Flavouring Substances
Chemical Group 20

Chemical Group 20

Aliphatic and aromatic mono- and di- thiols and mono-, di-, tri-, and polysulfides with or without additional oxygenated functional groups.

FL No	Chemical group	CAS	Name	FEMA	COE	EINECS
12.001	20	3268-49-3	3-(Methylthio)propionaldehyde	2747	125	221-882-5
12.002	20	13532-18-8	Methyl 3-(methylthio)	2720	428	236-883-6
12.003	20	74-93-1	Methanethiol	2716	475	200-822-1
12.004	20	870-23-5	Allylthiol	2035	476	212-792-7
12.005	20	100-53-8	Phenylmethanethiol	2147	477	202-862-5
12.006	20	75-18-3	Dimethyl sulfide	2746	483	200-846-2
12.007	20	544-40-1	Dibutyl sulfide	2215	484	208-870-5
12.008	20	2179-57-9	Diallyl disulfide	2028	485	218-548-6
12.009	20	2050-87-5	Diallyl trisulfide	3265	486	218-107-8
12.01	20	109-79-5	Butane-1-thiol	3478	526	203-705-3
12.012	20	110-81-6	Diethyl disulfide		533	203-805-7
12.013	20	3658-80-8	Dimethyl trisulfide	3275	539	222-910-9
12.014	20	629-19-6	Dipropyl disulfide	3228	540	211-079-8
12.015	20	111-47-7	Dipropyl sulfide		541	203-873-8
12.016	20	625-80-9	Di-isopropyl sulfide		542	210-911-7
12.017	20		Ethanethiol		546	200-837-3
12.018	20	625-60-5	S-Ethyl acetothioate	3282	11665	210-904-9
12.019	20	2179-60-4	Methyl propyl disulfide	3201	585	218-551-2
12.02	20	17619-36-2	Methyl propyl trisulfide	3308	586	241-594-3
12.021	20	2179-59-1	Allyl propyl disulfide		600	218-550-7
12.022	20	4532-64-3	Butane-2,3-dithiol	3477	725	224-870-8
12.023	20	6028-61-1	Dipropyl trisulfide	3276	726	227-903-4
12.024	20	37887-04-0	3-Mercaptobutan-2-ol	3502	760	253-701-0
12.026	20	624-92-0	Dimethyl disulfide	3536	2175	210-871-0
12.027	20	137-06-4	2-Methylbenzene-1-thiol	3240	2272	205-276-8
12.028	20	2550-40-5	Dicyclohexyl disulfide	3448	2320	219-851-6
12.029	20	1679-07-8	Cyclopentanethiol	3262	2321	216-841-3
12.031	20	67633-97-0	3-Mercaptopentan-2-one	3300	2327	266-799-5
12.032	20	2432-51-1	S-Methyl butanethioate	3310	2328	219-407-1
12.033	20	91-60-1	Naphthalene-2-thiol	3314	2330	202-082-5
12.034	20	1191-62-4	Octane-1,8-dithiol	3514	2331	214-738-8
12.035	20		2-,3-and 10-Mercapto-pinane	3503	2332	2459006
12.036	20	54957-02-7	3-[(2-Mercapto-1-methylpropyl)thio]butan-2-ol	3509	2353
12.037	20	2179-58-0	Allyl methyl disulfide	3127	11866	218-549-1
12.038	20	38462-22-5	8-Mercapto-p-menthan-3-one	3177	11789	253-953-1
12.039	20	79-42-5	2-Mercaptopropionic acid	3180	11790	201-206-5
12.04	20	23328-62-3	2-Methylthioacetal-dehyde	3206	11686	245-587-6
12.041	20	13678-58-5	1-(Methylthio)butan-2-one	3207	11543	237-169-7
12.042	20	1073-29-6	2-(Methylthio)phenol	3210	11553	214-027-2
12.043	20	882-33-7	Diphenyl disulfide	3225	11757	212-926-4
12.044	20	5905-46-4	Prop-1-enyl propyl disulfide	3227	11699	227-604-9
12.045	20	34135-85-8	Methyl allyl trisulfide	3253	11867	251-843-8
