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Merck

D70724

2,4-Dichlorophenoxyacetic acid

97%

Synonym(s):

2,4-D

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About This Item

Linear Formula:
Cl2C6H3OCH2CO2H
CAS Number:
Molecular Weight:
221.04
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
202-361-1
Beilstein/REAXYS Number:
1214242
MDL number:
Assay:
97%
Form:
solid
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vapor pressure

0.4 mmHg ( 160 °C)

assay

97%

form

solid

mp

136-140 °C (lit.)

SMILES string

OC(=O)COc1ccc(Cl)cc1Cl

InChI

1S/C8H6Cl2O3/c9-5-1-2-7(6(10)3-5)13-4-8(11)12/h1-3H,4H2,(H,11,12)

InChI key

OVSKIKFHRZPJSS-UHFFFAOYSA-N

General description

2,4-Dichlorophenoxyacetic acid is a widely used herbicide that decomposes in the presence of water and ultraviolet light to form polymeric humic acids.


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signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves



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Photodecomposition of 2, 4-dichlorophenoxyacetic acid
Crosby DG, et al.
Journal of Agricultural and Food Chemistry, 14, 596-599 (1966)
Manoharan Rajesh et al.
Protoplasma, 251(5), 1231-1243 (2014-03-19)
Podophyllum hexandrum Royle known as Indian mayapple is an important medicinal plant found only in higher altitudes (2,700 to 4,200 m) of the Himalayas. The highly valued anticancer drug Podophyllotoxin is obtained from the roots of this plant. Due to
Miguel Cacho Teixeira et al.
Trends in biotechnology, 25(8), 363-370 (2007-06-20)
Genomic information and tools are beginning to be used to increase our understanding of how organisms of all types interact with their environment. The study of the expression of all genes, at the genome, transcriptome, proteome and metabolome level, in