Electronic Code of Federal Regulations:

Residues of 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 or to raw agricultural commodities after harvest:

Inert ingredients	Limits	Uses
Acetic acid		Catalyst
Acetic anhydride		Solvent, cosolvent
Acetone		Do.
Alkanoic and alkenoic acids, mono- and diesters of α-hydro-ω-hydroxypoly (oxyethylene) with molecular weight (in amu) range of 200 to 6,000		Emulsifiers
Alkyl (C₈-C₂₄) benzenesulfonic acid and its ammonium, calcium, magnesium, potassium, sodium, and zinc salts		Surfactants, related adjuvants of surfactants
C₁₀-C₁₈-Alkyl dimethyl amine oxides (CAS Reg. Nos. 1643–20–5, 2571–88–2, 2605–79–0, 3332–27–2, 61788–90–7, 68955–55–5, 70592–80–2, 7128–91–8, 85408–48–6, and 85408–49–7)	15% by weight in pesticide formulation	Surfactant
α-Alkyl(C₆–C₁₅)-ω-hydroxypoly(oxyethylene)sulfate, and its ammonium, calcium, magnesium, potassium, sodium, and zinc salts, poly(oxyethylene) content averages 2–4 moles (CAS Reg. Nos. 3088–31–1, 9004–82–4, 9004–84–6, 13150–00–0, 25446–78–0, 26183–44–8, 32612–48–9, 50602–06–7, 62755–21–9, 68424–50–0, 68511–39–7, 68585–34–2, 68611–55–2, 68891–38–3, 73665–22–2)	Not to exceed 30% of pesticide formulation	Surfactants, related adjuvants of surfactants
α-alkyl (C₁₂-C₁₅)-ω-hydroxypoly (oxypropylene) poly (oxyethylene) copolymers (where the poly (oxypropylene) content is 3–60 moles and the poly (oxyethylene) content is 5–80 moles)	Not more than 20% of pesticide formulations	Surfactant
α-alkyl-ω-hydroxypoly (oxypropylene) and/or poly (oxyethylene) polymers where the alkyl chain contains a minimum of six carbons (CAS Reg. Nos. 9002–92–0, 9004–95–9, 9005–00–9, 26183–52–8, 34398–01–1, 52292–17–8, 66455–14–9, 66455–15–0, 68002–97–1, 68131–39–5, 68131–40–8, 68154–96–1, 68213–23–0, 68439–45–2, 68439–46–3, 68526–94–3, 68439–50–9, 68439–49–6, 68551–12–2, 68951–67–7, 71243–46–4, 97043–91–9, 9043–30–5, 60828–78–6, 61827–42–7, 24938–91–8, 68439–54–3, 69011–36–5, 78330–20–8, 78330–21–9, 106232–83–1, 127036–24–2, 160875–66–1, 9004–98–2, 68920–66–1, 61804–34–0, 61791–28–4, 71060–57–6, 26468–86–0, 31726–34–8, 52609–19–5, 61791–20–6, 68155–01–1, 69013–19–0, 69364–63–2, 70879–83–3, 78330–19–5, 97953–22–5, 157627–86–6, 34398–05–5, 72905–87–4, 84133–50–6, 61702–78–1, 27306–79–2, 169107–21–5, 61791–13–7, 39587–22–9, 85422–93–1; 68154–98–3, 61725–89–1, 68002–96–0, 68154–97–2, 68439–51–0, 68551–13–3, 68603–25–8, 68937–66–6, 68987–81–5, 69227–21–0, 70750–27–5, 103818–93–5, 166736–08–9, 120313–48–6, 68213–24–1, 68458–88–8, 68551–14–4, 69013–18–9, 69227–22–1, 72854–13–8, 73049–34–0, 78330–23–1, 37311–02–7, 64366–70–7, 37251–67–5, 9087–53–0, 196823–11–7, 57679–21–7, 111905–54–5, 61827–84–7, 172588–43–1)		Surfactants, related adjuvants of surfactants
Alkyl (C₈-C₁₈) sulfate and its ammonium, calcium, isopropylamine, magnesium, potassium, sodium, and zinc salts		Surfactants.
