Editorial Note on Part 172
Editorial Note: Nomenclature changes to part 172 appear at 61 FR 14482, Apr. 2, 1996; 66 FR 56035, Nov. 6, 2001; 66 FR 66742, Dec. 27, 2001; 68 FR 15355, Mar. 31, 2003; 70 FR 40880, July 15, 2005; 70 FR 67651, Nov. 8, 2005; 70 FR 72074, Dec. 1, 2005; and 81 FR 49896, July 29, 2016.

§ 172.515 Synthetic flavoring substances and adjuvants. Synthetic flavoring substances and adjuvants may be safely used in food in accordance with the following conditions. ( a ) They are used in the minimum quantity required to produce their intended effect, and otherwise in accordance with all the principles of good manufacturing practice.
( b ) They consist of one or more of the following, used alone or in combination with flavoring substances and adjuvants generally recognized as safe in food, prior-sanctioned for such use, or regulated by an appropriate section in this part. Acetal; acetaldehyde diethyl acetal. Acetaldehyde phenethyl propyl acetal. Acetanisole; 4′-methoxyacetophenone. Acetophenone; methyl phenyl ketone. Allyl anthranilate. Allyl butyrate. Allyl cinnamate. Allyl cyclohexaneacetate. Allyl cyclohexanebutyrate. Allyl cyclohexanehexanoate. Allyl cyclohexaneproprionate. Allyl cyclohexanevalerate. Allyl disulfide. Allyl 2-ethylbutyrate. Allyl hexanoate; allyl caproate. Allyl α-ionone; 1-(2,6,6-trimethyl-2-cyclo-hexene-1-yl)-1,6-heptadiene-3-one. Allyl isothiocyanate; mustard oil. Allyl isovalerate. Allyl mercaptan; 2-propene-1-thiol. Allyl nonanoate. Allyl octanoate. Allyl phenoxyacetate. Allyl phenylacetate. Allyl propionate. Allyl sorbate; allyl 2,4-hexadienoate. Allyl sulfide. Allyl tiglate; allyl *trans-*2-methyl-2-butenoate. Allyl 10-undecenoate. Ammonium isovalerate. Ammonium sulfide. Amyl alcohol; pentyl alcohol. Amyl butyrate. α-Amylcinnamaldehyde. α-Amylcinnamaldehyde dimethyl acetal. α-Amylcinnamyl acetate. α-Amylcinnamyl alcohol. α-Amylcinnamyl formate. α-Amylcinnamyl isovalerate. Amyl formate. Amyl heptanoate. Amyl hexanoate. Amyl octanoate. Anisole; methoxybenzene. Anisyl acetate. Anisyl alcohol; *p-*methoxybenzyl alcohol. Anisyl butyrate Anisyl formate. Anisyl phenylacetate. Anisyl propionate. Beechwood creosote. Benzaldehyde dimethyl acetal. Benzaldehyde glyceryl acetal; 2-phenyl*-m-*dioxan-5-ol. Benzaldehyde propylene glycol acetal; 4-methyl-2-phenyl*-m-*dioxolane. Benzenethiol; thiophenol. Benzoin; 2-hydroxy-2-phenylacetophenone. Benzyl acetate. Benzyl acetoacetate. Benzyl alcohol. Benzyl benzoate. Benzyl butyl ether. Benzyl butyrate. Benzyl cinnamate. Benzyl 2,3-dimethylcrotonate; benzyl methyl tiglate. Benzyl disulfide; dibenzyl disulfide. Benzyl ethyl ether. Benzyl formate. 3-Benzyl-4-heptanone; benzyl dipropyl ketone. Benzyl isobutyrate. Benzyl isovalerate. Benzyl mercaptan; α-toluenethiol. Benzyl methoxyethyl acetal; acetaldehyde benzyl β-methoxyethyl acetal. Benzyl phenylacetate. Benzyl propionate. Benzyl salicylate. Birch tar oil. Borneol; *d-*camphanol. Bornyl acetate. Bornyl formate. Bornyl isovalerate. Bornyl valerate. β-Bourbonene; 1,2,3,3a,3bβ,4,5,6,6aβ,6bα-deca-hydro-lα-isopropyl-3aa-methyl-6-methylene-cyclobuta [1,2:3,4] dicyclopentene. 