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e-CFR Data is current as of November 19, 2009


Title 40: Protection of Environment
PART 180—TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD
Subpart D—Exemptions From Tolerances

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§ 180.920   Inert ingredients used pre-harvest; exemptions from the requirement of a tolerance.

The following materials are exempted from the requirement of a tolerance when used in accordance with good agricultural practice as inert (or occasionally active) ingredients in pesticide formulations applied to growing crops only:

Inert ingredientsLimitsUses
AcetophenoneAttractant
Adenosine (CAS Reg. No. 58–61–7)Maximum of 0.5% of formulationSynergist
Alder barkSeed germination stimulator
α-Alkyl (minimum C6linear, branched, saturated and/or unsaturated)-ω-hydroxypolyoxyethylene polymer with or without polyoxypropylene, mixture of di- and monohydrogen phosphate esters and the corresponding ammonium, calcium, magnesium, monoethanolamine, potassium, sodium, and zinc salts of the phosphate esters; minimum oxyethylene content is 2 moles; minimum oxypropylene content is 0 moles (CAS Reg. Nos. 9046–01–9, 37280–82–3, 39464–66–9, 42612–52–2, 50643–20–4, 52019–36–0, 58318–92–6, 60267–55–2, 61837–79–4, 67711–84–6, 68070–99–5, 68071–35–2, 68071–17–0, 68130–47–2, 68186–37–8, 68186–36–7, 68311–02–4, 68425–73–0, 68458–48–0, 68511–37–5, 68610–65–1, 68585–36–4, 68649–29–6, 68815–11–2, 68908–64–5, 68891–13–4, 73038–25–2, 78330–24–2, 108818–88–8, 154518–39–5, 317833–96–8, 873662–29–4, 936100–29–7, 936100–30–0)Not to exceed 30% of pesticide formulation.Surfactants, related adjuvants of surfactants
N-alkyl (C8-C18) primary amines and their acetate salts where the alkyl group is linear and may be saturated and/or unsaturated (CAS Reg. Nos. 61790–57–6, 61790–58–7, 61790–59–8, 61790–60–1, 61788–46–3, 61790–33–8, 68155–38–4)Concentration in formulated end-use products not to exceed 10% by weight in herbicide products, 4% by weight in insecticide products, and 4% by weight in fungicide products.Surfactants, related adjuvants of surfactants
N,N -Bis-α-ethyl-ω-hydroxypoly(oxy-1,2-ethanediyl) C8-C18saturated and unsaturated alkylamines; the poly(oxy-1,2-ethanediyl) content is 2–60 moles (CAS Reg. Nos. 10213–78–2, 25307–17–9, 26635–92–7, 26635–93–8, 288259–52–9, 58253–49–9, 61790–82–7, 61791–14–8, 61791–24–0, 61791–26–2, 61791–31–9, 61791–44–4, 68155–33–9, 68155–39–5, 68155–40–8,70955–14–5, 73246–96–5)Not to exceed 25% in herbicide formulations and 10% in insecticide and fungicide formulationsSurfactants, related adjuvants of surfactants
N,N –Bis-α-ethyl-ω-hydroxypoly(oxy-1,2-ethanediyl/oxy(methyl-1,2-ethanediyl) C8-C18saturated and unsaturated alkylamines; the poly(oxy-1,2-ethanediyl/oxy(methyl-1,2-ethanediyl) content is 2–60 moles (CAS Reg. Nos. 68213–26–3, 68153–97–9, 75601–76–2)Not to exceed 25% in herbicide formulations and 10% in insecticide and fungicide formulationsSurfactants, related adjuvants of surfactants
Aluminum sulfateSafener adjuvant
Ammonium chloride (CAS Reg. No. 12125–02–9)Carrier/nutrient
Ammonium nitrate (CAS Reg. No. 6484–52–2)Adjuvant/ intensifier for herbicides
Ammonium polyphosphate (CAS Reg. No. 68333–79–9)Sequestrant, buffer, or surfactant
Barium sulfateCarrier