Aluminum hydroxide		Diluent, carrier
Aluminum oxide		Diluent
Aluminum stearate		Surfactant
Ammonium bicarbonate		Surfactant, suspending agent, dispersing agent
Ammonium carbamate		Synergist in aluminum phosphide formulations
Ammonium chloride		Intensifier when used with ammonium nitrate as a dessicant or defoliant. Fire suppressant in aluminum phosphide and magnesium phosphide formulations
Ammonium hydroxide		Solvent, cosolvent, neutralizer, solubilizing agent
Ammonium stearate		Surfactant
Ammonium sulfate		Solid diluent, carrier
Ammonium thiosulfate		Intensifier when used with ammonium nitrate as desiccant or defoliant
Amyl acetate		Solvent, cosolvent, attractant
Ascorbyl palmitate		Preservative
Attapulgite-type clay		Solid diluent, carrier, thickener
Bacillus thuringiensis fermentation solids and/or solubles		Diluent, carrier
Bentonite		Solid diluent, carrier
Benzoic acid		Preservative for formulation
Bicyclo[3.1.1]hept–2–ene, 2,6,6–trimethyl–, homopolymer (Alpha-pinene, homopolymer )(CAS Reg. No. 25766–18–1)		Surfactants, related adjuvants of surfactants
Bicyclo[3.1.1]heptane, 6,6–dimethyl–2–methylene–, homopolymer (Beta-pinene, homopolymer) (CAS Reg. No. 25719–60–2)		Surfactants, related adjuvants of surfactants
Bicyclo[3.1.1]hept–2–ene, 2,6,6–trimethyl–, polymer with 6,6– dimethyl–2– methylenebicyclo [3.1.1] heptane (Copolymer of alpha- and beta-pinene) (CAS Reg. No. 31393–98–3)		Surfactants, related adjuvants of surfactants
2-Bromo-2-nitro-1,3-propanediol (CAS Reg. No. 52–51–7)	0.04% or less by weight of the total pesticide formulation	In-can preservative
Butane		Propellant
n -Butanol (CAS Reg. No. 71–36–3)		Solvent, cosolvent
Butylated hydroxyanisole		Antioxidant
Butylated hydroxytoluene		Do.
Calcareous shale		Solid diluent carrier
Calcite		Do.
Calcium carbonate		Do.
Calcium chloride		Stabilizer
Calcium phosphate		Solid diluent, carrier
Calcium hydroxide		Do.
Calcium hypochlorite		Sanitizing and bleaching agent
Calcium lactate pentahydrate (CAS Reg. No. 5743–47–5)		Nutrient, stabilizer
Calcium oxide		Solid diluent, carrier
Calcium salt of partially dimerized rosin, conforming to 21 CFR 172.210		Coating agent
Calcium silicate		Solid diluent, carrier
Calcium stearate		Do.
Carrageenan, conforming to 21 CFR 172.620	Minimum molecular weight (in amu): 100,000	Thickener
Cetyl alcohol (CAS Reg. No. 36653–82–4)	Not more than 5.0% of pesticide formulation	Evaporation retardant
Charcoal, activated	Meets specifications in the Food Chemical Codex	Carrier
Coconut shells		Solid diluent and carrier
Cod liver oil		Solvent, cosolvent
Croscarmellose sodium (CAS Reg. No. 74811–65–7)		Disintegrant, solid diluent, carrier, and thickener
Dialkyl (C₈-C₁₈) dimethyl ammonium chloride	Not more than 0.2% in silica, hydrated silica	Flocculating agent in the manufacture of silica, hydrated silica for use as a solid diluent, carrier
Diatomite (diatomaceous earth)		Solid diluent carrier
Diethylene glycol abietate		Surfactants, related adjuvants of surfactants
1,1-Difluoroethane (CAS Reg. No. 75–37–6)	For aerosol pesticide formulations used for insect control in food- and feed-handling establishments and animals	Aerosol propellant
1,2-Dihydro-6-ethoxy-2,2,4-trimethylquinolene	Not more than 0.02% of pesticide formulation	Antioxidant
Dimethyl ether (methane, oxybis-) (CAS Reg. No. 115–10–6)		Propellant
3,6-Dimethyl-4-octyn-3,6-diol	Not more than 2.5% of pesticide formulation	Surfactants, related adjuvants of surfactants
Dipropylene glycol		Solvent, cosolvent
Disodium phosphate		Anticaking agent, conditioning agent
Disodium zinc ethylenediaminetetraacetate dihydride		Sequestrant
Dolomite		Solid diluent, carrier
Epoxidized linseed oil		Surfactants, related adjuvants of surfactants
Epoxidized soybean oil		Do.