12.046	20	19788-49-9	Ethyl 2-mercaptopro-pionate	3279	11469	243-314-5
12.047	20	40789-98-8	3-Mercaptobutan-2-one	3298	11497	255-082-2
12.048	20	1878-18-8	2-Methylbutane-1-thiol	3303	11509	217-515-3
12.049	20	2084-18-6	3-Methylbutane-2-thiol	3304	11510	218-223-9
12.052	20	40790-04-3	Di-(3-oxobutyl) sulfide	3335	11441
12.053	20	13327-56-5	Ethyl 3-(methylthio) propionate	3343	11476	236-370-7
12.054	20	4500-58-7	2-(Ethylthio)phenol	3345	11666	224-811-6
12.055	20	34619-12-0	4-Mercaptobutan-2-one	3357	11498
12.056	20	16630-52-7	3-(Methylthio)butanal	3374	11687	240-678-7
12.057	20	34047-39-7	4-(Methylthio)butan-2-one	3375	11688	251-810-8
12.058	20	23550-40-5	4-(Methylthio)-4-methyl-pentan-2-one	3376	11551	245-727-6
12.059	20	2307-10-0	Propyl thioacetate	3385	11576	218-984-7
12.06	20	53053-51-3	Methyl 4-(methylthio) butyrate	3412	11526	258-328-7
12.061	20	42919-64-2	4-(Methylthio)butanal	3414	11542	256-001-3
12.062	20	505-10-2	3-(Methylthio)propan-1-ol	3415	11554	208-004-6
12.063	20	51755-66-9	3-(Methylthio)hexan-1-ol	3438	11548	257-380-8
12.064	20	39067-80-6	Thiogeraniol	3472	11583	254-269-6
12.065	20	59902-01-1	2,8-Dithianon-4-en-4-carboxaldehyde	3483	11904	261-978-4
12.066	20	540-63-6	Ethane-1,2-dithiol	3484	11467	208-752-3
12.067	20	1191-43-1	Hexane-1,6-dithiol	3495	11486	214-735-1
12.068	20	699-10-5	Benzyl methyl disulfide	3504	11508	211-826-8
12.069	20	3489-28-9	Nonane-1,9-dithiol	3513	11558	222-482-3
12.07	20	814-67-5	Propane-1,2-dithiol	3520	11564	212-398-5
12.071	20	107-03-9	1-Propane-1-thiol	3521	11816	203-455-5
12.072	20	16128-68-0	Butane-1,2-dithiol	3528	11909	240-290-8
12.073	20	24330-52-7	Butane-1,3-dithiol	3529	11910	246-172-2
12.074	20	72869-75-1	Diallyl polysulfides	3533	11912
12.075	20	5905-47-5	Methyl prop-1-enyl disulfide	3576	11712	227-605-4
12.076	20	109-80-8	Propane-1,3-dithiol	3588	11929	203-706-9
12.077	20	766-92-7	Benzyl methyl sulfide	3597		212-174-7
12.078	20	20582-85-8	4-(Methylthio)butan-1-ol	3600
12.079	20	40878-72-6	2-(Methylthiomethyl) but-2-enal	3601	11549	255-126-0
12.08	20	108-98-5	Thiophenol	3616	11585	203-635-3
12.081	20	150-60-7	Dibenzyl disulfide	3617		205-764-0
12.082	20	118-72-9	2,6-(Dimethyl)thio-phenol	3666		204-272-3
12.083	20		Ethyl 3-mercaptopro-pionate	3677		226-771-5
12.084	20	22014-48-8	Ethyl 4-(methylthio) butyrate	3681		244-720-5
12.085	20	71159-90-5	p-Menth-1-ene-8-thiol	3700		275-223-1
12.086	20	51534-66-8	Methyl 2-(methylthio) butyrate	3708		255-648-9
12.087	20	65887-08-3	2-(Methylthiomethyl)-3-phenylpropenal	3717
12.088	20	592-88-1	Diallyl sulfide	2042	11846	209-775-1
12.089	20		Ethyl 3-(methylthio) butyrate	3836	11475
12.092	20		Diallyl pentasulfide	3533	11912
12.093	20		Diallyl hexasulfide	3533	11912
12.094	20		Diallyl heptasulfide	3533	11912