1,2-Benzisothiazolin-3-oneNot more than 0.1% of formulation. Not more than 0.02 lb to be applied per acrePreservative/stabilizer
Boric acidSequestrant
Buffalo gourd root powder ( Cucurbita foetidissima root powder); or, Zucchini juice ( Cucurbita pepo juice) or Hawkesbury melon Citrullus lanatus .No more than 2.5 lbs/acre/season (3.4 gm/acre/season of Cucurbitacin)Gustatory stimulant
Butyl stearateDefoamer
γ-ButyrolactoneSolvent
C.I. Pigment Blue #15 (CAS Reg. No. 147–14–8; containing no more than 50 ppm polychlorinated biphenyls (PCBs))For seed treament use onlyDye, coloring agent
C.I. Pigment Green #7 (CAS Reg. No. 1328–53–6; containing no more than 50 ppm polychlorinated biphenyls (PCBs))For seed treatment use onlyDye, coloring agent
C.I. Pigment Violet #23 (CAS Reg. No. 6358–30–1; containing no more than 20 ppb of polychlorinated dibenzo- p -dioxins and/or polychlorinated dibenzofurans)For seed treatment use onlyDye, coloring agent
Camphor (CAS Reg. No. 76–22–2)Not more than 5% weight to weight (w/w) of pesticide formulationsDeodorant, melting point adjustment
Carbon Black (CAS Reg. No. 1333–86–4)For seed treatment use onlyColorant
Carbonic acid, dipotassium salt (CAS Reg. No. 584–08–7)Buffering agent
Carbonic acid, dipotassium salt, trihydrate (CAS Reg. No. 18662–52–7)Buffering agent
Carous chloride10 ppm in formulationTagging agent
Carrageenan, conforming to 21 CFR 172.260Not more than 0.15% of pesticide formulationThickener and stabilizer for pesticide formulations applied to seeds before planting
ChlorobenzeneContains not more than 1% impurities. Not for use after edible parts of plant begin to form. Do not graze livestock in treated areas within 48 hours after applicationSolvent, cosolvent
5-Chloro-2-methyl-4-isothiazolin-3-one (in combination with 2-methyl-4-isothiazolin-3-one)Not more than 0.0022% (22.5 ppm) in the formulation; 0.00022% (or 2.25 ppm) in the final solution applied to growing cropsPreservative
Cis-isomer of 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride (CAS Reg. No. 51229–78–8)Maximum of 0.14% by weight of formulationPreservative
Copper naphthenateNot more than 2.5% of formulation; application limited to before edible portions of plants begin to formMercaptan scavenger in technical pesticide
CyclohexaneSolvent, cosolvent
Cyclohexanone    Do.
Cysteine (CAS Reg. No. 52–90–4)Maximum of 0.5% of formulationSynergist
D&C Green No. 6Dye
D&C Red No. 17, technical gradeDye
D&C Red No. 33 (CAS Reg. No. 3567–66–6); meeting the specifications listed in 21 CFR 74.1333Dye
D&C Violet No. 2, technical gradeNot more than 0.005% of pesticide formulationDye
Decanamide, N,N-dimethyl (CAS Reg. No. 14433–76–2)Emulsifier, solvent, cosolvent
n -Decyl alcoholDye
Diammonium phosphate (CAS Reg. No. 7783–28–0)Buffer, surfactant
DiethanolamineStabilizer, inhibitor for formulations used before crop emerges from soil
Diethanolamine salts of alkyl (C8-C24) benzenesulfonic acid (CAS Reg. Nos. 26545–53–9 and 68953–97–9)Not to exceed 7% of pesticide formulationSurfactants, related adjuvants of surfactants
Diethylene glycolDeactivator, adjuvant for formulations used before crop emerges from soil
Diethylene glycol and diethylene glycol monobutyl, monoethyl, and monomethyl ethersDeactivator for formulations used before crop emerges from soil, stabilizer