Ethyl acetate		Solvent, cosolvent
Ethyl alcohol		Do.
Ethyl esters of fatty acids derived from edible fats and oils		Solvent, cosolvent
Ethyl maltol (CAS Reg. No.4940–11–8)	Not more than 0.2 % of the pesticide formulation	Odor masking agent
Ethylene oxide adducts of 2,4,7,9-tetramethyl-5-decynediol, the ethylene oxide content averages 3.5, 10 or 30 moles (CAS Reg. No. 9014–85–1)		Surfactants, related adjuvants of surfactants
Ethylenediaminetetraacetic acid	3% of pesticide formulation	Sequestrant
Ethylenediaminetetraacetic acid, tetrasodium salt	5% of pesticide formulation	Sequestrant
2-Ethyl-1-hexanol	Not more than 2.5% of pesticide formulation	Solvent, adjuvant of surfactants
Fatty acids, conforming to 21 CFR 172.860		Binder, defoaming agent, lubricant
FD&C Blue No. 1	Not more than 0.2% of pesticide formulation	Dye
FD&C Red No. 40 (CAS Reg. No. 25956–17–6) conforming to 21 CFR 74.340	Not to exceed 0.002% by weight of pesticide formulation	Dye, coloring agent
Ferric Citrate (CAS Reg. No. 2338–05–8)		Stabilizer
Ferric sulfate		Solid diluent, carrier
Furcelleran		Thickener
D-glucopyranose, oligomeric, C_10–16-alkyl glycosides (CAS Reg. No. 110615–47–9)		Surfactant
Glycerides, edible fats and oils derived from plants and animals, reaction products with sucrose (CAS Reg. Nos. 100403–38–1, 100403–41–6, 100403–39–2, 100403–40–5)		Emulsifier, dispersing agent
Glycerol mono-, di-, and triacetate		Solvent, cosolvent
Glyceryl monostearate		Emulsifier
Granite		Do.
Graphite		Solid diluent, carrier
Gum arabic (acacia)		Surfactant, suspending agent, dispersing agent
Gypsum		Solid diluent, carrier
Hexamethylenetetramine	For use in citrus washing solutions only at not more than 1%	Preservative
3-hexen-1-ol, (3Z)- (CAS Reg. No. 928-96-1)	Not more than 0.4% of the pesticide formulation	Odorant, alerting agent
n -Hexyl alcohol (CAS Reg. No. 111–27–3)		Solvent, cosolvent
Hydrochloric acid		Solvent, neutralizer
Hydroxyethylidine diphosphonic acid (HEDP) (CAS Reg. No. 2809–21–4)	For use in antimicrobial pesticide formulations at not more than 1 percent	Stabilizer, chelator
Iron oxide		Solid diluent, carrier
Isopropyl myristate (CAS Reg. No. 110–27–0)		Solvent
Kaolinite-type clay		Solid diluent, carrier
Lactic acid		Solvent
Lactic acid, 2-ethylhexyl ester (CAS Reg. No. 6283–86–9)		Solvent
Lactic acid, 2-ethylhexyl ester, (2S)- (CAS Reg. No. 186817–80–1)		Solvent
Lactic acid, n-propyl ester, (S); (CAS Reg. No. 53651–69–7)		Solvent
Lauryl alcohol		Surfactant
Lignin (CAS Reg. No. 9005–53–2)		Surfactant, related adjuvants of surfactants
Lignin, alkali (CAS Reg. No. 8068–05–1)		Do.
Lignin, alkali, oxidized, sodium salt (CAS Reg. No. 68201–23–0)		Do.
Lignin alkali reaction products with disodium sulfite and formaldehyde (CAS Reg. No. 105859–97–0)		Do.
Lignin alkali reaction products with formaldehyde and sodium bisulfite (CAS Reg. No. 68512–35–6)		Do.
Lignosulfonic acid (CAS Reg. No. 8062–15–5)		Do.
Lignosulfonic acid, ammonium calcium salt (CAS Reg. No. 12710–04–2)		Do.
Lignosulfonic acid, ammonium magnesium salt (CAS Reg. No. 123175–37–1)		Do.