12.096	20	10152-76-8	Allyl methyl sulfide		11429	233-422-0
12.097	20	90195-83-8	Allyl methyl tetrasulfide
12.098	20	33368-82-0	Allyl prop-1-enyl disulfide		11433
12.099	20	33922-70-2	Allyl propyl sulfide		11434
12.1	20	33922-73-5	Allyl propyl trisulfide		11435
12.101	20	41820-22-8	Allyl thiopropionate	3329	11436
12.103	20	1191-08-8	Butane-1,4-dithiol			214-728-3
12.104	20	513-53-1	Butane-2-thiol			208-165-2
12.106	20	2432-91-9	S-2-Butyl 3-methylbuta-nethioate			219-416-0
12.108	20	68084-03-7	Di-isopentyl thiomalate		11454	268-416-7
12.109	20	4253-89-8	Di-isopropyl disulfide	3827	11455	224-225-0
12.11	20	2444-49-7	Diallyl tetrasulfide		11449	219-485-7
12.111	20	629-45-8	Dibutyl disufide			211-091-3
12.112	20	5943-31-7	Dibutyl trisulfide
12.113	20	352-93-2	Diethyl sulfide	3825	11450	206-526-9
12.114	20	3600-24-6	Diethyl trisulfide		11451	222-754-1
12.115	20	420-12-2	Diethylene sulfide			206-993-9
12.116	20	5756-24-1	Dimethyl tetrasulfide		11459	227-278-8
12.117	20	872-10-6	Dipentyl sulfide			212-820-8
12.118	20	1618-26-4	2,4-Dithiapentane	3878		216-577-9
12.12	20	68398-18-5	2,8-Epithio-p-menthane			269-970-2
12.121	20	23747-43-5	Ethyl 2-(methyldithio) propionate	3834	11471	245-862-0
12.122	20	4455-13-4	Ethyl 2-(methylthio) acetate	3835		224-700-2
12.124	20	638-46-0	Ethyl butyl sulfide
12.125	20	2432-42-0	Ethyl propanethioate			219-405-0
12.126	20	30453-31-7	Ethyl propyl disulfide		11478
12.127	20	4110-50-3	Ethyl propyl sulfide		11479	223-890-4
12.128	20	7341-17-5	2-Ethylhexane-1-thiol	3833		230-854-1
12.129	20	18721-61-4	3-(Ethylthio)propan-1-ol			242-534-9
12.13	20	1639-09-4	Heptane-1-thiol		11485	216-678-8
12.132	20	111-31-9	Hexane-1-thiol	3842	11487	203-857-0
12.134	20	34365-79-2	S-Isopropyl 3-methylbut-2-enethioate			251-966-7
12.135	20	26473-47-2	3-Mercapto-2-methylpro-pionic acid			247-726-6
12.136	20	2464-23-5	3-Mercapto-2-oxopro-pionic acid
12.137	20	34300-94-2	3-Mercapto-3-methylbutan-1-ol	3854
12.138	20	50746-10-6	3-Mercapto-3-methylbutyl formate	3855
12.139	20	7217-59-6	2-Mercaptoanisole		11880	230-605-7
12.141	20	23832-18-0	2-Mercaptopinane	3503	2332	245-900-6
12.142	20	72361-41-2	3-Mercaptopinane	3503	2332	276-598-4
12.143	20	24653-75-6	1-Mercaptopropan-2-one	3856
12.145	20	94087-83-9	4-Methoxy-2-methyl-butane-2-thiol	3785		301-977-9
12.146	20	16630-66-3	Methyl (methylthio) acetate		11525	240-683-4
12.148	20	61122-71-2	S-Methyl 4-methylpenta-nethioate	3867
12.149	20	1534-08-3	S-Methyl acetothioate	3876		216-252-1
12.15	20	5925-68-8	S-Methyl benzothioate	3857	11505	227-656-2
12.151	20	60779-24-0	Methyl butyl disulfide
12.152	20	628-29-5	Methyl butyl sulfide			211-034-2
12.153	20	20333-39-5	Methyl ethyl disulfide		11470
12.154	20	624-89-5	Methyl ethyl sulfide	3860	11474	210-868-4
12.155	20	31499-71-5	Methyl ethyl trisulfide	3861
