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Herbicides Used In Vietnam
Part 3
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Yearly Herbicides Used In Vietnam

CHEMICAL MATERIALS USED IN V'NAM

Note: Many of the chem materials listed were used in V'nam but do not have an entry for when or the amount of material used. The materials were used in V'nam between 1-61 and 73. The amounts used varied between 5 gallons [gal] for testing and thousands of gal used for specialized missions and the relevant info classified.

Name: Afalon
CLASS/LABEL [C/L]: HERB (CAUTION)
CHEMICAL NAME [CN]: 50% N-(3,4 dichlorophenyl)-N-methoxy mentheusea.
USED FOR [UF]: Selective weed control
MANUFACTURER [MFG]:
USED BETWEEN [UB]: 1967 Austrailian tests
AMOUNT USED [AU]: Under 5 gals

Name: AGENT BLUE
C/L: HERB (CAUTION)
CN: Hydroxydimethylarsine Oxide (cacodylate adic)
UF: Rice crop destruction and to kill grass and bamboo
MFG: Ansul Company
UB: 64-71
AU: 2,166,656 gals

Name: AGENT GREEN
C/L: HERB (WARNING)
CN: n-butyl ester of 2,4,5-T
UF: Defoliation of jungle cover
MFG: Bayer A G, Dow Chem, Union Carbide
UB: 62-64
AU: 8,2O8 gals

Name: Agent Orange
C/L: HERBCIDE (Caution)
CN: A 50/50 mixture of n-butyl ester of 2,4,-dichlorophenoxy acetic acid
and 2,4,5,-Trichlorophenoxy Acetic acid
UF: Defoiliation of jungle cover
MFG: Hercules Inc, Dow Chem, Diamond Shamrock, TH Agriculture and Nutrition
Co, Thompson Chem Corp. Mansanto Co, Uniroyal Inc
UB: 1964 and 4-70
ANT USED: 10,316,929 gals

Name: Agent Orange II
C/L: Herb (Caution)
CN: A 50/50 mixture of n-butyl esters of 2,4-dichlorophenoxy acetic acid
and issocytl ester of 2,4,5-T
UF: Defoliation of jungle cover
MFG: Miller Chem and Fertilzer, Union Carbide, Bertac, Dow Chemnical,
Diamond Shamrock, ICIANZ
UB: 68-69
AU: 950,000 gals

Name: Agent Pink
C/L: Herb (Caution)
CN: 2,4,5-Trichlorophenoxy acetic acid
UF: Defoliation of jungle cover
MFG: Dow Chem, Union Carbide
UB: 62-64
AU: 122,800 gal

Name: Agent Purple
C/L: Herb (Caution)
CN: A 50/30/20 mixture of n-butyl ester of 2,4-D, n-butyl, N-butyl 2,4,5-
T, and Iso-butyl 2,4,5-T
UF: Forest defoliation
UB: 1962-64
MFG: Union Carb, Diamond Shamrock, Dow Chem
AU: 145,000 gal

Name: Agent White
C/L: Herb (Caution)
CN: a 20/80 mixture of Triisopropanolimine salts of picloram and 2,4-D acid
UF: Forest defoliation
MFG: Dow Chem, Union Carbide
UB: 66-71
AU: 5,264,129 gal

Name: Agral
C/L: Wetting agent (None)
CN: Nonylophenolethylene oxide condensate
UF: A wetting and spreading agent for herb's
MFG: ICI Plant Protection Div
UB: 67
AU: 12,500 gal

Name: Aldrin
C/L: Inscticde (Warning)
CN: 1,2,3,4,10,10-hexocholor-1,4,4a,5,8,8a,-hexahydroexo
1-4-endo-5,8, -dimethanonnnaphthalene not less the 95%
UF: primarilly to control insects
MFG: Shell Chem
UB: 72-73
AU: 15,400 pounds [lbs]

Name: Axodrin - 5
C/L: Insct (Danger, poison)
CN: Dimethyl phosphate of 3-hydroxy-N-methyl-cis-croto-namide, or 0,0-
dimethyl-0-(2 methylcarbamoyl-1-methyl-vinyl) phosphate, or Phosphoric
acid, dimethyl 1-methyl-E-(methylamino)-3-oxo-1-propenyl ester
UF: USAID fram prog insct used on potatoes, cotton, rice, a very stable
toxic material UF: control of flies, thrips, bollworms, and aphids
MFG: Crystal Chem Inter-America
UB: 72-73
AU: 213,850 lbs