Lignosulfonic acid, ammonium salt (CAS Reg. No. 8061–53–8)		Do.
Lignosulfonic acid, ammonium sodium salt (CAS Reg. No. 166798–73–8)		Do.
Lignosulfonic acid, calcium magnesium salt (CAS Reg. No. 55598–86–2)		Do.
Lignosulfonic acid, calcium salt (CAS Reg. No. 8061–52–7)		Do.
Lignosulfonic acid, calcium sodium salt (CAS Reg. No. 37325–33–0)		Do.
Lignosulfonic acid, ethoxylated, sodium salt (CAS Reg. No. 68611–14–3)		Do.
Lignosulfonic acid, magnesium salt (CAS Reg. No. 8061–54–9)		Do.
Lignosulfonic acid, potassium salt (CAS Reg. No. 37314–65–1)		Do.
Lignosulfonic acid, sodium salt (CAS Reg. No. 8061–51–6)		Do.
Lignosulfonic acid, sodium salt, oxidized (CAS Reg. No. 68855–41–4)		Do.
Lignosulfonic acid, sodium salt, polymer with formaldehyde and phenol (CAS Reg. No. 37207–89–9)		Do.
Lignosulfonic acid, sodium salt, sulfomethylated (CAS Reg. No. 68512–34–5)		Do.
Lignosulfonic acid, zinc salt (CAS Reg. No. 57866–49–6)		Do.
d-Limonene (CAS Reg. No. 5989–27–5)		Solvent, fragrance
Magnesium carbonate		Anticaking agent, conditioning agent
Magnesium chloride		Safener
Magnesium lime		Solid diluent, carrier
Magnesium oxide		Do.
Magnesium silicate		Do.
Magnesium stearate		Surfactant
Magnesium sulfate		Solid diluent, carrier, safener
Methyl alcohol		Solvent
Methyl n -amyl ketone (CAS Reg. No. 110–43–0)		Solvent, cosolvent
Methylated silicones		Antifoaming agent
Methyl esters of fatty acids derived from edible fats and oils		Solvent, cosolvent
Methyl esters of higher fatty acids conforming to 21 CFR 573.640		Antidusting agent, surfactant
Methyl isobutyl ketone		Solvent
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
Mica		Solid diluent, carrier
Mineral oil, U.S.P., or conforming to 21 CFR 172.878 or 178.3620(a) (CAS Reg. No. 8012–95–1)		Diluent, carrier, and solvent
Monoammonium phosphate	No more than 3.75% by weight in formulation	Postharvest fumigation in formulation with aluminum phosphide
Mono- and diglycerides of C₈-C₁₈fatty acids		Surfactants, related adjuvants of surfactants
Montmorillonite-type clay		Solid diluent, carrier
Nonyl, decyl, and undecyl glycoside mixture with a mixture of nonyl, decyl, and undecyl oligosaccharides and related reaction products (primarily decanol and undecanol) produced as an aqueous-based liquid (50 to 65% solids) from the reaction of primary alcohols (containing 15 to 20% secondary alcohol isomers) in a ratio of 20% C₉, 40% C₁₀, and 40% C₁₁with carbohydrates (average glucose to alkyl chain ratio 1.3 to 1.8)		Surfactant.
α-( p -Nonylphenyl)-ω-hydroxypoly(oxyethylene) mixture of dihydrogen phosphate and monohydrogen phosphate esters and the corresponding ammonium, calcium, magnesium, monoethanolamine, potassium, sodium, and zinc salts of the phosphate esters; the nonyl group is a propylene trimer isomer and the poly(oxyethylene) content averages 4-14 moles or 30 moles		Surfactants, related adjuvants of surfactants
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 30-90 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 of 4-14 or 30-90		Do.
α-( p -Nonylphenyl)-ω-hydroxypoly(oxyethylene) sulfate, ammonium, calcium, magnesium, potassium, sodium, and zinc salts; the nonyl group is a propylene trimer isomer and the poly(oxyethylene) content averages 4 moles		Do.