12.156	20	20756-86-9	S-Methyl hexanethioate	3862	11515
12.157	20	23747-45-7	S-Methyl isopenta-nethioate	3864	11506	245-863-6
12.158	20	5897-45-0	Methyl isoprenyl sulfide
12.159	20	2949-92-0	Methyl methanethiosul-fonate		11520	220-970-0
12.161	20	14173-25-2	Methyl phenyl disulfide	3872	11532	238-020-9
12.162	20	100-68-5	Methyl phenyl sulfide	3873	11533	202-878-2
12.163	20	10152-77-9	Methyl prop-1-enyl sulfide		11538
12.164	20	33368-80-8	Methyl prop-1-enyl trisulfide		11539
12.165	20	5925-75-7	S-Methyl propanethioate
12.166	20	3877-15-4	Methyl propyl sulfide		11541	223-403-5
12.167	20	87148-08-1	Methyl propyl tetra-sulfide			289-302-3
12.168	20	67952-60-7	2-Methyl-2-(methyl-dithio)propanal	3866		267-914-1
12.169	20	19872-52-7	2-Methyl-4-oxopentane-2-thiol		11500	243-386-8
12.17	20	5287-45-6	3-Methylbut-2-ene-1-thiol	3896	11511
12.171	20	541-31-1	3-Methylbutane-1-thiol	3858		208-774-3
12.172	20	1679-09-0	2-Methylbutane-2-thiol			216-843-4
12.173	20	513-44-0	2-Methylpropane-1-thiol		11536	208-162-6
12.174	20	75-66-1	2-Methylpropane-2-thiol		11537	200-890-2
12.175	20	67-68-5	Methylsulfinylmethane	3875		200-664-3
12.176	20	583-92-6	4-(Methylthio)-2-oxobutyric acid	3881
12.177	20	32637-94-8	8-(Methylthio)-p-menthan-3-one
12.178	20	16630-65-2	3-(Methylthio)butyric acid			240-682-9
12.179	20	5271-38-5	2-(Methylthio)ethan-1-ol		11545	226-090-3
12.18	20	31331-53-0	1-(Methylthio)ethane-1-thiol
12.181	20	66735-69-1	1-(Methylthio)pentan-3-one
12.182	20	58809-73-7	2-(Methylthio)propionic acid			261-450-3
12.183	20	646-01-5	3-(Methylthio)propionic acid			211-460-9
12.187	20	74758-93-3	Methylthiomethyl butyrate	3879		277-989-2
12.188	20	74758-91-1	Methylthiomethyl hexanoate	3880		277-988-7
12.189	20	77974-85-7	S-(Methylthiomethyl) 2-methylpropanethioate
12.191	20	110-66-7	Pentane-1-thiol			203-789-1
12.192	20	2084-19-7	Pentane-2-thiol	3792		218-224-4
12.194	20	4410-99-5	2-Phenylethane-1-thiol	3894	11561	224-563-9
12.195	20	33049-93-3	S-Prenyl thioacetate	3895
12.196	20	53626-94-1	S-Prenyl thioisobutyrate
12.197	20	75-33-2	Propane-2-thiol	3897	11565	200-861-4
12.198	20		2,3,5-Trithiahexane
12.199	20	507-09-5	Ethanethioic acid			208-063-8
12.2	20	14252-42-7	1,1-bis(Ethylthio)-ethane
12.201	20	94293-57-9	8-Acetylthio-p-menthanone-3	3809		304-949-4
12.203	20	74586-09-7	Methylthio 2-(acetyloxy)propionate	3788		277-931-6
12.205	20	4124-63-4	Mercaptoacetaldehyde			223-929-5
12.211	20		But-1-enyl methylsulphide	3820
12.212	20		Ethyl-5-(methylthio)valerate
12.214	20	127931-21-9	Isobutyl-3-(methylthio)butyrate
12.221	20		S-Prenyl thioisopen-tanoate
12.227	20		Methylthio-2-(propio-nyloxy)propionate	3790
12.234	20	136954-20-6	3-Mercaptohexyl acetate	3851
12.235	20	136954-21-7	3-Mercaptohexyl butyrate	3852