Dimethylaminopropylamine, isopropylamine, ethanolamine, and triethanolamine salts of alkyl (C8-C24) benzenesulfonic acid (CAS Reg. Nos. 26264–05–1, 27323–41–7, 55470–69–4, 68411–31–4, 68584–24–7, 68584–25–8, 68648–81–7, 68648–96–4, 68649–00–3, 68910–32–7, 68953–93–5, 90194–42–6, 90194–53–9, 90218–35–2, 157966–96–6, 319926–68–6, 877677–48–0, 1093628–27–3)Surfactants, related adjuvants of surfactants
3,6-Dimethyl-4-octyn-3,6-diolIn pesticide formulations, for soil prior to planting or to plants before edible parts formSurfactants, related adjuvants of surfactants
Dimethyl sulfoxideSolvent or cosolvent for formulations used before crop emerges from soil or prior to formation of edible parts of food plants
Dipotassium hydrogen phosphateBuffering agent
Dipropylene glycol monomethyl etherStabilizer
Douglas-fir bark, groundSolid diluent, carrier
Dysprosium chloride10 ppm in formulationTagging agent
1,2-ethanediamine, N , N , N ', N '-tetramethyl-, polymer with 1,1'-oxybis[2-chloroethane] (CAS Reg. No. 31075–24–8)For use in pesticide formulations applied to cotton or wheat onlyAdjuvant or water conditioner
(S,S)–Ethylenediaminedisuccinic acid (CAS Reg. No. 20846–91–7)Sequestrant or chelating agent
Ethylene glycolAntifreeze, deactivator for all pesticides used before crop emerges from soil and in herbicides before or after crop emerges
Ethylene glycol monobutyl ether
2-EthylhexanolCosolvent, defoamer, solvent for all pesticides used before crop emerges from soil and in herbicides before or after crop emerges
Europic chloride10 ppm in formulationTagging agent
FD&C Blue No. 1, methyl-polyethylene glycol derivative (CAS Reg. No. 9079–34–9)For seed treatment use only; Number average molecular weight (in amu) is greater than 1,000; Not to exceed 5% of the formulated pesticide productDye, coloring agent
FD&C Blue No. 1, polyethylene glycol derivative (CAS Reg. No. 9079–33–8)For seed treatment use only; Number average molecular weight (in amu) is greater than 1,000; Not to exceed 5% of the formulated pesticide productDye, coloring agent
FD&C Red No. 40 (CAS Reg. No. 25956–17–6)For seed treatment use only. Not to exceed 2% by weight of the pesticide formulationDye, coloring agent
Ferric chlorideNot greater than 2% of suspending, dispersing agent, pesticide formulation
FluoroapatiteSolid diluent, carrier
Folic acid (CAS Reg. No. 59–30–3)Maximum of 0.5% of formulationSynergist
Gluconic acid (and sodium salt)Sequestrant
l -Glutamic acid (C5H9NO4;CAS Reg. No. 56–86–0)Seet treatment use onlyPlant nutrient
[alpha]-D-glucopyranoside, 2-ethylhexyl 6-O-[alpha]-D glucopyranosyl- (CAS Reg. No. 330980–61–5)Surfactant
[alpha]-D-glucopyranoside, 2-ethylhexyl (CAS Reg. No. 125590–73–0)Surfactant
Glutamine (CAS Reg. No. 56–85–9)Maximum of 0.5% of formulationSynergist
Glycerol—propylene oxide polymer (CAS Reg. No. 25791-96-2)Component in water-soluble film
Glyceryl triacetateStabilizer
Glyceryl tris-12-hydroxystearateFlow control agent
GraphiteTreatment aid for seeds
HexamethylenetetramineStabilizer for carriers in solid pesticide formulations
2-Hydroxy-4- n -octoxybenzophenone (CAS Reg. No. 1843–05–6)Not more than 0.2 pt of pesticide formulationLight stabilizer
Hydroxypropyl guar gumThickener
Isobornyl acetateSolvent
Isobutyl alcohol    Do.
Isobutylene-butene copolymersFor soil application onlyBinder
IsooctadecanolNot more than 2% of pesticide formulationDefoaming agent
Lanthanum chloride10 ppm in formulationTagging agent.