1-Octanal (CAS Reg. No. 124–13–0)	Not more than 0.2% of the pesticide formulation	Odor masking agent
Octyl and decyl glucosides mixture with a mixture of octyl and decyloligosaccharides and related reaction products (primarily n- decanol) produced as an aqueous-based liquid (68-72% solids) from the reaction of straight chain alcohols (C₈(45%), C₁₀(55%)) with anhydrous glucose		Surfactants, related adjuvants of surfactants
Oleic acid		Diluent
Oleic acid diester of α-hydro-ω-hydroxypoly (oxyethylene); the poly(oxyethylene) having average molecular weight (in amu) 400		Surfactants, related adjuvants of surfactants
α-Oleoyl-ω-hydroxypoly(oxyethylene), average molecular weight (in amu) of 600		Emulsifier
Oleyl alcohol (CAS Reg. No. 143–28–2	15%	Cosolvent
Oxalic acid	No more oxalic acid should be used than is necessary to chelate calcium and in no case should more than 2 lb oxalic acid per acre be used	Calcium chelating hard water inhibitor
Palmitic acid		Diluent
Pentaerythritol ester of maleic anhydride modified wood rosin		Plasticizer
Petrolatum, conforming to 21 CFR 172.880		Coating agent
Petroleum hydrocarbons, light odorless conforming to 21 CFR 172.884		Solvent, diluent.
Petroleum hydrocarbons, synthetic isoparaffinic, conforming to 21 CFR 172.882		Do.
Petroleum naphtha, conforming to 21 CFR 172.250(d)		Component of coating agent
Petroleum wax, conforming to 21 CFR 172.886(d)		Coating agent
Phosphoric acid		Buffer
Polyethylene, conforming to 21 CFR 177.1520(c)		Binder, carrier, and coating agent
Polyethylene glycol[α-hydro-ω-hydroxypoly(oxyethylene)]; mean molecular weight (in amu) 194 to 9,500 conforms to 21 CFR 178.3750		Surfactants, related adjuvants of surfactants
Polyglycerol esters of fatty acids conforming to 21 CFR 172.854		Surfactants, related adjuvants of surfactants
Polyglyceryl phthalate ester of coconut oil fatty acids (CAS Reg. Nos. 67746–6070–9		Surfactants, related adjuvants of surfactants
Poly(oxy-1,2-ethanediyl), α-(carboxymethyl)-ω-(nonylphenoxy) produced by the condensation of 1 mole of nonylphenol (nonyl group is a propylene trimer isomer) with an average of 4-14 or 30-90 moles of ethylene oxide. The molecular weight (in amu) ranges are 454-894 and 1598-4238		Surfactant
Polyoxyethylene (20) sorbitan monostearate		Surfactants, related adjuvants of surfactants
[Poly[oxy(methyl-1,2-ethanediyl)], α-[2-bis(2-hydroxyethyl)amino]propyl]-ω-hydroxy,-ether with α-hydro-ω-hydroxypoly(oxy-1,2-ethanediyl) (1:2), mono-C_12–16alkyl ethers, (CAS Reg. No. 176022–82–5)	Not to exceed 15% in the formulated product; only for use with glyphosate	Surfactant
Polysorbate 65, conforming to 21 CFR 172.838		Emulsifier
Potassium aluminum silicate		Solid diluent, carrier
Potassium hydroxide		Neutralizer
Potassium phosphate		Buffer
Potassium sulfate		Solid diluent
Propane		Propellant
n-Propanol		Solvent, cosolvent
2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate and methyl 2-methyl-2-propenoate, ammonium salt (CAS Registration No. 55989–05–4), minimum number average molecular weight (in amu), 18,900.		Encapsulating agent, dispensers, resins, fibers and beads
Propylene glycol		Solvent, cosolvent.
Propylene glycol alginate (as defined in 21 CFR 172.858)		Defoaming agent
Propyl gallate		Antioxidant
Propyl p -hydroxybenzoate		Preservative for formulations
Pyrophyllite		Solid diluent, carrier
Rhizobium inoculants (e.g. Sinorhizobium, Bradyrhizobium & Rhizobium )		All leguminous food commodities
Rosin, partially dimerized (as defined in 21 CFR 172.615)		Surfactants, related adjuvants of surfactants
Rosin, partially hydrogenated (as defined in 21 CFR 172.615)		Do.
Rosin, wood		Do.
