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Safety Information

T5785

Sigma-Aldrich

2,4,5-Trichlorophenoxyacetic acid

suitable for plant cell culture, BioReagent, ≥95%, crystalline

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Synonym(s):
Trioxone, 2,4,5-T
Linear Formula:
Cl3C6H2OCH2CO2H
CAS Number:
93-76-5
Molecular Weight:
255.48
EC Number:
202-273-3
MDL number:
MFCD00004301
UNSPSC Code:
10171502
PubChem Substance ID:
24900316
NACRES:
NA.72

biological source

synthetic (organic)

Quality Level

200

product line

BioReagent

Assay

≥95%

form

crystalline

technique(s)

cell culture | plant: suitable

color

off-white to yellow

mp

154-158 °C (lit.)

solubility

5% ethanol: 50, clear to slightly hazy, colorless to faintly yellow

application(s)

agriculture

SMILES string

OC(=O)COc1cc(Cl)c(Cl)cc1Cl

InChI

1S/C8H5Cl3O3/c9-4-1-6(11)7(2-5(4)10)14-3-8(12)13/h1-2H,3H2,(H,12,13)

InChI key

SMYMJHWAQXWPDB-UHFFFAOYSA-N

Gene Information

rat ... Ar(24208)

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Application

2,4,5-Trichlorophenoxyacetic acid has been used in the preparation of basal medium for leaflet explants.

Biochem/physiol Actions

2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) is a synthetic plant hormone (auxin) that promotes processes such as somatic embryogenesis and selective gene transcription. It is also a herbicide that defoliates broad-leafed plants. 2,4,5-T together with 2,4-D comprises the defoliant Agent Orange.

Preparation Note

Preparation and Use

Pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

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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J P Jouanneau et al.
Plant physiology, 96(2), 459-466 (1991-06-01)
When auxin was omitted during either the preparation or the culture of tobacco mesophyll protoplasts, as well as during both periods, synthesis of beta-glucanase was spontaneously induced. In contrast, when protoplasts were prepared and cultured in the presence of 16
G Hagen et al.
Molecular and cellular biology, 5(6), 1197-1203 (1985-06-01)
Nuclei isolated from excised soybean plumules that were treated with 2,4-dichlorophenoxyacetic acid (2,4-D) were active in transcription of four auxin-regulated genes or DNA sequences, which have been described previously (G. Hagen, A. Kleinschmidt, and T. Guilfoyle, Planta 162:147-153, 1984). The
The Effect of 2, 4, 5-T on Embryogenic Tissue Formation in Rose
Estabrooks T, et al.
Flavours and Fragrances (2008)
Anh Duc Ngo et al.
European journal of epidemiology, 25(1), 37-44 (2009-11-07)
The objective of this study is to conduct a meta-analysis of published and unpublished studies that examine the association between Agent Orange (AO) exposure and the risk of spina bifida. Relevant studies were identified through a computerized literature search of
Y R Wang et al.
Water research, 45(13), 3883-3889 (2011-05-10)
A novel electrochemically enhanced advanced oxidation process for the destruction of organic contaminants in aqueous solution is reported in this study. The process involves the use of an iron (Fe) sheet as sacrificial anode and a graphite bar as cathode.
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