Magnesium nitrate (in combination with 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one)NonePreservation
Maleic acid and maleic anhydrideFor pesticide formulations applied to apples with a minimum preharvest interval of 21 daysStabilizer
Manganese carbonatePlant nutrient
Mesityl oxideNot for use after edible parts of plant begin to form. Do not graze livestock in treated areas within 48 hours after applicationSolvent, cosolvent
Methionine (CAS Reg. No. 59–51–8)Maximum of 0.5% of formulationSynergist
Methyl alcohol    Do.
Methyl ethyl ketoneSurfactant
Methyl p- hydroxybenzoatePreservative for formulations
Methyl isobutyl ketoneSolvent, cosolvent
2-Methyl-4-isothiazolin-3-one (in combination with 5-chloro-2-methyl-4-isothiazolin-3-one)Not more than 0.0022% (22.5 ppm) in the formulation; 0.00022% (or 2.25 ppm) in the final solution applied to growing cropsPreservative
Mono-, di-, and trimethylnapthalenesulfonic acids and napthalenesulfonic acids formaldehyde condensates, ammonium and sodium salts (CAS Reg. Nos. 9008–63–3, 9069–80–1, 9084–06–4, 36290–04–7, 91078–68–1, 141959–43–5, 68425–94–5)Surfactants, related adjuvants of surfactants
Methyl oleateSurfactant
2-Methyl-2,4-pentanediolSolvent for formulations used before crop emerges from soil
Methyl poly(oxyethylene)C8–C18alkylammonium chlorides where the poly(oxyethylene) content is n=2–15 and where C8–C18alkyl is linear and may be saturated or unsaturated (CAS Reg. Nos. 3010–24–0, 18448–65–2, 70750–47–9, 22340–01–8, 67784–77–4, 64755–05–1, 61791–10–4, 28724–32–5, 28880–55–9, 68187–69–9, 68607–27–2, 60687–90–3Concentration in formulated end use products not to exceed 10% by weight in herbicide products and 5% by weight in all other pesticide productsSurfactants, related adjuvants of surfactants
N -Methylpyrrolidone (CAS Reg. No. 872-504)Solvent, cosolvent
Mixed phytosterols (consisting of campesterol, sitosterol and stigmasterol, with minor amounts of associated plant sterols) derived from edible vegetable oilsSurfactant
Mono- and bis-(1 H , 1 H , 2 H , 2 H -perfluoroalkyl) phosphates where the alkyl group is even numbered and in the C6-C12rangeNot more than 0.5% of pesticide formulation. Expires February 9, 2008Surfactant, related adjvants of surfactants
Mono- and dialkyl (C8-C18) methylated ammonium chloride compounds, where the alkyl group(s) (C8-C18) are derived from coconut, cottonseed, soya, tallow, or hogfat fatty acidsSurfactants, related adjuvants of surfactants
Morpholine 4-C6-12Acyl Derivatives (CAS Reg. No. 887947–29–7)As a solvent
Nicotinamide (CAS Reg. No. 98–92–0)Maximum of 0.5% of formulationSynergist
α-( p -Nonylphenyl)-ω-hydroxypoly(oxyethylene); produced by the condensation of 1 mole of nonylphenol (nonyl group is a propylene trimer isomer) with an average of 4-14 or 30-100 moles of ethylene oxide; if a blend of products is used, the average number of moles of ethylene oxide reacted to produce any product that is a component of the blend shall be in the range 4-14 or 30-100Surfactant