2-Butanol. 2-Butanone; methyl ethyl ketone. Butter acids. Butter esters. Butyl acetate. Butyl acetoacetate. Butyl alcohol; 1-butanol. Butyl anthranilate. Butyl butyrate. Butyl butyryllactate; lactic acid, butyl ester, butyrate. α-Butylcinnamaldehyde. Butyl cinnamate. Butyl 2-decenoate. Butyl ethyl malonate. Butyl formate. Butyl heptanoate. Butyl hexanoate. Butyl *p-*hydroxybenzoate. Butyl isobutyrate. Butyl isovalerate. Butyl lactate. Butyl laurate. Butyl levulinate. Butyl phenylacetate. Butyl propionate. Butyl stearate. Butyl sulfide. Butyl 10-undecenoate. Butyl valerate. Butyraldehyde. Cadinene. Camphene; 2,2-dimethyl-3-methylenenorbornane. *d-*Camphor. Carvacrol; 2-*p-*cymenol. Carvacryl ethyl ether; 2-ethoxy*-p-*cymene. Carveol; *p-*mentha-6,8-dien-2-ol. 4-Carvomenthenol; 1*-p-*menthen-4-ol; 4-terpinenol. *cis* Carvone oxide; 1,6-epoxy*-p-*menth-8-en-2-one. Carvyl acetate. Carvyl propionate. β-Caryophyllene. Caryophyllene alcohol. Caryophyllene alcohol acetate. β-Caryophyllene oxide; 4-12,12-trimethyl-9-methylene-5-oxatricylo [8.2.0.04 6] dodecane. Cedarwood oil alcohols. Cedarwood oil terpenes. 1,4-Cineole. Cinnamaldehyde ethylene glycol acetal. Cinnamic acid. Cinnamyl acetate. Cinnamyl alcohol; 3-phenyl-2-propen-1-ol. Cinnamyl benzoate. Cinnamyl butyrate. Cinnamyl cinnamate. Cinnamyl formate. Cinnamyl isobutyrate. Cinnamyl isovalerate. Cinnamyl phenylacetate. Cinnamyl propionate. Citral diethyl acetal; 3,7-dimethyl-2,6-octadienal diethyl acetal. Citral dimethyl acetal; 3,7-dimethyl-2,6-octadienal dimethyl acetal. Citral propylene glycol acetal. Citronellal; 3,7-dimethyl-6-octenal; rhodinal. Citronellol; 3,7-dimethyl-6-octen-1-ol; *d-*citronellol. Citronelloxyacetaldehyde. Citronellyl acetate. Citronellyl butyrate. Citronellyl formate. Citronellyl isobutyrate. Citronellyl phenylacetate. Citronellyl propionate. Citronellyl valerate. *p-*Cresol. Cuminaldehyde; cuminal; *p-*isopropyl benzaldehyde. Cyclohexaneacetic acid. Cyclohexaneethyl acetate. Cyclohexyl acetate. Cyclohexyl anthranilate. Cyclohexyl butyrate. Cyclohexyl cinnamate. Cyclohexyl formate. Cyclohexyl isovalerate. Cyclohexyl propionate. *p-*Cymene. γ-Decalactone; 4-hydroxy-decanoic acid, γ-lactone. γ-Decalactone; 5-hydroxy-decanoic acid, δ-lactone. Decanal dimethyl acetal. 1-Decanol; decylic alcohol. 2-Decenal. 3-Decen-2-one; heptylidene acetone. Decyl actate. Decyl butyrate. Decyl propionate. Dibenzyl ether. 4,4-Dibutyl-γ-butyrolactone; 4,4-dibutyl-4-hydroxy-butyric acid, γ-lactone. Dibutyl sebacate. Diethyl malate. Diethyl malonate; ethyl malonate. Diethyl sebacate. Diethyl succinate. Diethyl tartrate. 2,5-Diethyltetrahydrofuran. Dihydrocarveol; 8*-p-*menthen-2-ol; 6-methyl-3-isopropenylcyclohexanol. Dihydrocarvone. Dihydrocarvyl acetate. *m-*Dimethoxybenzene. *p-*Dimethoxybenzene; dimethyl hydroquinone. 2,4-Dimethylacetophenone. α,α-Dimethylbenzyl isobutyrate; phenyldimethylcarbinyl isobutyrate. 