This product may present as a powder, crystalline powder, or crystalline flakes. The lot specific form is reported in the Certificate of Analysis. Please navigate to the ‘DOCUMENTATION’ section of the Product Detail Page to access a Certificate under ‘Certificate of Analysis’ or click the link below:
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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:
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Product Name
2,4-Dichlorophenoxyacetic acid, 97%
InChI key
OVSKIKFHRZPJSS-UHFFFAOYSA-N
InChI
1S/C8H6Cl2O3/c9-5-1-2-7(6(10)3-5)13-4-8(11)12/h1-3H,4H2,(H,11,12)
SMILES string
OC(=O)COc1ccc(Cl)cc1Cl
vapor pressure
0.4 mmHg ( 160 °C)
assay
97%
form
solid
mp
136-140 °C (lit.)
Quality Level
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Related Categories
1 of 4
This Item | D7299 | 8.20451 | 758078 |
|---|---|---|---|
| assay 97% | assay ≥95% | assay ≥98.0% (acidimetric) | assay 97% |
| Quality Level 100 | Quality Level 200 | Quality Level 200, 300 | Quality Level 100 |
| form solid | form crystalline | form solid | form solid |
| mp 136-140 °C (lit.) | mp 136-140 °C (lit.) | mp 134-137 °C | mp 218-223 °C |
| vapor pressure 0.4 mmHg ( 160 °C) | vapor pressure 0.4 mmHg ( 160 °C) | vapor pressure <0.01 hPa | vapor pressure - |
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.[1]
signalword
Danger
hcodes
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)
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
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
Environmental genomics: mechanistic insights into toxicity of and resistance to the herbicide 2,4-D.
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
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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