaLonde et al.
Chemical research in toxicology, 5(5), 618-624 (1992-09-01)
The Salmonella typhimurium (TA100) mutagenic compound, mucochloric acid [3,4-dichloro-5-hydroxy-2(5H)-furanone (MCA)], was inactivated by in vitro N-acetylcysteine (NAC). The reaction of MCA with NAC at pH7 was second order and gave products 4, 5, and 6a that resulted from the displacement
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