Name: Danex
C/L: Herb (Caution)
CN: 20% solution of 2-methoxy 3-6-dichlorobenzoic acid
UF: Nonselective grass and weed killer
MFG: ICIANZ
UB: 67 Australian test
AU: under 5 gal

Name: BHC
C/L: Insct (Warning)
CN: 1,2,3,4,5,6-Hexahlorcyclohexane; aka benzene hexachloride
UF: Control of pests in cereals and sugar beets. Production or use of BHC
is prohibited in the US by the EPA
MFG: Hooker Chem; Woolfolk Chem
UB: 72-73
AU: 275,575 lbs

Name: Bidran
C/L: Insct (Danger/Poison)
CN: Phosphoric acid, di-methyl 1-methyl-n, n-(dimethyl-amion)-3-oxo-1
ppropenyl ester, (E)-isomer-(9CI); or dimethyl phosphate of 3-hydroxy-N-N-
dimethyl-cis-crotonamide; or 2-dimethyl cis-2 dimethyl-carbamol-1
-methylvinyl phosphate
UF: USAID farm prog insct used for the control of pests on cotton and
control of ticks
MFG: Shell Chem
UB: 72-73
AU: 84,800 lbs

Name: Binoctal
C/L: Medication (Prescription)
CN: A headache medication containing 50 meg of amytal (tradename for
amobarbital, a sedative and hypnotic) and 70mg of seconal (tradename for
secobarbital, a short acting barbitrate)
UF: A French headache medicne, available withot prescription in V'nam:
when abused, it led to persistent neurological disorders, sudden
aggression, personality changes, and disorientation
MFG: A French product
UB: 62 and 75
AU: unk

Name: Borate Chlorate
C/L: Herb (Warning/Danger)
CN: Sodium tetraborate dechydrate and Na Cl O2
UF: A non-selective herb and soil sterilant
MFG: Kerr-McGee Chem Corp (Australian)
UB: 67
AU: 4,500 lbs (estimated)

Name: Bromacil
C/L: Herb (Caution/Warning)
CN: 5-Bromo-3-sec-butyl-6-methyuracil
UF: weed and brush killer
MFG: Hopkins Agriculture
UB: 68-69
AU: 16,500 lbs

Name: Butoxone 80
C/L: Herb (Caution)
CN: 80% butyl ester of 2,3,5-trichlorophenoxy acetic acid
UF: Defoliant
MFG: ICIANZ
UB: 67 Australian tests
AU: 44,100 lbs

Name: Cacodylic Acid (Phytar 138)
C/L: Herb (Caution)
CN: Hydroxydimethylarsine oxide or dimethylarsinic acid
UF: grass, bamboo, and rice crop destruction
MFG: Ansul Co
UB: 62-64
AU: 10,000 lbs

Name: Carbaryl (Selvin)
C/L: Insct (Caution/Poison)
CN: 1-Naphthyl N-methylcarbamate
UF: control of insect pests on field crops, trees, poultry and pets
MFG: Union Carbide Agriculture Products Co, Inc
UB: 72-73
AU: 72,750 lbs

Name: Chlorfurazole 8
C/L: Herb (Caution)
CN: 20% sodium salt of 4,5-dichloro-2-trifluro-methyl benzimidazole
UF: Herb
MFG: Fisons
UB: 67 Australian tests
AU: under 50 gals

Name: Chlordane
C/L: Insct (Warning)
CN: 1,2,4,5,6,7,8,8-Octachlor-2,3a,4,7,7a-hexahydro-4,6-methanoindane
UF: sprayed for cockroach, termite, tick, and flea control, Banned by the
EPA in 75 for all domestic use
MFG: PPG Industries
UB: 62-72
AU: 50,000 gals

Name: Cresote (Coal Tar)
C/L: Wood preservative (Caution)
Chem Properties: Relatively insoluble in H2O
UF: wood preservative possessng a high toxicity to wood destroying
organisms and a low rate of evaporation
MFG: Crowley Tar Products Co; Koopers Co Inc Organic Materials; Los Angeles
Chemical Co
UB: 62-71
AU: Unk

Name: 2,4, D Acid
C/L: Herb (Warning)
CN: 2,4-Dichlorophenoxyacetic acid
UF: Defoliant; also used in Agents Orange, White, Purple, and as a
separate defoliant
MFG: Miller Chem and Fertilizer; Union Carbide; Vertac; Dow Chem; Diamond
Shamrock
UB: 72-73
AU: 815,000 lbs