Octanamide, N,N-dimethyl (CAS Reg. No. 1118–92–9)Emulsifier, solvent, cosolvent
n- Octyl alcoholSolvent, cosolvent
α-Oleoyl-ω-(oleoyloxy) poly(oxyethylene) derived from α-hydro-ω-hydroxypoly(oxyethylene) (molecular weight 600 amu)Component of defoamers
Oxo-decyl acetate (CAS reg. No. 108419–33–6)Solvent
Oxo-heptyl acetate (CAS Reg. No. 90438–79–2)Solvent
Oxo-hexyl acetate (CAS Reg. No. 88230–35–7)Solvent
Oxo-nonyl acetate (CAS Reg. No. 108419–34–7)Solvent
Oxo-octyl acetate (CAS Reg. No. 108419–32–5)Solvent
Oxo-tridecyl acetate (CAS Reg. No. 108419–35–8)Solvent
PhenolSolvent, cosolvent
Phenolsulfonic acid—formaldehyde—urea condensate and its sodium saltApplied to growing plants onlyDispersant surfactant
(Phthalocyaninato (2)) copper; (C.I. pigment blue No. 15)When used as a colorant in low-density plastic filmsColoring agent, pigment
Pigment red 48For seed treatment use onlyDye
α-PineneNot more than 2% of formulation by weightStabilizer
Poly(oxyethylene) adducts of mixed phytosterols (such sterols to consist of campesterol, stigmasterol and sitosterol with minor amounts of associated plant sterols) derived from edible vegetable oils; polyoxyethylene content averaging 5-26 molesSurfactant, related adjuvants
Polyoxyethylene polyoxypropylene mono(di-sec-butylphenyl) ether (CAS Reg. No. 69029–39–6)Limited to herbicide formulations only, and to no more than 30% by weight in herbicide formulations intended for application to turfSurfactants, related adjuvants of surfactants
Poly(oxyethylene) (5) sorbitan monooleateSurfactants, related adjuvants of surfactants
Polysorbate 60, conforming to 21 CFR 172.836Surfactant
Potassium dihydrogen phosphateBuffering agent
2-Propanamine, compound with α-phosphono-ω-butoxypoly (oxy-1,2-ethanediyl) (2:1) (CAS Reg. No. 431040–31–2)Not more than 15% in the formulated productSurfactant
2-Propanamine, compounds with polyethylene glycol dihydrogen phosphate C8– 10- alkyl ether (2:1) (CAS Reg. No. 431062–72–5)Not more than 15% in the formulated productSurfactant
Propylene glycol monomethyl etherSolvent
Pyridoxine (CAS Reg. No. 65–23–6)Maximum of 0.5% of formulationSynergist
Rosin, dark wood (as defined in 21 CFR 178.3870(a)(1)(v))Surfactants, related adjuvants of surfactants
Rosin, gum    Do.
Rosin, tall oil    Do.
Scandium chloride10 ppm in formulationTagging agent
Sodium bisulfate (CAS Reg. No. 7681–38–1)Acidifying/buffering agent
Sodium 1,4-dicyclohexyl sulfosuccinateSurfactants, related adjuvants of surfactants
Sodium 1,4-dihexyl sulfosuccinate (CAS Reg. No. 3006–15–3)Surfactants, related adjuvants of surfactants
Sodium dihydrogen phosphate (CAS Reg. No. 7558–80–7) conforming to 21 CFR 182.6778Buffering agent
Sodium 1,4-diisobutyl sulfosuccinate (CAS Reg. No. 127–39–9)Surfactants, related adjuvants of surfactants
Sodium 1,4-dipentyl sulfosuccinate (CAS Reg. No. 922–80–5)Surfactants, related adjuvants of surfactants
Sodium metaborateSequestrant
Sodium molybdatePlant nutrient
Sodium nitrateSolid diluent
Sodium nitriteNot more than 3% of pesticide formulationStabilizer, inhibitor.
