# MONSANTO 2,4-D ESTER AERIAL WEED KILLER EMULSIFIABLE

- EPA Reg No: **524-79**
- Registrant: BAYER CROPSCIENCE, LLC
- Signal word: Caution
- Active ingredients: 2,4-dichlorophenoxyacetic acid, butyl ester (38.9%); 2,4-D, isopropyl ester (36.9%)
- Label accepted: 1967-04-18
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/000524-00079-19670418.pdf

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GENERAL INFORMATION 
This proouet is r~cornmended for controlling weeds that are dlii;wlt 
to kill such as certain perennials and I'.oody brIJ5h plants gro ... ir.~ In 
~.", - Q "" I) e ." , [iWts.of.way, pastur~s, and similar areas. It is ceo 
o;; ...... ~ signed for application after d;lrffiBn cnly With 011 and IS hl;:rdy con· 
---- centra ted for use in both airplane or ground equipment. Whc:J used 
in food crops, do not apply after edible food portlu;1 of crop has be· 
Ecn to form. Apply Monsanto 2,4·0 Ester Aerial Weed Kiiler •. 
EmulSIfiable when \l\eeds are sm.II, succuient, and gro\\ing rapidly. 
lack of moistt;re may cause less effective control. If possible. treat 
perennial weeds iust before the bloom stage. Use oil as a carrier for 
airplane applications. \'Ihen selecting oil as a callier, select Of:e re;a· 
tively iess toxic to plants (such as kerosene or diesel oil). Use 1 tv .; 
gat:ons of oil per acre de~endin6 on equipment. but in ail cases, ~se 
the same "mount of 2.4·0 per acre. Add Monsdn,o 2.4·0 Ester Aerial 
Weed Kli;er_EmlJ;slfiable to carrier in the s~raf tank while flillng, 
and mix thoroughly 
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_, ,.J Use of this pro~Jct may be gowned in cer.ain areas by local 
regulations. Airillane e~uipment should conform te Ct~A recornr;;en­
dallons. 
SUSCF.PTlBLE WEEDS 
A!lli:a!or Need Kocnla 
-Arro\\ijead .d Knot ... eed 
Buckhorn LambS(j~ar:er 
CarpetVleed r,~a;s~ elcer 
Coc~lebur f,~ ~:: a: c s 
Dandelion :,~o:n,fiZ ,iory 
Doc~ P" ... ·;·'d 
Hed;;e bindweed Pia:. !a;n 
Henblt Pr.c'" ;ettuce 
WEEDS /.lORE DIFFICU l T TO 
Blnd~ed ht~,r~ 
Budf';n~at flJrse nettle 
Biuewe~d Indl~o 
Buc'b;ush K'a,~;J:h Weld 
Canaea n"st:e lvcGweed 
Cottonwood Melle.n weed 
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Ra,; I,,'cd 
S~e;;ht:rds purse 
Si.;;jf!G, .. "e: 
Tie v:ne 
',,-tor p'oRtoiQ -
V!;ld carrot 
V.lld radi5~ 
Wi:d sweet ~otato 
Kill 
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P ... ·~'n "j ~.I.1 'II I 'W 
S::ee~ serrel 
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WARNING-Extreme care must be used when applying 2,4·0 to pre· 
vent injuring desirable plants and crops. 2,4·0 should not be used in 
susceptible crops such as coiton, tomatoes, vcgelabies, grapes, fruit 
trees, soybeans, lobacco, or beans. Do nol allow spray mist 10 drift 
onto such plant~, since even minute Quantities of spray may cause 
severe injury. Use low pressures wh"r ~flfaying to produce coarse 
sprays which are less likely to drift."fslers of 2,4·0 produce vapors 
after application which may injure susceptible plants in the vicinity. 
This is a highly concentrated formulation of 2,4·0 and therefore is 
not recommended on lawns because of possible injury to Ihe lawn 
g'asses. White clover or other let;umes are damaged by 2,4·0. 
00 not use in greenhouse~. 
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Lar!:e amounts of 2.C) In $oil may tempcrarily ir.hib;: seed gcrmir.a. 
!lOn, Never use more 2,4,0 than recommended Ke;~ cJiOtair.ers 
tP::\ closed when not in Lse. and do not reuse for other purposes, 
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~ to u>e a se;;ara:e sprayer fer cppl,cJtion of 2.4-0 herbi· 
Clces, If the same s~raler mti:;t be used for other c;op s~,ayi"g, it 
shJuld be flushed thorOJb~:' til:h water imme;!,a~eiy after use. Next, 
fill ec;uipment With \later co~tair.jnl or,e voiume of hCJse~old am· 
monia to 100 volumes 0i .... ater. and allew to stand Ill[ one day Then 
flush e~~ip;:"":~ thOl~~;;h:y inc:udlOi! ho~e~ and nOll!co, se'Jeral times 
Vtlth .... ater. 