2,6-Dimethyl-5-heptenal. 2,6-Dimethyl octanal; isodecylaldehyde. 3,7-Dimethyl-1-octanol; tetrahydrogeraniol. α,α-Dimethylphenethyl acetate; benzylpropyl acetate; benzyldimethylcarbinyl acetate. α,α-Dimethylphenethyl alcohol; dimethylbenzyl carbinol. α,α-Dimethylphenethyl butyrate; benzyldimethylcarbinyl butyrate. α,α-Dimethylphenethyl formate; benzyldimethylcarbinyl formate. Dimethyl succinate. 1,3-Diphenyl-2-propanone; dibenzyl ketone. delta-Dodecalactone; 5-hydroxydodecanoic acid, deltalactone. γ-Dodecalactone; 4-hydroxydodecanoic acid γ-lactone. 2-Dodecenal. Estragole. ρ-Ethoxybenzaldehyde. Ethyl acetoacetate. Ethyl 2-acetyl-3-phenylpropionate; ethylbenzyl acetoacetate. Ethyl aconitate, mixed esters. Ethyl ρ-anisate. Ethyl anthranilate. Ethyl benzoate. Ethyl benzoylacetate. α-Ethylbenzyl butyrate; α-phenylpropyl butyrate. Ethyl brassylate; tridecanedioic acid cyclic ethylene glycol diester; cyclo 1,13-ethyl-enedioxytridecan-1,13-dione. 2-Ethylbutyl acetate. 2-Ethylbutyraldehyde. 2-Ethylbutyric acid. Ethyl cinnamate. Ethyl crotonate; *trans-*2-butenoic acid ethylester. Ethyl cyclohexanepropionate. Ethyl decanoate. 2-Ethylfuran. Ethyl 2-furanpropionate. 4-Ethylguaiacol; 4-ethyl-2-methoxyphenol. Ethyl heptanoate. 2-Ethyl-2-heptenal; 2-ethyl-3-butylacrolein. Ethyl hexanoate. Ethyl isobutyrate. Ethyl isovalerate. Ethyl lactate. Ethyl laurate. Ethyl levulinate. Ethyl maltol; 2-ethyl-3-hydroxy-4H-pyran-4-one. Ethyl 2-methylbutyrate. Ethyl myristate. Ethyl nitrite. Ethyl nonanoate. Ethyl 2-nonynoate; ethyl octyne carbonate. Ethyl octanoate. Ethyl oleate. Ethyl phenylacetate. Ethyl 4-phenylbutyrate. Ethyl 3-phenylglycidate. Ethyl 3-phenylpropionate; ethyl hydrocinnamate. Ethyl propionate. Ethyl pyruvate. Ethyl salicylate. Ethyl sorbate; ethyl 2,4-hexadienoate. Ethyl tiglate; ethyl *trans-*2-methyl-2-butenoate. Ethyl undecanoate. Ethyl 10-undecenoate. Ethyl valerate. Eucalyptol; 1,8-epoxy*-p-*menthane; cineole. Eugenyl acetate. Eugenyl benzoate. Eugenyl formate. Farnesol; 3,7,11-trimethyl-2,6,10-dodecatrien-1-ol. *d-*Fenchone; *d-*1,3,3-trimethyl-2-norbornanone. Fenchyl alcohol; 1,3,3-trimethyl-2-norbornanol. Formic acid (2-Furyl)-2-propanone; furyl acetone. 1-Furyl-2-propanone; furyl acetone. Fusel oil, refined (mixed amyl alcohols). Geranyl acetoacetate; *trans-*3,7-dimethyl-2, 6-octadien-1-yl acetoacetate. Geranyl acetone; 6,10-dimethyl-5,9-undecadien-2-one. Geranyl benzoate. Geranyl butyrate. Geranyl formate. Geranyl hexanoate Geranyl isobutyrate. Geranyl isovalerate. Geranyl phenylacetate. Geranyl propionate. Glucose pentaacetate. Guaiacol; μ-methoxyphenol. Guaiacyl acetate; μ-methoxyphenyl acetate. Guaiacyl phenylacetate. Guaiene; 1,4-dimethyl-7-isopropenyl-Δ9,10-octahydroazulene. Guaiol acetate; 1,4-dimethyl-7-(α-hydroxy-isopropyl)-δ9,10-octahydroazulene acetate. γ-Heptalactone; 4-hydroxyheptanoic acid, γ-lactone. Heptanal; enanthaldehyde. Heptanal dimethyl acetal. Heptanal 1,2-glyceryl acetal. 2,3-Heptanedione; acetyl valeryl. 