Salts of fatty acids, conforming to 21 CFR 172.863		Binder, emulsifier, anticaking agent
Sand		Solid diluent, carrier
Shellac, bleached; refined, food grade, arsenic and rosin-free		Coating agent
Soapstone		Solid diluent
Sodium acid pyrophosphate		Surfactant, suspending agent, dispersing agent, buffer
Sodium alkyl naphthalenesulfonates (CAS Reg. Nos. 68909–83–1, 68909–84–2, 68909–82–0, 27213–90–7, 26264–58–4, 27178–87–6, 111163–74–7, 908356–16–1, 25417–20–3, 25638–17–9, 145578–88–7, 1322–93–6, 1323–19–9, 7403–47–6, 68442–09–1, 127646–44–0, 908356–18–3)	Limited to no more than 30% by weight in pesticide end-use products	Surfactants, related adjuvants of surfactants
Sodium aluminum silicate		Solid diluent, carrier
Sodium dioctylsulfosuccinate		Surfactants, related adjuvants of surfactants
Sodium hexametaphosphate		Surfactant, emulsifier, wetting agent, suspending agent, dispersing agent, buffer
Sodium hydroxide		Neutralizer
Sodium metasilicate		Surfactants, emulsifiers, wetting agents, dispersing agents, buffer
Sodium monoalkyl and dialkyl (C6-C16) phenoxy benzenedisulfonates and related acids (CAS Reg. Nos. 147732–59–0, 147732–60–3, 169662–22–0, 70191–75–2, 36445–71–3, 39354–74–0, 70146–13–3, 119345–03–8, 149119–20–0, 149119–19–7, 119345–04–9, 28519–02–0, 25167–32–2, 30260–73–2, 65143–89–7, 70191–76–3)	Not to exceed 20% in pesticide formulations	Surfactants, related adjuvants of surfactants
Sodium α-olefinsulfonate (sodium C₁₄-C₁₆) (Olefin sulfonate)		Surfactants, related adjuvants of surfactants
Sodium N -oleoyl- N -methyl taurine (CAS Reg. No. 137–20–2)		Surfactants, related adjuvants of surfactants
Sodium salt of sulfated oleic acid		Surfactants, related adjuvants of surfactants
Sodium silicate		Surfactant, emulsifier, wetting agent, stabilizer, inhibitor
Sodium starch glycolate (CAS Reg. No. 9063–38–1)	Granular and tableted products only; not to exceed 8% of the formulated product	Disintegrant
Sodium sulfate		Solid diluent, carrier
Sodium tripolyphosphate		Buffer, surfactant, suspending agent, dispersing agent, anticaking agent, conditioning agent
Sorbic acid (CAS Reg. No. 110–44–1)		Preservative for formulations
Sorbitan fatty acid esters (fatty acids limited to C₁₂, C₁₄, C₁₆, and C₁₈containing minor amounts of associated fatty acids) and their derivatives; the poly(oxyethylene) content averages 5-20 moles		Surfactants, related adjuvants or surfactants.
Soybean flour	Expires May 24, 2005.	Surfactant
Soybean oil-derived fatty acids		Solvent, cosolvent
Stearic acid		Diluent
α-Stearoyl-ω-hydroxypoly(oxyethylene), average molecular weight (in amu) of 600		Emulsifier
α-Stearoyl-ω-hydroxypoly(oxyethylene); the poly(oxyethylene) content averages either 8, 9, or 40 moles; if a blend of products is used, the average number of moles ethylene oxide reacted to produce any product that is a component of the blend shall be either 8, 9, or 40		Surfactants, related adjuvants of surfactants
Sucrose octaacetate		Adhesive
Sulfite liquors and cooking liquors, spent, oxidized (CAS Reg. No. 68514–09–0)		Surfactant, related adjuvants of surfactants
Sulfuric acid (CAS Reg. No.7664–93–9)	Not to exceed 10% of the pesticide formulation; non-aerosol formulations only	pH Control agent
Synthetic paraffin and its succinic derivatives conforming to 21 CFR 172.275		Carrier, binder, and carrying agent
Synthetic petroleum wax, conforming to 21 CFR 172.888		Binder, carrier, and coating agent
