| Preferred name | ortho-thiocresol |
| Trivial Name | 2-Methylbenzenethiol |
| Short Description | o-toluenethiol |
| Formula | C7 H8 S |
| CAS Number | 137-06-4 |
| Deleted CAS Number | 1623130-96-0 |
| FEMA Number | 3240 |
| Flavis Number | 12.027 |
| ECHA Number | 205-276-8 |
| FDA UNII | 6FU2EGI4VS |
| Nikkaji Number | J5.627H |
| Beilstein Number | 0774068 |
| MDL | MFCD00004838 |
| COE Number | 2272 |
| NMR Predictor | External link |
| JECFA Food Flavoring | 528 o-toluenethiol |
| FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm | 137-06-4 ; O-TOLUENETHIOL |
| Synonyms |
|
| Google Scholar | Start search |
| Google Books | Start search |
| Google Patents | Start search |
| Perfumer & Flavorists | Start search |
| EU Patents | Start search |
| PubMeb | Start search |
| NCBI | Start search |
| 2-methylbenzenethiol | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 137-06-4 |
| Pubchem (cid): | 8712 |
| Pubchem (sid): | 134973398 |
| Publications by US Patents | |
| 3,952,024 - Furfurylthioacetone | |
| Certain 2,5-dimethyl-3-thiopyrazines | |
| Flavoring agent | |
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| FDA Substances Added to Food (formerly EAFUS): | View |
| CHEMBL: | View |
| HMDB (The Human Metabolome Database): | HMDB29634 |
| FooDB: | FDB000804 |
| Export Tariff Code: | 2930.90.9190 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
| FAO: | o-Toluenethiol |
| Material listed in food chemical codex | No |
| Molecular weight | 124.20575714111 |
| Specific gravity | @ 20 °C |
| Pounds per Gallon | 8.789 to 8.831 |
| Refractive Index | 1.579 to 1.582 @ 20 °C |
| Melting Point | 10 to 13°C @ 760 mm Hg |
| Boiling Point | 194 to 196°C @ 760 mm Hg |
| Vapor Pressure | 0.601 mmHg @ 25 °C |
| Flash Point TCC Value | 63.89 °C TCC |
| logP (o/w) | 2.87 est |
| Solubility | |
| alcohol | Yes |
| water, 167.9 mg/L @ 25 °C (est) | Yes |
| water | No |
| Odor Type: Meaty | |
| meaty, sulfurous, onion, garlic, eggy, rubbery, chemical, naphthyl, musty | |
| General comment | At 0.10 % in propylene glycol. meaty sulfurous onion garlic egg rubber |
| Mosciano, Gerard P&F 14, No. 6, 47, (1989) | Meaty,sulfuraceous, onion, garlic, egg, chemical, rubber, naphthyl and musty |
| Flavor Type: Meaty | |
| meaty, brothy, onion, garlic, chemical, metallic | |
| General comment | Meat broth |
| Mosciano, Gerard P&F 14, No. 6, 47, (1989) | At 4.00 ppm. Meaty, onion, garlic, chemical and metallic |
| Used in snack foods at | Meaty |
| (data available) |
| Applications | |
| Flavoring purposes | Beef , Coffee , Garlic , Meat , Onion , Savory , Soup |
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xi - Irritant | |
| R 37/38 - Irritating to respiratory system and skin. R 41 - Risk of serious damage to eyes. S 02 - Keep out of the reach of children. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 - Wear suitable gloves and eye/face protection. | |
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
| intraperitoneal-mouse LD50 100 mg/kg National Technical Information Service. Vol. AD277-689 | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
| Category: | |||
| flavoring agents | |||
| Recommendation for ortho-thiocresol usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 17.00 (μg/capita/day) | ||
| NOEL (No Observed Effect Level): | 0.51 (mg/kg bw per day) | ||
| Structure Class: | II | ||
| Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). | |||
| The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library | |||
| publication number: 4 | |||
| Click here to view publication 4 | |||
| average usual ppm | average maximum ppm | ||
| baked goods: | - | 0.20000 | |
| beverages(nonalcoholic): | - | - | |
| beverages(alcoholic): | - | - | |
| breakfast cereal: | - | - | |
| cheese: | - | - | |
| chewing gum: | - | - | |
| condiments / relishes: | - | - | |
| confectionery froastings: | - | - | |
| egg products: | - | - | |
| fats / oils: | - | - | |
| fish products: | - | - | |
| frozen dairy: | - | - | |
| fruit ices: | - | - | |
| gelatins / puddings: | - | - | |
| granulated sugar: | - | - | |
| gravies: | - | 0.20000 | |
| hard candy: | - | - | |
| imitation dairy: | - | - | |
| instant coffee / tea: | - | - | |
| jams / jellies: | - | - | |
| meat products: | - | - | |
| milk products: | - | - | |
| nut products: | - | - | |
| other grains: | - | - | |
| poultry: | - | - | |
| processed fruits: | - | - | |
| processed vegetables: | - | - | |
| reconstituted vegetables: | - | - | |
| seasonings / flavors: | - | - | |
| snack foods: | - | - | |
| soft candy: | - | - | |
| soups: | - | 0.20000 | |
| sugar substitutes: | - | - | |
| sweet sauces: | - | - | |
| European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
| European Food Safety Authority (EFSA) reference(s): |
| Flavouring Group Evaluation 8 (FGE.08)[1]: Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical group 20 View page or View pdf |
| Flavouring Group Evaluation 8, Revision 1 (FGE.08Rev1): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 08, Revision 4 (FGE.08Rev4): Aliphatic and alicyclic mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30 View page or View pdf |
| Scientific Opinion on the safety and efficacy of aliphatic and aromatic mono- and di-thiols and mono-, di-, tri-, and polysulphides with or without additional oxygenated functional groups (chemical group 20) when used as flavourings for all animal species View page or View pdf |
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):137-06-4 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :8712 |
| National Institute of Allergy and Infectious Diseases:Data |
| WGK Germany:3 |
| 2-methylbenzenethiol |
| Chemidplus:0000137064 |
| RTECS:XT8750000 for cas# 137-06-4 |