3-Heptanol. 2-Heptanone; methyl amyl ketone. 3-Heptanone; ethyl butyl ketone. 4-Heptanone; dipropyl ketone. *cis-*4-Heptenal; *cis-*4-hepten-1-al. Heptyl acetate. Heptyl alcohol; enanthic alcohol. Heptyl butyrate. Heptyl cinnamate. Heptyl formate. Heptyl isobutyrate. Heptyl octanoate. 1-Hexadecanol; cetyl alcohol. ω-6-Hexadecenlactone; 16-hydroxy-6-hexadecenoic acid, ω-lactone; ambrettolide. γ-Hexalactone; 4-hydroxyhexanoic acid, γ-lactone; tonkalide. Hexanal; caproic aldehyde. 2,3-Hexanedione; acetyl butyryl. Hexanoic acid; caproic acid. 2-Hexenal. 2-Hexen-1-ol. 3-Hexen-1-ol; leaf alcohol. 2-Hexen-1-yl acetate. 3-Hexenyl isovalerate. 3-Hexenyl 2-methylbutyrate. 3-Hexenyl phenylacetate; *cis-*3-hexenyl phenylacetate. Hexyl acetate. 2-Hexyl-4-acetoxytetrahydrofuran. Hexyl alcohol. Hexyl butyrate. α-Hexylcinnamaldehyde. Hexyl formate. Hexyl hexanoate. 2-Hexylidene cyclopentanone. Hexyl isovalerate. Hexyl 2-methylbutyrate. Hexyl octanoate. Hexyl phenylacetate; *n-*hexyl phenylacetate. Hexyl propionate. Hydroxycitronellal; 3,7-dimethyl-7-hydroxy-octanal. Hydroxycitronellal diethyl acetal. Hydroxycitronellal dimethyl acetal. Hydroxycitronellol; 3,7-dimethyl-1,7-octanediol. *N-*(4-Hydroxy-3-methoxybenzyl)-nonanamide; pelargonyl vanillylamide. 5-Hydroxy-4-octanone; butyroin. 4-(*p-*Hydroxyphenyl)-2-butanone; *p-*hydroxybenzyl acetone. Indole. α-Ionone; 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one. β-Ionone; 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one. α-Irone; 4-(2,5,6,6-tetramethyl-2-cyclohexene-1-yl)-3-buten-2-one; 6-methylionone. Isoamyl acetate. Isoamyl acetoacetate. Isoamyl alcohol; isopentyl alcohol; 3-methyl-1-butanol. Isoamyl benzoate. Isoamyl butyrate. Isoamyl cinnamate. Isoamyl formate. Isoamyl 2-furanbutyrate; α-isoamyl furfurylpropionate. Isoamyl 2-furanpropionate; α-isoamyl furfurylacetate. Isoamyl hexanoate. Isoamyl isobutyrate. Isoamyl isovalerate. Isoamyl laurate. Isoamyl-2-methylbutyrate; isopentyl-2-methylbutyrate. Isoamyl nonanoate. Isoamyl octanoate. Isoamyl phenylacetate. Isoamyl propionate. Isoamyl pyruvate. Isoamyl salicylate. Isoborneol. Isobornyl acetate. Isobornyl formate. Isobornyl isovalerate. Isobornyl propionate. Isobutyl acetate. Isobutyl acetoacetate. Isobutyl alcohol. Isobutyl angelate; isobutyl *cis-*2-methyl-2-butenoate. Isobutyl anthranilate. Isobutyl benzoate. Isobutyl butyrate. Isobutyl cinnamate. Isobutyl formate. Isobutyl 2-furanpropionate. Isobutyl heptanoate. Isobutyl hexanoate. Isobutyl isobutyrate. α-Isobutylphenethyl alcohol; isobutyl benzyl carbinol; 4-methyl-1-phenyl-2-pentanol. Isobutyl phenylacetate. Isobutyl propionate. Isobutyl salicylate. 