Articles:
| US Patents: | 3,931,166 - Certain 2,5-dimethyl-3-thiopyrazines |
quinoxaline, 2,3-dimethyl-
Notes:
None found
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BOC Sciences Best of Chemicals Supplier Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. BOC Sciences provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services. BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services spans the entire molecule development pipeline including contract research for target identification, building blocks, compound synthesis, biochemical and cellular analysis, preclinical animal tests, and clinical studies. Email: Marketing US Email: Marketing Email: Sales US Email: Sales Voice: 1-631-485-4226 Fax: 1-631-614-7828 US Voice: 1-631-485-4226 US Fax: 1-631-614-7828 Europe 44-203-286-1088 Facebook Twitter Linkedin Blog Get the App! Product(s): 2379-55-7 2,3-Dimethylquinoxaline
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Endeavour Specialty Chemicals Ltd Expertise in high impact aroma chemicals Endeavour Speciality Chemicals offers high-impact aroma chemicals, at small to medium scale. Speciality Chemical has more than 25 years experience of manufacturing high-impact aroma chemicals. With our core expertise in sulfur and heterocyclic chemistries, Endeavours products have applications in a range of industry sectors including flavours and fragrances, pharmaceutical research and material sciences. Endeavour also offer custom synthesis and contract manufacturing services at their UK manufacturing site. Email: Info Email: Sales Voice: +44 (0)1327 310 079 Fax: +44 (0)1327 310 701 Twitter Linkedin News Speciality Chemical Product Groups Product(s): QU0030 2,3-Dimethylquinoxaline 97% F&F
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Penta International Corporation Chemistry innovation At Penta, our products and services help businesses do business better. For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes. US Email: Technical Services US Email: Sales US Voice: (973) 740-2300 US Fax: (973) 740-1839 Product(s): 04-67700 2,3-DIMETHYL QUINOXALINE
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Robinson Brothers Limited Providing Excellence in Chemistry Award-winning UK chemical manufacturer of chemical intermediates and high-impact aroma chemicals. Based in the UK, Robinson Brothers is an award-winning chemical manufacturer of chemical intermediates and high-impact aroma chemicals. Robinson Brothers serve many industry sectors across the globe, include: flavour/fragrance, pharmaceutical, agrochemical and material sciences. Our team of Chemists are experts in custom synthesis, contract manufacture and process optimisation. Email: Info Email: Sales Voice: +44 (0)121 553 2451 Fax: +44 (0)121 500 5183 Twitter Linkedin News And Exhibitions Custom Synthesis Industries And Applications https://www.robinsonbrothers.uk/chemistry-competences Products List: View Product(s): QU0030 2,3-Dimethylquinoxaline F&F
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TCI AMERICA Moving Your Chemistry Forward We continuously strive to advance our technology. With East & West Coast distribution centers, count on TCI to deliver products quickly and reliably. Over 30,000 Reagents available today in benchtop to bulk quantities. We also offer custom synthesis solutions. Sign up for a TCI account today for fast and free shipping! Tokyo Chemical Industry Co., Ltd. (TCI) is a leading worldwide manufacturer of specialty organic chemicals founded in 1946. TCI provides organic laboratory chemicals as well as pharmaceutical, cosmetic and functional materials. More than 70 years of synthesis experience and multi-purpose plants enable TCI to offer more than 30,000 products as well as custom synthesis. US Email: Sales Email: Technical Support Voice: 1-800-423-8616 Fax: 1- 888-520-1075 Facebook Twitter Instagram Linkedin Product(s): D0795 2,3-Dimethylquinoxaline >98.0%(T)
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R C Treatt and Co Ltd Innovative ingredient solutions World-leading innovative ingredient solutions provider for the flavour, fragrance and FMCG industries. We offer innovative and trend-setting product concepts for our customers, collaborating with them to create true value for their products. Email: Enquiries US Email: Enquiries Voice: +44 (0) 1284 702500 Fax: +44 (0) 1284 703809 US Voice: +1 863 668 9500 US Fax: +1 863 668 3388 Twitter Linkedin Youtube News Product(s): 2,3-Dimethylquinoxaline
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| CAS Number: | 2379-55-7 |  3D/inchi
|
| ECHA EINECS - REACH Pre-Reg: | 219-162-0 | |
| FDA UNII: | 4K2NH2OBE9 | |
| Nikkaji Web: | J3.709E | |
| Beilstein Number: | 0114832 | |
| MDL: | MFCD00006728 | |
| XlogP3-AA: | 2.00 (est) | |
| Molecular Weight: | 158.20370000 | |
| Formula: | C10 H10 N2 | |
| BioActivity Summary: | listing | |
| NMR Predictor: | Predict (works with chrome or firefox) | |
Category: flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
| Google Scholar: | Search |
| Google Books: | Search |
| Google Scholar: with word "volatile" | Search |
| Google Scholar: with word "flavor" | Search |
| Google Scholar: with word "odor" | Search |
| Perfumer and Flavorist: | Search |
| Google Patents: | Search |
| US Patents: | Search |
| EU Patents: | Search |
| Pubchem Patents: | Search |
| PubMed: | Search |
| NCBI: | Search |
| DG SANTE Food Flavourings: | 14.108 2,3-dimethylquinoxaline |
Physical Properties:
| Appearance: | pale yellow crystalline solid (est) |
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Melting Point: | 104.00 to 108.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 257.00 to 259.00 °C. @ 760.00 mm Hg |
| Vapor Pressure: | 0.024000 mmHg @ 25.00 °C. (est) |
| Flash Point: | 221.00 °F. TCC ( 105.00 °C. ) |
| logP (o/w): | 2.024 (est) |
| Soluble in: | |
| alcohol | |
| water, 902.5 mg/L @ 25 °C (est) | |
| Insoluble in: | |
| water | |
Organoleptic Properties:
| Odor Type: earthy | |
| fatty earthy | |
| Odor Description: at 0.01 % in propylene glycol. | fatty earthy |
| Flavor Type: astringent | |
| astringent fatty earthy | |
| Taste Description: | astringent fatty earthy |
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| None found |
Suppliers:
| BOC Sciences |
| For experimental / research use only. |
| 2,3-Dimethylquinoxaline |
| Endeavour Specialty Chemicals |
| 2,3-Dimethylquinoxaline 97% F&F |
| Speciality Chemical Product Groups |
| Penta International |
| 2,3-DIMETHYL QUINOXALINE |
| R C Treatt & Co Ltd |
| 2,3-Dimethylquinoxaline |
| Robinson Brothers |
| 2,3-Dimethylquinoxaline F&F |
| https://www.robinsonbrothers.uk/chemistry-competences |
| Sigma-Aldrich: Aldrich |
| For experimental / research use only. |
| 2,3-Dimethylquinoxaline 97% |
| TCI AMERICA |
| For experimental / research use only. |
| 2,3-Dimethylquinoxaline >98.0%(T) |
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 (05.0): | - | - | |
| 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 |
References:
| 2,3-dimethylquinoxaline | |
| NIST Chemistry WebBook: | Search Inchi |
| Canada Domestic Sub. List: | 2379-55-7 |
| Pubchem (cid): | 16925 |
| Pubchem (sid): | 134981591 |
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 |
Potential Blenders and core components note
Potential Uses:
| None Found |
Occurrence (nature, food, other): note
| cocoa roasted Search Trop Picture | |
| coffee Search PMC Picture |
Synonyms:
| 2,3- | dimethyl-quinoxaline |
| 2,3- | dimethylquinoxaline |
| 2,3- | dimethylquinozaline |
| quinoxaline, 2,3-dimethyl- |