Name: 2,4-D Ester
C/L: Herb (Warning)
CN: A compound formed by the union of an organic acid and an organic base
(an alcohol). An example is 2,4-D and isoocytyl alcohol to form the isooctyl
ester of 2,4-D
UF: Defoliation of forest canopy
MFG: Miller Chem and Fertilizer; Union Carbide; Vertac; Dow Chem; Diamond
Shamrock; ICIANZ
UB: 62-70 in AO mixes; 72-73 as a separate herb; 67 Australian tests
AU: 224,870 lbs (72-73)

Name: DDT
C/L: Insct (Caution)
CN: Dichloro, Diphenyl, Trichloroethane
UF: Dusted to control rat fleas in quarters
MFG: Montrose Chemical; Diamond Shamrock
UB: 72-73
AU: 2,253,100 lbs

Name: DDVP
C/L: Insct (Danger/Poison)
CN: 2,2-Dichlorovinyl dimethyl phosphate
UF: Dusted to control rat fleas in quarters and pests in stored grain
MFG: Hopkins Agriculture
UB: 72-73
AU: 674,600 lbs

Name: Dalapon
C/L: Herb (Caution)
CN: 2,2-Dichlorpropionic acid
UF: effective against annual grasses and brushes
MFG: Dow Chem; Crystal Chem; Bayer
UB: 72-73; 67 Australian tests
AU: 121,250 lbs

Name: Dapsone
C/L: Medication
CN: 4-4' Diraminodipheylsufone
UF: An experimental anti-malaria drug used in combat areas in 67-69.
Dapson is the drug of choice for treatment of Hansens disease (Leprosy)
MFG:
UB: 67-69
AU: Unk

Name: DEET
C/L: Insct Repellant (Caution)
CN: N,N-Diethyl-m-Toluamide
UF: Insect repellant, personal and clothing
MFG: Chemical Formulators; Hercules
UB: 62-73
AU: Unk

Name: Del Defoliant 21
C/L: Herb
CN:
UF: A defoliant preparation intended for causing leaves to drop from crop
plants such as cotton, soybeans or tomatoes, usually to facilitate
harvest. Used as a fire base defoliant
MFG: Australian
UB: 67-69
AU: over 44,100 lbs

Name: Diazinoh
C/L: Insct (Caution)
CN: O,O-Diethyl O (2-isopropyl-4-methyl-6-pyrimidinyl) phosphorothiote
UF: Principality used for control of soil insects, also in rice pesticide
control
MFG: Ciba-Geigy Corp Agricultural Div
UB: 72-73
AU: 1,016,320 lbs

Name: Dibrom
C/L: Insct (Danger)
CN: 1,2-Dibromo-2,2-Dichloroethyl dimethyl phosphate
UF: Araricide insct used on numerous crops, flies, and in food processing
plants
MFG: Chevron Chem Co; Ortho Agricultural
UB: 72-73
AU: 520,285

Name: Dieldrin
C/L: Insct (Warning)
CN: Hexachloro-epoxy-octahydroendo,exo-dimethanonaph thalene (principal
constituent, known as HEOD), with not over 15% related compounds
UF: Insect control around quarters
MFG: Shell International
UB: 64-71
AU: 11,025 lbs

Name: Diquat
C/L: Herb (Warning)
CN: 1,1'-2-2'-Bipyridylium ion: or 6, 7-dihydrodipyridol (1,2-a:2,'1'-c)
pyrazdiiumion present in formulation as the dibromide monohydrate salt
UF: Defoliant - aquatic weed control
MFG: ICI Plant Protection Div
UB: 67-70; 67 Australian tests
AU: 40,000 lbs

Name: Diuron
C/L: Herb (Caution)
CN: 3-(3-4-Dichlorophenyl)-1,1-dimethylurea
UF: selective broadleaf herb and soil sterilant
MFG: Hopkins Agriculture
UB: 64
AU: under 5 gals

Name: EPN
C/L: Insct (Danger)
CN: O-Ethyl O(4-nitrophenyl) phenylohoshonolhioate on ethyl p-nitrophenyl
theonobenzenephosphonate
UF: insect control such as rice stem borer and boll weevil
MFG: EI duPont de Nemours and Co Inc
UB: 72-73
AU: 26,450 lbs

Name: Endrin
C/L: Insct (Danger)
CN: Hexachloroepoxyactahydro-endo,endodimethanona-phthalene (principal
constituent)
UF: Insect control on cotton and small grains
MFG: Velsicol Chem Corp
UB: 72-73
AU: 451,940 lbs

