quinoxaline
benzo(a)pyrazine
 
Notes:
None found
  • Beijing Lys Chemicals
    • Beijing Lys Chemicals Co, LTD.
      From Grams to Tons
      Fine chemical high-tech company which contains R&D, production, and sales.
      BEIJING LYS CHEMICALS CO, LTD, established in 2004, is a fine chemical high-tech company which contains R&D, production, and sales. We mainly engaged in export and technology development of flavor and fragrance materials and pharmaceutical intermediates. We have nearly 500 kinds of products, from grams to tons, exported to USA, Europe, South Asia and etc. And we custom manufacture new products according to customers’ needs, and serve good quality products and service. Our goal is to become a fine chemical enterprise which could provide special products and services.
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      Product(s):
      10427 Quinoxaline
       
  • BOC Sciences
    • 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.
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      Product(s):
      91-19-0 quinoxaline 95%
       
  • M&U International
    • M&U International LLC
      Steady supply & demand
      Meeting customers increasing demands at home as well as abroad.
      M&U dedicates itself to the development and production of new products as well as continuously promoting those new products. We’ve maintained a steady supply&demand relationship with a large number of manufacturers at home and abroad. We’ve developed an extensive network and because of our relationships with these manufacturers, we’re able to provide a stable supply of great quality materials. We’re located in China’s largest communications hub, Shanghai and in the U.S. near one of the largest sea ports on the East Coast. The strategic locations of our facilities ensure convenient, prompt and secure delivery of our products to our customers.
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      Product(s):
      A0389 QUINOXALINE, Kosher
       
  • Penta International
    • 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.
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      Product(s):
      17-60000 QUINOXALINE
       
  • Synerzine
    • Synerzine, Inc.
      Innovation. Customization. Aroma Ingredients.
      Synerzine is a leading supplier of flavor and fragrance ingredients.
      Synerzine expresses what we have grown to embody as an organization - the synergy and connection between raw ingredients, science, technology, and the final product. Our experienced team is passionate about bringing our customers high-quality innovative ingredients that they can trust.
      Building upon our 44 year history, the Synerzine team provides customers around the globe with convenient access to over 1200 high-quality aroma ingredients. We actively engage with customers to add a wide array of new products and services on a regular basis. Our aim is to delight every customer with our exceptional services, large product selection, customization and the highest quality and safety standards. We provide our customers with true value designed to help them bring their products to market faster.
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      Product(s):
      Q800 Quinoxaline
       
  • Tianjin Danjun International
    • Tianjin Danjun International Trade Co., LTD.
      Quality Products
      We know the Chinese chemical market well.
      Tianjin danjun international trade co., LTD. is an organic chemicals trading company approved by the relevant state authorities to register. We have about 300 kinds of products (natural aroma chemicals, synthetic aroma chemicals and pharmaceutical intermediates). Most of the products are used in flavor and fragrance industry. We know the Chinese chemical market well and we have close relationship with many of the main manufacturers, and to provide our customers with quality goods together with comprehensive service.
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      Product(s):
      B-028 Quinoxaline
       
  • WholeChem
    • WholeChem, LLC
      Connecting Innovators To the Building Blocks Of the Universe
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      Quinoxaline
       
Synonyms   Articles   Notes   Search
CAS Number: 91-19-0Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg: 202-047-4
FDA UNII: QM4AR6M6T8
Nikkaji Web: J4.336B
Beilstein Number: 0109351
MDL: MFCD00006719
CoE Number: 11365
XlogP3: 1.30 (est)
Molecular Weight: 130.14982000
Formula: C8 H6 N2
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
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Physical Properties:
Appearance: white to tan crystalline powder (est)
Assay: 95.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 27.00 to  30.00 °C. @ 760.00 mm Hg
Boiling Point: 229.50 °C. @ 760.00 mm Hg
Boiling Point: 225.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.105000 mmHg @ 25.00 °C. (est)
Flash Point: 209.00 °F. TCC ( 98.33 °C. )
logP (o/w): 1.320
Soluble in:
 alcohol
 water, 6850 mg/L @ 25 °C (est)
 water, 6.60E+05 mg/L @ 25 °C (exp)
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Organoleptic Properties:
 
 
Flavor Type: fishy
 
 fishy  
Taste Description:
fishy
 
Odor and/or flavor descriptions from others (if found).
 
