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Key Documents

C0413

Sigma-Aldrich

4-Chlorophenoxyacetic acid

BioReagent, suitable for plant cell culture, crystalline

Synonym(s):

4-CPA

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About This Item

Empirical Formula (Hill Notation):
C8H7ClO3
CAS Number:
Molecular Weight:
186.59
Beilstein/REAXYS Number:
1211804
EC Number:
MDL number:
UNSPSC Code:
10171502
PubChem Substance ID:
NACRES:
NA.72

product line

BioReagent

Quality Level

form

crystalline

technique(s)

cell culture | plant: suitable

application(s)

agriculture

SMILES string

OC(=O)COc1ccc(Cl)cc1

InChI

1S/C8H7ClO3/c9-6-1-3-7(4-2-6)12-5-8(10)11/h1-4H,5H2,(H,10,11)

InChI key

SODPIMGUZLOIPE-UHFFFAOYSA-N

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Application

4-Chlorophenoxyacetic acid has been used in para-chlorophenoxyacetic acid (p-CPA) residue assay.
4-chlorophenoxy acetic acid (4-CPA), a chlorine derivative of phenoxyacetic acid (PA), is a plant growth regulator used as a herbicide.

Biochem/physiol Actions

4-Chlorophenoxyacetic acid is a synthetic auxin, that is used to induce parthenocarpic ovary growth on flowers of wild type plants.

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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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Tomato fruit development in the auxin-resistant dgt mutant is induced by pollination but not by auxin treatment
Mignolli F, et al.
Journal of Plant Physiology, 169(12), 1165-1172 (2012)
p-CPA enhances growth and quality of muskmelon fruits
Hayata Y, et al.
Plant Growth Regulation, 36(1), 13-18 (2002)
G Carbonara et al.
Farmaco (Societa chimica italiana : 1989), 56(10), 749-754 (2001-11-23)
2-(4-Chloro-phenoxy)propanoic and 2-(4-chloro-phenoxy)butanoic acids are compounds known to block chloride membrane conductance in rat striated muscle by interaction with a specific receptor. In the present study, a series of chiral analogues has been prepared and tested to evaluate the influence
K T Ranjit et al.
Environmental science & technology, 35(7), 1544-1549 (2001-05-12)
The photocatalytic degradation of p-chlorophenoxyacetic acid has been investigated in oxygenated aqueous suspensions of lanthanide oxide-doped TiO2 photocatalysts. Complete mineralization was achieved. The enhanced degradation is attributed to the formation of Lewis acid-base complex between the lanthanide ion and the
Birame Boye et al.
Environmental science & technology, 36(13), 3030-3035 (2002-07-30)
The herbicide 4-chlorophenoxyacetic acid (4-CPA) has been degraded in aqueous medium by advanced electrochemical oxidation processes such as electro-Fenton and photoelectro-Fenton with UV light, using an undivided cell containing a Pt anode. In these environmentally clean methods, the main oxidant

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