NOTICE li~e clreC!,0"S for use given for t~':; prCGuct are 
belleied to D' r~;lab:e Ir,ury to the cro~ or ot::er u~'r.t"cc"j 
conse~uer.re) n:;j{ rr~u:t :rr.;~ \ise of th!s prv::h;ct bccQuse of 
Wea:hN condrtl )ns. ~;;~ii'2atl~·n (.r ~resence Gf aU',N iJCOdL;:!S 
or mat~ria;s in or 0:] the soil or C('l;J. or the rr:J~r..:r 0: .:5 ~5~ 
el~)fec;s or 1;:lPl,(~. r:Jr(ern;:~? Lie re~.lJl~S obtalncJ f:~:1. :::e :.:;e 
of tiils fj~(JjL(! B ... .,,~r JS:U;ih:", ail r;st\ Gf us-; C~ tJ~,d::r:~ 
ihe excius • ..,e re;r.ec-, cf the u~er or ulJ)"cr. a:ld t~e ;.~llt l f ;.3' 
L :.:1 vf '':J:;::;.V1!J C~:;:;;::':v or J1'i C!;icf Sl!;,~r. fJ~ a';y a~d 2 .. 
I::;::,·.:::'. 1.1;lJrreJ O~ C(j;;:JiC5 r~St.;!.:l~ frJ171 t~e USe c~ t:J:-:">;:t: 
0: ::~IS ;;r~jt.L: ~~ J,i be til~ pLfL:,J)~ pfl,:e PJ,~ ~y n.~ U~Ci c: 
SLyer for fliP. ~\.J,,:-,:ttf of ::,1:> p;ocuct Inv'');~l!d. T~~e Euler JI'lJ 
ad li~Crs dIe Jec;iltU ill ha .... e ticcc~e:d tfle t~lms c~ t~iS N[~;ce. 
Wil,e!1 ;;ldy be /3',PG eniy by d,;recmer.t In I't'fitln;: S'~;led by J 
Jill, a~:;iOflied ;, ,""~'.;;tatlvc of Mon~dnto, 
USDi\ Recl. No. 524-79 
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DIRECTIONS FOR USE 
SMAll GRAINS (Wheat. 8arley, Rye, Grasses) se 11 10 :'7 Pillt per acre rn grains for controll!llJU..JNf!~ 
_; . " sQuar r. I ·eel. and Wild Radish. Apply 11/ 10 1/ acre In grams 
ontro! perennl .. _ BlOdweed. Kn0tweed. Canada Thistle 10rnlng Glory. Treat wlnl r 
heat only m spm,g when weeds are sma .~Ins heading. Grain mterplanted wllh legum 
hould not be sprayed unless InJur mes can be tolerate 
real graIII,~~'1'!1:rE 
CORN-For controillng susceptible annual or perenrual weeds. JPply not more than r:J pint per acre. If crop 
IS 8 Inches or taller, aVOid applicatIOn of 2,4-0 to the growing pOint. Use drop nozzles and direct spray near 
base of the crop. Do not use after tassels appear. Different vaflelies may vary In susceptrbrlity to 2.4·0. 00 nott.::\ 
use 2,4·0 m corn grQwn for the productJon of hybfld seed. bt III It" psI i'I' I' I; "11" I II t s\E) 
ler specifiC recomme1dallons. AVOid cultrvatlng S08n afl·~· treatment. when corn may be brittle. For pre­
emergence treatment of weeds In corn .... Ith grr;l;r;d er,ulf,n~e~!. use 11~ to 21: pints per acre. wplled as a 
broadust spray ~ne to !hrr:~ days befcre crcp em~rf~s 0-: not us~ pre pmergence sprays on light. sardy soils. 
~8 ~81 tree 2.1 ~ 19 WFn ~HiI"Q lor Ihe r'-:dll"·M] ,I h) hll'J 9g~d. ® 
t;;:'\ SORGHUM-Apply 1/, pint per acre. Crop 'S '-,ost tole'ant to 2 ~-o ,~hen 4 to 12 Inches tall.&S@iere IIIJHry 
®iln, 251d' I' 2.' ~ 10 utlU~ It plan~ess j!1']!l' wil·],> te;:. 0' afkr 12 IIlches tail.W' 3 Iqb 1i1%1I1 pet IGl/H) 
o..~'lC:' II IIi. 01111'(1["1 ern: e~ ,diIM,;;:-lIIh '5 I ,.,.'QI c.;lfClfrC 'eCQ!llmenda! :s. Fe -
PASTURES, SUMMER FALLOW ANa SIMILAR NON·CROP AREAS-Apply I.' to Jil PlOts pr.r acre 
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..... ~c~ w~!2ds. 3re sr.~~i! {!r'!d grow:f1E r~pHi;f f cr IJ~~~r '.'f~'~ds c.r r::ore r,,-sistant perenn )~S U$P 2 to 3 pints prr 
acre. When USing g'ound eiiulpment WIth w.l!.er. Y.~: : ,".1;:r: t'losv';~'I~Y. a~d us~ 100 gll1cns 'Nater I:or acre 
Repelt applications may be n~cessary on cP rt)lfl 'Ii:f;cuit to·k,,1 !_,,·eri,:,]'S. such JS Can~:Ja Thlst!e. Bmdwce<1. 
