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2,3-dimethyl quinoxaline
General Material Information
| Preferred name | 2,3-dimethyl quinoxaline |
| Trivial Name | 2,3-Dimethylquinoxaline |
| Short Description | quinoxaline, 2,3-dimethyl- |
| Formula | C10 H10 N2 |
| CAS Number | 2379-55-7 |
| Flavis Number | 14.108 |
| ECHA Number | 219-162-0 |
| FDA UNII | 4K2NH2OBE9 |
| Nikkaji Number | J3.709E |
| Beilstein Number | 0114832 |
| MDL | MFCD00006728 |
| xLogP3-AA | 2.00 (est) |
| Bio Activity Summary | External link |
| NMR Predictor | External link |
| Synonyms |
|
US / EU / FDA / JECFA / FEMA / Scholar / Patents
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| NCBI | Start search |
Literature & References
| 2,3-dimethylquinoxaline | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 2379-55-7 |
| Pubchem (cid): | 16925 |
| Pubchem (sid): | 134981591 |
| Publications by US Patents | |
| 3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines | |
Other Information
| (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 |
| CHEBI: | View |
| CHEMBL: | View |
| HMDB (The Human Metabolome Database): | Search |
| Export Tariff Code: | 2933.99.8210 |
| VCF-Online: | VCF Volatile Compounds in Food |
| ChemSpider: | View |
Suppliers
PhysChem Properties
| Material listed in food chemical codex | No |
| Molecular weight | 158.20370483398 |
| Melting Point | 104 to 108°C @ 760 mm Hg |
| Boiling Point | 257 to 259°C @ 760 mm Hg |
| Vapor Pressure | 0.024 mmHg @ 25 °C |
| Flash Point TCC Value | 105 °C TCC |
| logP (o/w) | 2.024 est |
| Solubility | |
| alcohol | Yes |
| water, 902.5 mg/L @ 25 °C (est) | Yes |
| water | No |
Organoleptic Properties
| Odor Type: Earthy | |
| fatty, earthy | |
| General comment | At 0.01 % in propylene glycol. fatty earthy |
| Flavor Type: Astringent | |
| astringent, fatty, earthy | |
| General comment | Astringent fatty earthy |
Occurrences
| (data available) |
Safety Information
Safety information
| Preferred SDS: View | |
| European information : | |
| Most important hazard(s): | |
| Xn - Harmful. | |
| R 22 - Harmful if swallowed. 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 20/21 - When using do not eat, drink or smoke. S 23 - Do not breath vapour. 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 36/37/39 - Wear suitable clothing, 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: | |
| intravenous-mouse LD50 180 mg/kg U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00809 | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in use information
| Category: | |||
| flavoring agents | |||
| Recommendation for 2,3-dimethyl quinoxaline usage levels up to: | |||
| not for fragrance use. | |||
| Maximised Survey-derived Daily Intakes (MSDI-EU): | 0.049 (μg/capita/day) | ||
| Modified Theoretical Added Maximum Daily Intake (mTAMDI): | 190 (μg/person/day) | ||
| Threshold of Concern: | 90 (μg/person/day) | ||
| Structure Class: | III | ||
| Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFSA, 2002i). | |||
| Note: mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm. | |||
| average usage mg/kg | maximum usage mg/kg | ||
| Dairy products, excluding products of category 02.0 (01.0): | 0.40000 | 2.00000 | |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0): | 0.10000 | 0.50000 | |
| Edible ices, including sherbet and sorbet (03.0): | 0.40000 | 2.00000 | |
| Processed fruit (04.1): | 0.40000 | 2.00000 | |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): | - | - | |
| Confectionery (05.0): | 1.00000 | 5.00000 | |
| Chewing gum (05.3): | - | - | |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): | 0.20000 | 1.00000 | |
| Bakery wares (07.0): | 0.20000 | 1.00000 | |
| Meat and meat products, including poultry and game (08.0): | 0.10000 | 0.40000 | |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): | 0.10000 | 0.40000 | |
| Eggs and egg products (10.0): | - | - | |
| Sweeteners, including honey (11.0): | - | - | |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0): | 0.10000 | 0.50000 | |
| Foodstuffs intended for particular nutritional uses (13.0): | 0.20000 | 1.00000 | |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1): | 0.20000 | 1.00000 | |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): | 1.00000 | 5.00000 | |
| Ready-to-eat savouries (15.0): | 1.00000 | 5.00000 | |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): | 0.20000 | 1.00000 | |
Safety references
| 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): |
| Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000) View page or View pdf |
| Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) View page or View pdf |
| Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1] View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24 View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010) View page or View pdf |
| Scientific Opinion on Flavouring Group Evaluation 17, Revision 3 (FGE.17Rev3): Pyrazine derivatives from chemical group 24 View page or View pdf |
| EPI System: View |
| AIDS Citations:Search |
| Cancer Citations:Search |
| Toxicology Citations:Search |
| EPA Substance Registry Services (TSCA):2379-55-7 |
| EPA ACToR:Toxicology Data |
| EPA Substance Registry Services (SRS):Registry |
| Laboratory Chemical Safety Summary :16925 |
| National Institute of Allergy and Infectious Diseases:Data |
| WISER:UN 2811 |
| WGK Germany:3 |
| 2,3-dimethylquinoxaline |
| Chemidplus:0002379557 |
| RTECS:VD1960000 for cas# 2379-55-7 |