Sodium o -phenylphenateNot more than 0.1% of pesticide formulationPreservative for formulation
Sodium salt of the insoluble fraction of rosinSurfactants, related adjuvants of surfactants
Sodium salts of N-alkyl (C8-C18)-beta-iminodipropionic acid where the C8-C18 is linear and may be saturated and/or unsaturated (CAS Reg. Nos. 3655-00-3, 61791-56-8, 14960-06-6, 26256-79-1, 90170-43-7, 91696-17-2, 97862-48-1)Concentration in formulated end-use products not to exceed 30% by weight in pesticide formulationsSurfactants, related adjuvants of surfactants
Sodium tetraborateNot more than 2% of pesticide formulationBuffering agent; corrosion inhibitor
TanninDispersing agent
Tertiary butylhydroquinoneAntioxidant
1-Tetradecanamine, N,N -dimethyl-, N -oxide (CAS Reg. No. 3332–27–2)Component in water-soluble film
N,N,N ′,N″-Tetrakis-(2-hydroxypropyl) ethylenediamine (CAS Reg. No. 102–60–3)Concentration in formulated end-use products not to exceed 20% by weight in pesticide formulationsStabilizer for formulations
2,4,7,9-Tetramethyl-5-decyne 4,7-diolIn pesticide formulations, for application to soil prior to planting or to plants before edible parts formSurfactants, related adjuvants of surfactants
Tetrapotassium pyrophosphate (CAS Reg. No. 7320–345)Not to exceed 10% of formulationSequestrant, anticaking agent, conditioning agent
Titanium dioxide (CAS Reg. No. 13463–67–7)Pigment/coloring agent in plastic bags used to wrap growing banana (preharvest), colorant on seeds for planting
Toluenesulfonic acid and its ammonium, calcium, magnesium, potassium, sodium, and zinc saltsSolvent, cosolvent
TriethanolamineStabilizer, inhibitor for formulations used before crop emerges from soil
Triethanolamine (CAS Reg. No. 102–71–6)Stabilizer, inhibitor
Triethylene glycolDeactivator
Triethyl phosphateStabilizer for formulations used before crop emerges from soil
Trimethylolpropane (CAS Reg. No. 77–99–6)Not to exceed 15% by weight of the filmComponent in water-soluble film
α-[2,4,6-Tris[1-(phenyl)ethyl]phenyl]-ω-hydroxy poly(oxyethylene), the poly(oxyethylene) content averages 4-150 moles)Not more than 15% of the formulationSurfactant.
α-[2,4,6-Tris[1-(phenyl)ethyl]phenyl]-ω-hydroxy poly(oxyethylene); mixture of monohydrogen and dihydrogen phosphate esters and the corresponding ammonium, calcium, magnesium, potassium, sodium, and zinc salts, the poly(oxyethylene) content averages 4-150 moles)Not more than 15% of the formulation    Do.
α-[2,4,6-Tris[1-(phenyl)ethyl]phenyl]-ω-hydroxy poly(oxyethylene) sulfate, and the corresponding ammonium, calcium, magnesium, potassium, sodium, and zinc salts, the poly(oxyethylene) content averages 4-150 molesNot more than 15% of the pesticide formulation    Do.
Tryptophan (CAS Reg. No. 73–22–3)Maximum of 0.5% of formulationSynergist
Valeric acid, normalNot more than 2% in pesticide formulationsStenching agent or odorant
XyleneSolvent, cosolvent
Xylenesulfonic acid its ammonium calcium, magnesium, potassium, sodium, and zinc saltsSurfactants, related adjuvants of surfactants
Yucca extract from Yucca schidigeraWetting agent
Ytterbium chloride10 ppm in formulationTagging agent
Yttrium chloride10 ppm in formulationTagging agent
Zinc orthophosphatePlant nutrient and safener
Zinc stearate, conforming to 21 CFR 182.5994 and 582.5994Flow control agent

[69 FR 23124, Apr. 28, 2004, as amended at 70 FR 7900, Feb. 16, 2005; 70 FR 31369, June 1, 2005; 70 FR 41619, July 20, 2005; 70 FR 54280, Sept. 14, 2005; 70 FR 55296, Sept. 21, 2005; 70 FR 55733, Sept. 23, 2005; 71 FR 14415, Mar. 22, 2006; 71 FR 18642, Apr. 12, 2006; 71 FR 30811, May 31, 2006; 71 FR 43667, Aug. 2, 2006; 71 FR 45408, 45411, 45421, Aug. 9, 2006; 72 FR 45656, Aug. 15, 2007; 73 FR 67400, Nov. 14, 2008; 74 FR 12620, Mar. 25, 2009; 74 FR 20887, May 6, 2009; 74 FR 28623, June 17, 2009; 74 FR 32437, July 8, 2009; 74 FR 37570, 37577, 37584, 37590, July 29, 2009; 74 FR 38935, 38952, 38955, 38962, Aug. 5, 2009; 74 FR 40513, Aug. 12, 2009; 74 FR 41798, Aug. 19, 2009; 74 FR 51485, Oct. 7, 2009]

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