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Sigma-Aldrich

2-Chloropropionic acid

92%

Synonym(s):

(±)-2-Chloropropionic acid

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About This Item

Linear Formula:
CH3CHClCOOH
CAS Number:
598-78-7
Molecular Weight:
108.52
Beilstein:
1720259
EC Number:
209-952-3
MDL number:
MFCD00004224
UNSPSC Code:
12352100
eCl@ss:
39050312
PubChem Substance ID:
24846904
NACRES:
NA.22

vapor pressure

4 mmHg ( 20 °C)

Assay

92%

refractive index

n20/D 1.4345 (lit.)

bp

170-190 °C (lit.)

solubility

H2O: soluble

density

1.182 g/mL at 25 °C (lit.)

SMILES string

CC(Cl)C(O)=O

InChI

1S/C3H5ClO2/c1-2(4)3(5)6/h2H,1H3,(H,5,6)

InChI key

GAWAYYRQGQZKCR-UHFFFAOYSA-N

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General description

(S)-2-Chloropropionic acid is the building block for the synthesis of aryloxyphenoxypropionic acid herbicides. 2-Chloropropionic acid is the raw material for production of pesticides, dyestuffs and agro- and forest chemicals.

Application

  • 2-Chloropropionic acid is used in the preparation of propargyl 2-chloropropionate (PCP), an atom transfer radical polymerization (ATRP) initiator, by the esterification of propargyl alcohol.
  • It can be employed in the synthesis of a biologically active chitin derivative, (1-carboxyethyl) chitosan.
  • It can be treated with o-phenylenediamine phosphate to synthesize benzimidazole derivatives.

Biochem/physiol Actions

2-Chloropropionic acid on oral administration induces necrosis of granule cell layer of rat cerebellum.

Other Notes

Contains 2,2-dichloropropionic acid

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1A

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

215.6 °F - closed cup

Flash Point(C)

102 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis of a new chitin derivative,(1-carboxyethyl) chitosan.
Shigemasa Y, et al.
Chemistry Letters (Jpn), 24(8), 623-624 (1995)
Asymmetric reduction of 2-chloroacrylic acid to (S)-2-chloropropionic acid by a novel reductase from Burkholderia sp. WS.
Kurata A, et al.
Tetrahedron Asymmetry, 15(18), 2837-2839 (2004)
A facile and ?Green? synthesis of 2-substituted benzimidazoles.
Srinivas K and Dubey P K
Der Chemica Sinica, 5(2), 114-117 (2014)
R E Williams et al.
Journal of neurochemistry, 76(4), 1057-1065 (2001-02-22)
L-2-Chloropropionic acid is selectively toxic to the cerebellum in rats; the granule cell necrosis observed within 48 h can be prevented by prior administration of MK-801. Short-term treatment (2 h) with L-2-chloropropionic acid has also been shown to activate the
R E Williams et al.
Magnetic resonance imaging, 19(2), 133-142 (2001-05-19)
L-2-Chloropropionic acid (L-CPA) is selectively toxic to rat cerebellar granule cells; necrosis is first observed about 36 hours after administration of L-CPA (750 mg/kg p.o.) becoming more marked by 48 h. Parallel to the onset of cell death an increase
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