2-Isobutylthiazole. Isobutyraldehyde. Isobutyric acid. Isoeugenol; 2-methoxy-4-propenylphenol. Isoeugenyl acetate. Isoeugenyl benzyl ether; benzyl isoeugenol. Isoeugenyl ethyl ether; 2-ethoxy-5-propenyl-anisole; ethyl isoeugenol. Isoeugenyl formate. Isoeugenyl methyl ether; 4-propenylveratrole; methyl isoeugenol. Isoeugenyl phenylacetate. Isojasmone; mixture of 2-hexylidenecyclopentanone and 2-hexyl-2-cyclopenten-1-one. α-Isomethylionone; 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-methyl-3-buten-2-one; methyl γ-ionone. Isopropyl acetate. ρ-Isopropylacetophenone. Isopropyl alcohol; isopropanol. Isopropyl benzoate. ρ-Isopropylbenzyl alcohol; cuminic alcohol; ρ-cymen-7-ol. Isopropyl butyrate. Isopropyl cinnamate. Isopropyl formate. Isopropyl hexanoate. Isopropyl isobutyrate. Isopropyl isovalerate. ρ-Isopropylphenylacetaldehyde; ρ-cymen-7-carboxaldehyde. Isopropyl phenylacetate. 3-(ρ-Isopropylphenyl)-propionaldehyde; ρ-isopropylhydrocinnamaldehyde; cuminyl acetaldehyde. Isopropyl propionate. Isopulegol; *p-*menth-8-en-3-ol. Isopulegone; *p-*menth-8-en-3-one. Isopulegyl acetate. Isoquinoline. Isovaleric acid. *cis-*Jasmone; 3-methyl-2-(2-pentenyl)-2-cyclopenten-1-one. Lauric aldehyde; dodecanal. Lauryl acetate. Lauryl alcohol; 1-dodecanol. Lepidine; 4-methylquinoline. Levulinic acid. Linalool oxide; *cis-* and *trans-*2-vinyl-2-methyl-5-(1′-hydroxy-1′-methylethyl) tetrahydrofuran. Linalyl anthranilate; 3,7-dimethyl-1,6-octadien-3-yl anthranilate. Linalyl benzoate. Linalyl butyrate. Linalyl cinnamate. Linalyl formate. Linalyl hexanoate. Linalyl isobutyrate. Linalyl isovalerate. Linalyl octanoate. Linalyl propionate. Maltol; 3-hydroxy-2-methyl-4H-pyran-4-one. Menthadienol; *p-*mentha-1,8(10)-dien-9-ol. *p-*Mentha-1,8-dien-7-ol; perillyl alcohol. Menthadienyl acetate; *p-*mentha-1,8(10)-dien-9-yl acetate. *p-*Menth-3-en-1-ol. 1*-p-*Menthen--9-yl acetate; *p-*menth-1-en-9-yl acetate. Menthol; 2-isopropyl-5-methylcyclohexanol. Menthone; *p*-menthan-3-one. Menthyl acetate; *p-*menth-3-yl acetate. Menthyl isovalerate; *p-*menth-3-yl isovalerate. *o-*Methoxybenzaldehyde. *p-*Methoxybenzaldehyde; *p-*anisaldehyde. *o-*Methoxycinnamaldehyde. 2-Methoxy-4-methylphenol; 4-methylguaiacol; 2-methoxy*-p-*cresol. 4-(*p-*Methoxyphenyl)-2-butanone; anisyl acetone. 1-(4-Methoxyphenyl)-4-methyl-1-penten-3-one; methoxystyryl isopropyl ketone. 1-(*p-*Methoxyphenyl)-1-penten-3-one; α-methylanisylidene acetone; ethone. 1-(*p-*Methoxyphenyl)-2-propanone; anisylmethyl ketone; anisic ketone. 2-Methoxy-4-vinylphenol; *p-*vinylguaiacol. Methyl acetate. 4′-Methylacetophenone; *p-*methylacetophenone; methyl *p-*tolyl ketone. 2-Methylallyl butyrate; 2-methyl-2-propenl-yl butyrate. Methyl anisate. *o-*Methylanisole; *o-*cresyl methyl ether. *p-*Methylanisole; *p-*cresyl methyl ether; *p-*methoxytoluene. Methyl benzoate. Methylbenzyl acetate, mixed *o-,m-,p-.* α-Methylbenzyl acetate; styralyl acetate. α-Methylbenzyl alcohol; styralyl alcohol. α-Methylbenzyl butyrate; styralyl butyrate. α-Methylbenzyl isobutyrate; styralyl isobutyrate. α-Methylbenzyl formate; styralyl formate. α-Methylbenzyl propionate; styralyl propionate. 2-Methyl-3-buten-2-ol. 2-Methylbutyl isovalerate. Methyl *p-tert-*butylphenylacetate. 2-Methylbutyraldehyde; methyl ethyl acetaldehyde. 3-Methylbutyraldehyde; isovaleraldehyde. Methyl butyrate. 