Classification of Herbicides Based on Chemical Composition
a. Phenoxy Compounds:
1. 2, 4-D (2, 4-Dicholoro Phenoxy acetic acid)
2. MCPA (2 Methyl, 4-Chlorophenoxy acetic acid)
3. Sesane (Sodium 2, 4-Dichlorophenoxyethl sulphate)
4. 2, 4-D EP or TRIS (2.4 Dichlorophenxy acetic acid)
5. 2, 4, 5-T (2, 4, 5 – Trichlorophenoxy acetic acid)
6. 2, 4 TP or Silvex (2, 4,5 Trichloro Phenoxy proplanci acid)
7. 2, 4 DB or (2, 4 Dichlorophenxy) Butyric acid,
8. Erbon or 2 (2, 4 Trichlorophenoxy) Ethyl 2, 2. Dichlore propionates.
b. Phenyl Acetic Acid:
1. Fenac or 2, 3, 6 Trichloro phenyl acetic acid.
c. Benzoic Acid:
1. 2, 3,6 Trichloro Benzoic acid or 2,3,6 TBA
2. Amiben or 2, amino 2, 5 Dichlorobenzoic acid.
d. Pthalic Acid: Endothal, DCPA
e. NPA or N-1 Napthyl Pthalamic Acid
f. Aliphatic Acid:
1. TCA – Trichloro acetic acid.
2. Dalapon or 2, 2 Dichioropropionic acid
g. Substituted Pnenols:
1. PCP or Pentachlorophenol,
2. PCP sodium salt.
3. DNBP or Dintrophenols.
h. Heterocyclic Nitrogen Derivatives:
1. Simazine or, Chlore, 2, 4, 6, Bis (Ehylamine) S-triazine.
2. Atrazine or 2, Chlore, 4 ethylamino 6 isopropyl amino S-triazine.
3. Maleic hydrazide or MH or 2.2 Dihydre Pyridazine 3, 6 Doine.
4. Amitrol or 3 Amino 1, 2, 3 triazoles.
i) Aliphatic Organic Nitrogen Derivatives:
1. Substituted areas.
2. Fenuron or 3, phenyl 1-1 dimethyl urea.
3. Monuran or 3 (3, 4 Dichlorophenyl 1-1 dimethyl urea).
4. Diuron or 3 (3, 4 Dichlorophenyl 1-1 dimethyl urea).
5. Neburon or 3 (3, 4 Dichlorophenyl 1-1 methyl = Butl urea).
j) Carbamate:
1. IPC or isopropyl N phenylcarbamate.
2. CIPC or ISOPROPYL N-3 Chlorophenyl Carbamate.
k) Other Amides:
1. CDAA or Rendexn (2 Chloro N-N diallyl – acetamide).
2. Diphenamid (N, N dimethyl a-a diphenyl accetamide)
l) Metal Organic and Inorganic Salts:
1. Metal organic compounds.
2. Sodium chlorate.
3. Calcium cynamide.
4. Phenyl mercuric Acetate or PMA
5. Ammonium sulphamate.
m) Inorganic Salts.
1. Boron
2. Arsenic
i) Arsenic trioxide or AS2O5 or white arsenic
ii) Sodium Arsenite or NO2ASO3 and sodium acid Arsenite or NO2HASO3
iii) DMA or Disodium methyl Arsanate.
iv) Calcium Arsenite.
n) Other Organic Herbicide:
1. Hydrorarbons or oils:
i) Saturated hydro carbons.
ii) Unsaturated by rocarbons e.g. Gasolene, Kersene, Fuel oil diesel oil.