Wild ~~ornln~ G:crv. and \,\hl~e Top. Re·trpat ..... h~'1 regre'Nth's v"I:I". US~ on'y · ... b"re rlrlft and v~iatdrtv WIll not 
Injure suscept'ble vpsetat1cn. Do r.ot US" on lawns Clovers cr 0"1'_" "g,J'l'CS may be illJurec by 2.J-0 especially 
during hot summer weather. A'ioid Sprayil:g gr,n':s Qr se~d g'J:;SI') w!":n ,:1 the biOSS':'llirg or P011Inat::1g stJf:c.Q) 
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MON\ANTO !!Ib __ l COMPANY 
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The recorrmended rates for specific cro!Js should be 
considered as general. Consult your state agricultural 
experiment station or extension service weed specialist 
fo~ local recommendations regarding dosages, method of 
appiication and timing of sprays. 
Do not spray on windy days. 
Keep out of any body of water. Fish may be killed. 
Rinse equipment and containers, and dispose of liquid 
wastes in a pit in non-crop lands located away from 
water supplies. 
Do not use in any manner other than reco~nended on the 
label to avoid possible crop injury or residues at harvest. 
consult your state agricultural experiment station or 
extension service weed specialist for 
Use drop nozzles when crop is over 10 inches high. 
Do not use when 
Do not apply during flowering or early dough stage. 
Do not graze treated areas by dairy animals within 7 days 
after treat:rtent. 
READ "WARNING NOTICE" BEFORE BUYING OR USING. 
IF NOTICE TERMS ARE NOT ACCEPTABLE, RETU~~ AT ONCE UNOPENED. 
Do not contaminate water used for irrigation, domestic or spray 
purposes. 
In case of fire, use water spray, foam, dry chemical or C02' 
@ Harmful if swallowed. 
@ Kee!J out of reach of children. 
@ STORE AgOVE S°F'. TO KEEP FROM FREE?;ING. 
If ~11ow0d to freeze, war~ to 70°F. and rpdissolve before USIng 
by rolLina or shaking the container. 
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GENERAL INFORMATION 
: ~: r low Volatile Estel Brusn K,lIer IS r,"'lulaied to control 
····.l'n herbJceou~ anll ",lody plants resrstant to 2.4·0. groNln~ 
'" r,!'&eland~. co .,ghtsol-way. !en~e ro~s. rndusll.t.aLaLeas 
,II .. : .. " illaes. lIld pastures II rs desrgned lor lpplrcaliQIl after 
• './ .... n',th I?!thpr ..... alE'r "r 011 Dc not ul)€, 10 any mannpr other 
illan 'ecommended on the rabe; 
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PJlsor ivy 
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WARNING NOTICE 
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WARNING -' '!r~mt calt Illust ~e used · ... hen apprYlnR 24) r 
10 ~Ievenl rn Jlrng desrrable pian's and crol,$ 2.4.? T should no! 
be used in sc>scepllble ClOPS such lS cotton, tomaloes ver,eUb!,,) 
glapes. "Utt tlees. soybeans. I,·lacc(,. 01 beans. Do nut ano~ 
'~Iay IllISt to dill! on 10 such plao's. since even mmule Quantities 
01 sp'ay may cause seve Ie InJulY Use 1o.., plessules when splay 
Ing to pr0duce 'oalse splays ..,h,ch ale less likely to dl,ft Do C,)t 
splay on wmdy days Thrs pster nay produce vapols a!tel dpplt 
calirJr V¥hh.h fnl,?,ht mJUle SU5Ct'v:ble pia 'Its In the vIcinity 
Oc; not use on re ... ~y seedej la'l'tns Creq,ln; ~'Iasses, su.:.r as 
t!ent, 3re InJurc'l t, :,~: T an~ shoulc no! be sprJ)~rj v' ',:\!. 
s~,_,t appi·"at!Lns art made l;n ,t'ol't'i.h and iocahleri tu rl ;u'r 
~.1r tj(l lQltrate1 ..... n;\e (!~Ij~r '! ··~h(" lf~tJP1["~ J'e ,·n .. ~~,,~ 
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FOLIAGE SPRAY f .• ~, • - " 
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M(j'l~ANfO COMPANY