2-Methylbutyric acid. α-Methylcinnamaldehyde. *p-*Methylcinnamaldehyde. Methyl cinnamate. 2-Methyl-1,3-cyclohexadiene. Methylcyclopentenolone; 3-methylcyclopentane-1,2-dione. Methyl disulfide; dimethyl disulfide. Methyl ester of rosin, partially hydrogenated (as defined in § 172.615); methyl dihydroabietate. Methyl heptanoate. 2-Methylheptanoic acid. 6-Methyl-3,5-heptadien-2-one. Methyl-5-hepten-2-ol. 6-Methyl-5-hepten-2-one. Methyl hexanoate. Methyl 2-hexanoate. Methyl *p-*hydroxybenzoate; methylparaben. Methyl α-ionone; 5-(2,6,6-trimethyl-2-cyclohexen-1-yl)-4-penten-3-one. Methyl β-ionone; 5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-4-penten-3-one. Methyl Δ-ionone; 5-(2,6,6-trimethyl-3-cyclohexen-1-yl-)-4-penten-3-one. Methyl isobutyrate. 2-Methyl-3-(*p-*isopropylphenyl)-propionalde-hyde; α-methyl*-p-*isopropylhydro- cinnamal- dehyde; cyclamen aldehyde. Methyl isovalerate. Methyl laurate. Methyl mercaptan; methanethiol. Methyl *o-*methoxybenzoate. Methyl *N-*methylanthranilate; dimethyl anthranilate. Methyl 2-methylbutyrate. Methyl-3-methylthiopropionate. Methyl 4-methylvalerate. Methyl myristate. Methyl β-naphthyl ketone; 2′-acetonaphthone. Methyl nonanoate. Methyl 2-nonenoate. Methyl 2-nonynoate; methyloctyne carbonate. 2-Methyloctanal; methyl hexyl acetaldehyde. Methyl octanoate. Methyl 2-octynoate; methyl heptine carbonate. 4-Methyl-2,3-pentanedione; acetyl isobutyryl. 4-Methyl-2-pentanone; methyl isobutyl ketone. β-Methylphenethyl alcohol; hydratropyl alcohol. Methyl phenylacetate. 3-Methyl-4-phenyl-3-butene-2-one. 2-Methyl-4-phenyl-2-butyl acetate; dimethylphenylethyl carbinyl acetate. 2-Methyl-4-phenyl-2-butyl isobutyrate; dimethylphenyl ethylcarbinyl isobutyrate. 3-Methyl-2-phenylbutyraldehyde; α-isopropyl phenylacetaldehyde. Methyl 4-phenylbutyrate. 4-Methyl-1-phenyl-2-pentanone; benzyl isobutyl ketone. Methyl 3-phenylpropionate; methyl hydrocinnamate. Methyl propionate. 3-Methyl-5-propyl-2-cyclohexen-1-one. Methyl sulfide. 3-Methylthiopropionaldehyde; methional. 2-Methyl-3-tolylpropionaldehyde, mixed *o-, m-, p-.* 2-Methylundecanal; methyl nonyl acetaldehyde. Methyl 9-undecenoate. Methyl 2-undecynoate; methyl decyne carbonate. Methyl valerate. 2-Methylvaleric acid. Myristaldehyde; tetradecanal. *d-*Neomenthol; 2-isopropyl-5-methylcyclohexanol. Nerol; *cis-*3,7-dimethyl-2,6-octadien-1-ol. Nerolidol; 3,7,11-trimethyl-1,6,10-dodecatrien-3-ol. Neryl acetate. Neryl butyrate. Neryl formate. Neryl isobutyrate. Neryl isovalerate. Neryl propionate. 2,6-Nonadien-1-ol. γ-Nonalactone; 4-hydroxynonanoic acid, γ-lactone; aldehyde C-18. Nonanal; pelargonic aldehyde. 1,3-Nonanediol acetate, mixed esters. Nonanoic acid; pelargonic acid. 2-Nonanone; methylheptyl ketone. 3-Nonanon-1-yl acetate; 1-hydroxy-3-nonanone acetate. Nonyl acetate. Nonyl alcohol; 1-nonanol. Nonyl octanoate. Nonyl isovalerate. Nootkatone; 5,6-dimethyl-8-isopropenyl-bicyclo[4,4,0]-dec-1-en-3-one. Ocimene; *trans*-β-ocimene; 3,7-dimethyl-1,3,6-octatriene. γ-Octalactone; 4-hydroxyoctanoic acid, γ-lactone. Octanal; caprylaldehyde. Octanal dimethyl acetal. 