Name: Furadan
C/L: Insct (Warning/Danger)
CN: 2,3-Dihydro-2,2-dimethyl-7-benzofuranyl methylcarbamate
UF: insect control in living quarters
MFG: Pillar International; FMC agricultural Chem Group
UB: 73
AU: 103,620 lbs

Name: Gardona
C/L: Insct (Caution)
CN: (Z) isomer of the compound 2-chloro-1-(2,4,5 trichloropheny) vinyl
dimethyl phosphate
UF: major pests on cotton, corn, and stored grain
MFG: Shell International Chem Co
UB: 72-73
AU: 26,450 lbs

Name: Lindane
C/L: Insct (Warning)
CN: Gamma isomer of 1,2,3,4,5,6-hexachlorocy-clohexane
UF: a powder used in living quarters for roaches and around rat burrows
for fleas
MFG: Celamerck Gmbh and Co KG
UB: 72-73
AU: 46,300 lbs

Name: Malathion
C/L: Insct (Caution)
CN: O,O-dimethyl phosphorodithoate of diethylmercapto succinate or
diethylmercaptosuccinate, S-ester with O,O-dimethyl phosphorodithioate
UF: roach and pest control in living quarters
MFG: American Cyanamid Co
UB: 72-73
AU: 1,380,080 lbs

Name: Maneb
C/L: Fungicide (Caution)
CN: Manganese ethylenebisdithiocarbamate
UF: Blight on tomatoes and potatoes
MFG: Crystal Chem Inter-American; Cumberland International Co
UB: 72-73
AU: 485,000 lbs

Name: Methyl Parathion
C/L: Insct (Danger)
CN: O,O-dimethyl-O-p-nitrophenyl phosphorothioato
UF: broad use insect control
MFG: Kerr McGee Chem
UB: 72-73
AU: 343,920 lbs

Name: Mirex
C/L: Insct (Warning)
CN: Dodecachlorooctahydro-1,3,4-metheno-2 N-cyclobuta (cd) pentalene
UF: General purpose insct
MFG: Allied Chem Corp
UB:
AU:

Name: Nonuron
C/L: Herb (Caution)
CN: 3-(p-chlorophenyl)-1,1-dimethylurea
UF: Soil Sterilant
MFG: Hopkins Agricultural chem Co
UB:
AU:

Name: Paraquat
C/L: Herb (Danger/Poison)
CN: 1,1-dimethyl-4-4'-bipyridinium ion; present as the dichloride salt
(ICI/Chevron) or dimethyl sulfate salt
UF: Contract herb and dessicant (Extremely toxic)
MFG: Ortho
UB: 67
AU: 330 lbs

Name: Phosphamidon
C/L: Insct(Poison)
CN: O,O-dimethyl O-(2-chloro-2-diethylcarbamoyl-1-methyl-vinyl) phosphate
UF: Insect control in quarters, stores, etc
MFG: Chevron Chem Co; Ortho Agricultural Chems Div
UB: 72-73
AU: 41,900 lbs

Name: Phosvel
C/L: Insct (Warning)
CN: O-(4-Bromo-2,5-dichlorophenyl) O-methylphenlphos phonothioate
UF: Insect control in grain storage and warehouses
MFG: Velsicol Chem Corp
UB: 72-73
AU: 41,900 lbs

Name: Icloram
C/L: Herb (Caution/Warning)
CN: 4-amino-3,5,6-trichloropicolinic acid
UF: Herb against a wide variety of deep rooted herbaceous weeds and woody
plants, also used in Agent White
MFG: Dow Chem Co
UB: 66-71
AU: 5,274,129 gals (2,650 lbs in 68)
Name: Polybor Chlorate
C/L: Herb (Caution)
CN: 73% disodium octaborate tetrahydrate and 25% sodium chlorate
UF: Non-selective weed and grass killer
MFG: US Borax
UB: 66-67
AU: 68,500 lbs

Name: Primatol A
C/L: Herb (Caution)
CN: 2-chloro-4-ethylamino-6 isopropye-amino-1:3:5-trazine
UF: Selective herb
MFG: Geigy
UB: 67 Australian tests
AU: under 5 gals

Name: Pyrethrins
C/L: Insct (Caution)
CN: a botanical insct with active principles of pyrethrins, cinerins, and
jasmolins I and II
UF: Stock, sprays, pet sprays, and food warehouses
MFG: Fairfield American Corp, McLaughlin Gormley King Co; Printiss Drug and
Chem Co
UB:
AU:

Name: Tandex
C/L: Herb (Caution)
CN: m-(3,3-dimethylureido) phenyl-tert-butylcarbamate
UF: Broad spectrum defoliant for weeds and brush
MFG: FMC Corp
UB:
AU:

Name: Trinoxol
C/L: Herb (Caution)
CN: 2,4,5-Trichlorophenoxy acetic acid, and 49% butoxy ethanol ester of
2,4,5-T
UF: Selective herb for brush control
MFG: Union Carbide
UB:
AU:

Name: Urox 22
C/L: Herb (Caution/Warning)
CN: 3-(p-chlorophenyl)-1-1dimethylureatrichloroacetate
UF: soil sterilant - long lasting
MFG: Hopkins Agricultural Chem Co
UB:
AU:

Name: Weedazole
C/L: Herb (Caution)
CN: 3-Amino-1,2,4-traizole
UF: control of annual grasses and broadleaf leaves
MFG: Geigy
UB: 67 Australian tests
AU: under 5 gals

Name: Zinc Phosphide
C/L: Rodenticide (Danger/Warning)
CN: Zn3 P2
UF: Mice, rat, rodent control
MFG: Hopkins; Bell Laboratories Inc
UB: 72-73
AU: 99,200

Name: Zineb
C/L: Fungicide (Caution)
CN: Zinc ethylenebisdithiocarbamate
UF: control of mites on citrus
MFG: Bayer AG; Farmoplant SPA; FMC Corp Agricultural Chem Group
UB: 72-73
AU: 257,940 lbs

BIBLIOGRAPHY
  • VA Dept of Medicine and Surgery 810 Vermont Avenue N.W., Washngtn DC 20420 >Centers for Disease Control Center for Environmental Hlth AO Projects 1600 Clifton Rd N.E., Atlanta, GA 30333
  • Civilian Vets of V'nam, Natl Projects Office, Washg'tn DC 20069-2052
  • Brown, JW. "Vegetational Spray Tests in South V'nam", US Army Chem Corps Research and Development Command, US Army Biological Laboratories, Fort Detrick, MD
  • Carson, Rachel, "Silent Spring". Boston; Houghton Mifflin Co, 1962
  • Dux, John, and PJ Young, "AO: The Bitter Harvest." Sydney: Hodder and Stoughton, 1980
  • Farm Chems Handbook 1984 PO Box 17866, Memphis, TN 38187-0866
  • Rice-Grant, Sharon. "Does Anyone Care? About the Hlth of Women who served in V'nam"
  • General Accounting Office of the Comptroller General. "US Ground Troops in South V'nam Were In Area Sprayed with Herb Orange" Washngtn, DC, 1979
  • Hoar, Dr. Shelia. "Farmers Cancer Study", Natl Cancer Institute
  • JRB Associated, "Review of Literature on Herbs Including Phenoxy Herbs and Associated Dioxins", Volume 1, Analysis or Literature, VA, 1980.
  • Long, Janice R., and David J Hanson, "Dioxin Issue Focuses on 3 Major Controversies in the US" Chem and Engineering New, 6-6-83, p. 26
  • US Dept of Hlth and Human Services, "NIOSH Current Intelligence Bulletin 40," 1-23-84.
  • Milham, S, (1982) "Herbs, Occupation, and Cancer". Lancet, 1: 1464-1465
  • Peracchio, Adrian. "Viet Poisons: Problem Goes Beyond AO." San Francisco Chronicle, 7-9-80, p. A4.
  • Pfeiffer, EW, "Harvest of Death: Chem Warfare in V'nam and Cambodia", NY: Free Press, 1971
  • Smith, Stephen C. "'Doughnut Dollies' Fight V'nam Syndrome", Daily Ledger, Antioch, CA 3-3-1982
  • Sommer, MD, Annemarie, "Birth Defects and Genetic Counseling", VA, 10-85
  • Theiler, Patricia, "A V'nam Aftermath: The Untold Story of Women and AO", Common Cause Magazine, 10 (6), Nov, Dec-84, 29-34
  • Wade, Nicholas, "Viets and Vets Fear Herbicde Hlth Effects", Science, 204, 5-25-79, p 817
  • Wientraub, Pamela, "The AO Mystery: Earth", Omin, 1983, p14
  • Wilcox, Fred A, "Waiting for An Army to Die: The Tragedy of AO", NY: Random House, 1983
  • Young, AL and Calcagni, GA, and Thalken, CE and Tremblay, JW, "The Toxicology, Environmental Fate and Human Risk of Herb Orange and its Associated Dioxin", Report OEHL TR-78-92, 10-78
  • Zumwalt Jr, Elmo, and Zumwalt III, Elmo, "My Father, My Son: Ther Story of the Zumwalts", MacMillan, 1986

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