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Agent Orange MeSH Descriptor Data 2025


MeSH Heading
Agent Orange
Tree Number(s)
D02.241.081.018.386.682.224.500
D02.241.081.018.386.682.800.500
D02.241.511.316.682.149.500
D02.241.511.316.682.800.500
D02.309.500.450.500
D03.633.300.786.500
Unique ID
D000075182
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D000075182
Scope Note
A herbicide that contains equal parts of 2,4-dichlorophenoxyacetic acid (2,4-D) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), as well as traces of the contaminant 2,3,7,8-tetrachlorodibenzo-p-dioxin.
Entry Term(s)
(2,4-dichlorophenoxy)acetic acid, butyl ester, mixt. with butyl (2,4,5-trichlorophenoxy)acetate
2,4-D - 2,4,5-T mixture
Pharm Action
Defoliants, Chemical
Registry Numbers
39277-47-9
CAS Type 1 Name
(2,4,5-Trichlorophenoxy)acetic acid - (2,4-dichlorophenoxy)acetic acid (1:1)
Public MeSH Note
2018; AGENT ORANGE was indexed under POLYCHLORINATED DIBENZODIOXINS, 2,4-DICHLOROPHENOXYACETIC ACID, and 2,4,5-TRICHLOROPHENOXYACETIC ACID 1980-2017
History Note
2018 (1980)
Date Established
2018/01/01
Date of Entry
2017/07/11
Revision Date
2017/05/24
Agent Orange Preferred
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