1-Octanol; octyl alcohol. 2-Octanol. 3-Octanol. 2-Octanone; methyl hexyl ketone. 3-Octanone; ethyl amyl ketone. 3-Octanon-1-ol. 1-Octen-3-ol; amyl vinyl carbinol. 1-Octen-3-yl acetate. Octyl acetate. 3-Octyl acetate. Octyl butyrate. Octyl formate. Octyl heptanoate. Octyl isobutyrate. Octyl isovalerate. Octyl octanoate. Octyl phenylacetate. Octyl propionate. ω-Pentadecalactone; 15-hydroxypentadeca-noic acid, ω-lactone; pentadecanolide; angelica lactone. 2,3-Pentanedione; acetyl propionyl. 2-Pentanone; methyl propyl ketone. 4-Pentenoic acid. 1-Penten-3-ol. Perillaldehyde; 4-isopropenyl-1-cyclohexene-1-carboxaldehyde;*p-*mentha-1,8-dien-7-al. Perillyl acetate; *p-*mentha-1,8-dien-7-yl acetate. α-Phellandrene; ρ-mentha-1,5-diene. Phenethyl acetate. Phenethyl alcohol; β-phenylethyl alcohol. Phenethyl anthranilate. Phenethyl benzoate. Phenethyl butyrate. Phenethyl cinnamate. Phenethyl formate. Phenethyl isobutyrate. Phenethyl isovalerate. Phenethyl 2-methylbutyrate. Phenethyl phenylacetate. Phenethyl propionate. Phenethyl salicylate. Phenethyl senecioate; phenethyl 3,3-dimethylacrylate. Phenethyl tiglate. Phenoxyacetic acid. 2-Phenoxyethyl isobutyrate. Phenylacetaldehyde; α-toluic aldehyde. Phenylacetaldehyde 2,3-butylene glycol acetal. Phenylacetaldehyde dimethyl acetal. Phenylacetaldehyde glyceryl acetal. Phenylacetic acid; α-toluic acid. 4-Phenyl-2-butanol; phenylethyl methyl carbinol. 4-Phenyl-3-buten-2-ol; methyl styryl carbinol. 4-Phenyl-3-buten-2-one. 4-Phenyl-2-butyl acetate; phenylethyl methyl carbinyl acetate. 1-Phenyl-3-methyl-3-pentanol; phenylethyl methyl ethyl carbinol. 1-Phenyl-1-propanol; phenylethyl carbinol. 3-Phenyl-1-propanol; hydrocinnamyl alcohol. 2-Phenylpropionaldehyde; hydratropalde-hyde. 3-Phenylpropionaldehyde; hydrocinnamaldehyde. 2-Phenylpropionalde-hyde dimethyl acetal; hydratropic aldehyde dimethyl acetal. 3-Phenylpropionic acid; hydrocinnamic acid. 3-Phenylpropyl acetate. 2-Phenylpropyl butyrate. 3-Phenylpropyl cinnamate. 3-Phenylpropyl formate. 3-Phenylpropyl hexanoate. 2-Phenylpropyl isobutyrate. 3-Phenylpropyl isobutyrate. 3-Phenylpropyl isovalerate. 3-Phenylpropyl propionate. 2-(3-Phenylpropyl)-tetrahydrofuran. α-Pinene; 2-pinene. β-Pinene; 2(10)-pinene. Pine tar oil. Pinocarveol; 2(10)-pinen-3-ol. Piperidine. Piperine. *d-*Piperitone; *p-*menth-1-en-3-one. Piperitenone; *p-*mentha-1,4(8)-dien-3-one. Piperitenone oxide; 1,2-epoxy*-p-*menth-4-(8)-en-3-one. Piperonyl acetate; heliotropyl acetate. Piperonyl isobutyrate. Polylimonene. Polysorbate 20; polyoxyethylene (20) sorbitan monolaurate. Polysorbate 60; polyoxyethylene (20) sorbitan monostereate. Polysorbate 80; polyoxyethylene (20) sorbitan monooleate. Potassium acetate. Propenylguaethol; 6-ethoxy*-m-*anol. Propionaldehyde. Propyl acetate. Propyl alcohol; 1-propanol. *p-*Propyl anisole; dihydroanethole. Propyl benzoate. Propyl butyrate. Propyl cinnamate. Propyl disulfide. Propyl formate. Propyl 2-furanacrylate. Propyl heptanoate. Propyl hexanoate. Propyl *p-*hydroxybenzoate; propylparaben. 