12.236	20	51755-85-2	3-(Methylthio)hexyl acetate	3789
12.237	20	16630-55-0	3-(Methylthio)propyl acetate	3883		240-679-2
12.238	20	227456-27-1	3-Mercapto-2-methyl-pentan-1-ol	3996
12.239	20	227456-28-2	3-Mercapto-2-methyl-pentanal	3994
12.24	20	6540-86-9	2,4,6-Trithiaheptane
12.241	20	258823-39-1	2-Mercapto-2-methyl-pentan-1-ol	3995
12.242	20	29414-47-9	Methylthiomethylmer-captan
12.243	20	6725-64-0	Dimercaptomethane
12.244	20	14109-72-9	1-Methylthio-2-propanone	3882
12.245	20		1,3-Dimercapto-2-thia-propane
12.246	20		1-(Methylthio) hexan-3-one
12.247	20	61837-77-2	1-(Methylthio) octan-3-one
12.248	20	5862-47-5	2-(Methylthio) ethyl acetate
12.249	20	227456-27-1	3-Mercapto-2-methyl-pentanol (mixture of stereo isomers)	3996
12.25	20	51755-72-7	3-Mercaptohexanal
12.251	20	136954-22-8	3-Mercaptohexyl hexanoate	3853
12.252	20	31539-84-1	4-Mercapto-4-methyl-2-pentanol
12.253	20	72437-68-4	Amyl methyl disulfide
12.254	20	63986-03-8	Butyl ethyl disulfide
12.255	20	156472-94-5	Ethyl 3-mercaptobutyrate	3977
12.256	20	31499-70-4	Ethyl propyl trisulfide
12.257	20	104228-51-5	Ethyl 4-(acetylthio) butyrate	3974
12.259	20	29725-66-4	p-menthan-3-one, 1 mercapto
12.26	20	4131-76-4	Methyl-2-methyl-3-mercaptopropionate			223-949-4
12.261	20	6725-64-0	Methanedithiol
12.262	20	29414-47-9	(Methylthio)metha-nethiol
12.263	20		3-Mercapto-3-methyl-butanal
12.264	20	92585-08-5	4,2-Thiopentanone
15.006	20	55704-78-4	2,5-Dihydroxy-2,5-dimethyl-1,4-dithiane	3450	2322	259-770-3
15.007	20	38325-25-6	spiro(2,4-Dithia-1-methyl-8-oxa-bicyclo [3.3.0]octane-3,3'-(1'-oxa-2'-methyl)-cyclo-pentane) and spiro (Dithia-6-methyl-7-oxa-bicyclo[3.3.0]octane-3,3'-(1'-oxa-2-methyl) cyclopentane)	3270	2325	253-884-7
15.009	20	828-26-2	Trithioacetone	3475	2334	212-582-5
15.025	20	23654-92-4	3,5-Dimethyl-1,2,4-trithiolane	3541	11883	245-808-6
15.034	20	5616-51-3	2-Methyl-1,3-dithiolane	3705		227-038-2
15.036	20	43040-01-3	3-Methyl-1,2,4-trithiane	3718		256-056-3
15.047	20	92900-67-9	3,5-Di-isobutyl-1,2,4-trithiolane
15.048	20	54934-99-5	3,5-Di-isopropyl-1,2,4-trithiolane
15.049	20	54644-28-9	3,5-Diethyl-1,2,4-trithiolane
15.056	20	67411-27-2	3,6-Dimethyl-1,2,4,5-tetrathiane
15.066	20	505-29-3	1,4-Dithiane	3831		208-007-2
15.081	20	292-46-6	Lenthionine		11619
15.083	20	51647-38-2	3-Methyl-1,2,4-trithiolane
15.102	20	110-01-0	Tetrahydrothiophene			203-728-9
15.103	20	291-22-5	1,2,4,5-Tetrathiane
15.11	20	2765-04-0	2,4,6-Trimethyl-1,3,5-trithiane
15.111	20	289-16-7	1,2,4-Trithiolane
15.123	20	53897-58-5	2,4,6-Triethyl-1,3,5-trithiane
16.03	20	67715-80-4	2-Methyl-4-propyl-1,3-oxathiane	3578	11540
16.057	20	72472-02-7	2,4,4-Trimethyl-1,3-oxathiane
16.062	20	59324-17-3	trans-2-Methyl-4-propyl-1,3-oxathiane			261-700-1
16.085	20	27959-66-6	4,4-Dimethyl-1,3-oxathiane