Talc		Solid diluent, carriers
Tall oil; fatty acids not less than 58%, rosin acids not more than 44%, unsaponifiables not more than 8%		Surfactants, related adjuvants of surfactants
Tartrazine		Dye
Terpenes and terpenoids, turpentine oil, alpha-pinene fraction, polymd. (CAS Reg. No. 70750–57–1)		Surfactants, related adjuvants of surfactants
1,1,1,2-Tetrafluoroethane, (CAS Reg. No. 811–97–2)		Aerosol propellant
Tetrahydrofurfuryl alcohol (THFA) (CAS Reg. No 97–99–4)	Expires February 9, 2008	Solvent/cosolvent
α-[ p -(1,1,3,3-Tetramethylbutyl)phenyl]-ω-hydroxypoly(oxyethylene) produced by the condensation of 1 mole of p -(1,1,3,3-tetramethylbutyl)phenol with a range of 1-14 or 30-70 moles of ethylene oxide: if a blend of products is used, the average range number of moles of ethylene oxide reacted to produce any product that is a component of the blend shall be in the range of 1-14 or 30-70		Surfactants, related adjuvants of surfactants
2,4,7,9-Tetramethyl-5-decyn-4, 7-diol	Not more than 2.5% of pesticide formulation	Surfactants, related adjuvants of surfactants
Tetrasodium pyrophosphate		Anticaking agent, conditioning agent
Thiosulfuric acid, disodium salt, anhydrous. (CAS Reg. No 7772–98–7)		Dechlorinator, reducing agent
Thiosulfuric acid, disodium salt, pentahydrate. (CAS Reg. No. 10102–17–7)		Do.
d-Alpha tocopherol (CAS Reg. No. 9–02–9	None	Safener
d-Alpha tocopheryl acetate (CAS Reg. No. 58–95–7)	None	Do.
dl-Alpha tocopherol (CAS Reg. No.10191–41–0)	None	Do.
dl-Alpha tocopheryl acetate (CAS Reg. No. 7695–91–2)	None	Do.
Tricalcium phosphate		Surfactant, suspending agent, dispersing agent, anticaking agent, conditioning agent
Trisodium phosphate		Surfactant, emulsifier, wetting agent
Vermiculite		Solid diluent, carrier.
Vitamin E (CAS Reg. No. 1406–18–4)	None	Safener
Walnut shells		Leaching inhibitor, binder for water-dispersible aggregates, sticker and suspension stabilizer
Wintergreen oil		Attractant
Wood flour	Derived from wood free of chemical preservatives	Solid diluent and carrier
Xanthan gum-modified, produced by the reaction of xanthan gum and glyoxal (maximum 0.3% by weight)	Not more than 0.5% of pesticide formulation	Surfactant
Xylene meeting the specifications listed in 21 CFR 172.884(b)(4)	In pesticide formulations for grain storage only	Solvent, cosolvent
Zeolite (hydrated alkali aluminum silicate)		Solid diluent, carrier
Zinc oxide		Coating agent
Zinc sulfate (basic and monohydrate)		Do.
Zinc sulfate (basic and monohydrate)		Solid diluent, carrier

[69 FR 23117, Apr. 28, 2004, as amended at 69 FR 33578, June 16, 2004; 69 FR 34949, June 23, 2004; 69 FR 40786, July 7, 2004; 69 FR 47025, Aug. 4, 2004; 69 FR 58304, 58314, Sept. 30, 2004; 70 FR 28443, 28451, May 18, 2005; 70 FR 31364, June 1, 2005; 70 FR 37692, June 30, 2005; 70 FR 38786, July 6, 2005; 70 FR 43311, July 27, 2005; 70 FR 44496, Aug. 3, 2005; 70 FR 51628, Aug. 31, 2005; 70 FR 54286, Sept. 14, 2005; 70 FR 55296, Sept. 21, 2005; 70 FR 55733, Sept. 23, 2005; 70 FR 67910, Nov. 9, 2005; 71 FR 14414, Mar. 22, 2006; 71 FR 30810, May 31, 2006; 71 FR 43660, Aug. 2, 2006; 71 FR 45414, 45421, Aug. 9, 2006; 73 FR 9217, Feb. 20, 2008; 73 FR 17913, Apr. 2, 2008; 74 FR 22460, May 13, 2009; 74 FR 32460, July 8, 2009; 74 FR 37577, 37597, 37604, 37612, July 29, 2009; 74 FR 38943, 38969, Aug. 5, 2009; 74 FR 51474, 51480, Oct. 7, 2009; 74 FR 57078, Nov. 4, 2009]

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