3-Propylidenephthalide. Propyl isobutyrate. Propyl isovalerate. Propyl mercaptan. α-Propylphenethyl alcohol. Propyl phenylacetate. Propyl propionate. Pyroligneous acid extract. Pyruvaldehyde. Pyruvic acid. Rhodinol; 3,7-dimethyl-7-octen-1-ol; *l-*citronellol. Rhodinyl acetate. Rhodinyl butyrate. Rhodinyl formate. Rhodinyl isobutyrate. Rhodinyl isovalerate. Rhodinyl phenylacetate. Rhodinyl propionate. Rum ether; ethyl oxyhydrate. Salicylaldehyde. Santalol, α and β. Santalyl acetate. Santalyl phenylacetate. Skatole. Sorbitan monostearate. Sucrose octaacetate. α-Terpinene. γ-Terpinene. α-Terpineol; *p-*menth-1-en-8-ol. β-Terpineol. Terpinolene; *p-*menth-1,4(8)-diene. Terpinyl acetate. Terpinyl anthranilate. Terpinyl butyrate. Terpinyl cinnamate. Terpinyl formate. Terpinyl isobutyrate. Terpinyl isovalerate. Terpinyl propionate. Tetrahydrofurfuryl acetate. Tetrahydrofurfuryl alcohol. Tetrahydrofurfuryl butyrate. Tetrahydrofurfuryl propionate. Tetrahydro-pseudo-ionone; 6,10-dimethyl-9-undecen-2-one. Tetrahydrolinalool; 3,7-dimethyloctan-3-ol. Tetramethyl ethylcyclohexenone; mixture of 5-ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one and 5-ethyl-3,4,5,6-tetramethyl-2-cyclohexen-1-one. 2-Thienyl mercaptan; 2-thienylthiol. Thymol. Tolualdehyde glyceryl acetal, mixed *o, m, p.* Tolualdehydes, mixed *o, m, p.* *p-*Tolylacetaldehyde. *o-*Tolyl acetate; *o-*cresyl acetate. *p-*Tolyl acetate; *p-*cresyl acetate. 4-(*p-*Tolyl)-2-butanone; *p-*methylbenzylacetone. *p-*Tolyl isobutyrate. *p-*Tolyl laurate. *p-*Tolyl phenylacetate. 2-(*p-*Tolyl)-propionaldehyde; *p-*methylhydratropic aldehyde. Tributyl acetylcitrate. 2-Tridecenal. 2,3-Undecadione; acetyl nonyryl. γ-Undecalactone; 4-hydroxyundecanoic acid γ-lactone; peach aldehyde; aldehyde C-14. Undecenal. 2-Undecanone; methyl nonyl ketone. 9-Undecenal; undecenoic aldehyde. 10-Undecenal. Undecen-1-ol; undecylenic alcohol. 10-Undecen-1-yl acetate. Undecyl alcohol. Valeraldehyde; pentanal. Valeric acid; pentanoic acid. Vanillin acetate; acetyl vanillin. Veratraldehyde. Verbenol; 2-pinen-4-ol. Zingerone; 4-(4-hydroxy-3-methoxyphenyl)-2-butanone.
( c ) Δ-Decalactone and Δ-dodecalactone when used separately or in combination in oleomargarine are used at levels not to exceed 10 parts per million and 20 parts per million, respectively, in accordance with § 166.110 of this chapter.
( d ) BHA (butylated hydroxyanisole) may be used as an antioxidant in flavoring substances whereby the additive does not exceed 0.5 percent of the essential (volatile) oil content of the flavoring substance.
[42 FR 14491, Mar. 15, 1977, as amended at 42 FR 23148, May 6, 1977; 43 FR 19843, May 9, 1978; 45 FR 22915, Apr. 4, 1980; 47 FR 27810, June 25, 1982; 48 FR 10812, Mar. 15, 1983; 48 FR 51907, Nov. 15, 1983; 49 FR 5747, Feb. 15, 1984; 50 FR 42932, Oct. 23, 1985; 54 FR 7402, Feb. 21, 1989; 61 FR 14245, Apr. 1, 1996; 69 FR 24511, May 4, 2004; 83 FR 50490, 50503, Oct. 9, 2018]