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D70724

Sigma-Aldrich

2,4-Dichlorophenoxyacetic acid

97%

Synonym(s):

2,4-D

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About This Item

Linear Formula:
Cl2C6H3OCH2CO2H
CAS Number:
94-75-7
Molecular Weight:
221.04
Beilstein:
1214242
EC Number:
202-361-1
MDL number:
MFCD00004300
UNSPSC Code:
12352100
PubChem Substance ID:
24894078
NACRES:
NA.22

vapor pressure

0.4 mmHg ( 160 °C)

Quality Level

100

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

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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.

Signal Word

Danger

Hazard Statements

H302,H317,H318,H335,H410

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

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

农药列管产品

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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
Thomas S Ream et al.
Molecular cell, 33(2), 192-203 (2008-12-27)
In addition to RNA polymerases I, II, and III, the essential RNA polymerases present in all eukaryotes, plants have two additional nuclear RNA polymerases, abbreviated as Pol IV and Pol V, that play nonredundant roles in siRNA-directed DNA methylation and
Olga I Kubrak et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 157(3), 259-265 (2013-01-08)
This study investigated the effects of 2,4-dichlorophenoxyacetic acid (2,4-D), a widely used herbicide, on the metabolism of goldfish, Carassius auratus, using only vital (non-lethal) approaches. After 96 h exposure to 1, 10 or 100 mg/L of 2,4-D selected hematological (total
David H Garabrant et al.
Critical reviews in toxicology, 32(4), 233-257 (2002-08-20)
The scientific evidence in humans and animals relevant to cancer risks, neurologic disease, reproductive risks, and immunotoxicity of 2,4-D was reviewed. Despite several thorough in vitro and in vivo animal studies, no experimental evidence exists supporting the theory that 2,4-D
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