 
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Cosmetic Information:
None found
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Suppliers:
Beijing Lys Chemicals
Quinoxaline
BOC Sciences
For experimental / research use only.
quinoxaline 95%
DeLong Chemicals America
Quinoxaline
M&U International
QUINOXALINE, Kosher
Penta International
QUINOXALINE
Sigma-Aldrich: Aldrich
For experimental / research use only.
Quinoxaline 99%
Synerzine
Quinoxaline
Tianjin Danjun International
Quinoxaline
WholeChem
Quinoxaline
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
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 36 - Wear suitable protective clothing.
 
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  250 mg/kg
National Technical Information Service. Vol. AD607-952

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: flavoring agents
Recommendation for quinoxaline usage levels up to:
 not for fragrance use.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.12 (μg/capita/day)
Modified Theoretical Added Maximum Daily Intake (mTAMDI): 270 (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/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0): 0.400002.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0): 0.100000.50000
Edible ices, including sherbet and sorbet (03.0): 0.400002.00000
Processed fruit (04.1): 0.400002.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2): --
Confectionery (05.0): 1.000005.00000
Chewing gum (05.0): --
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0): 0.200001.00000
Bakery wares (07.0): 1.000005.00000
Meat and meat products, including poultry and game (08.0): 0.100000.40000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0): 0.100000.40000
Eggs and egg products (10.0): --
Sweeteners, including honey (11.0): --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0): 0.100000.50000
Foodstuffs intended for particular nutritional uses (13.0): 0.200001.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1): 0.200001.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2): 1.000005.00000
Ready-to-eat savouries (15.0): 1.000005.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0): 0.200001.00000
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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
Chemical Carcinogenesis Research Information System: Search
AIDS Citations: Search
Cancer Citations: Search
Toxicology Citations: Search
EPA GENetic TOXicology: Search
EPA Substance Registry Services (TSCA): 91-19-0
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 7045
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 3
 quinoxaline
Chemidplus: 0000091190
RTECS: VD1225000 for cas# 91-19-0
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References:
 quinoxaline
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 91-19-0
Pubchem (cid): 7045
Pubchem (sid): 134971440
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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
KEGG (GenomeNet): C18575
HMDB (The Human Metabolome Database): Search
Export Tariff Code: 2933.90.8300
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
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Potential Blenders and core components note
 
For Odor
earthy
earthy
1-octen-3-oneFL/FR
green
2-sec-butyl-3-methoxypyrazineFL/FR
3,6-nonadien-1-olFL/FR
mossy
 oakmoss absoluteFL/FR
nutty
2-ethyl pyrazineFL/FR
spicy
 ethyl vinyl ketoneFL/FR
sulfurous
 fish thiolFL/FR
waxy
 tetradecanalFL/FR
yeasty
2-octen-4-oneFL/FR
 
For Flavor
 
ammoniacal
 pyrrolidineFL
earthy
1-octen-3-oneFL/FR
fatty
 tetradecanalFL/FR
fishy
 anchovy flavorFL
4,5-dimethyl thiazoleFL
3-penten-2-oneFL
 trimethyl amineFL
 tuna extractFL
 tuna flavorFL
green
3,6-nonadien-1-olFL/FR
 oakmoss absoluteFL/FR
nutty
2-ethyl pyrazineFL/FR
spicy
 ethyl vinyl ketoneFL/FR
sulfurous
 fish thiolFL/FR
1-(methyl thio)-2-butanoneFL
 potato butanoneFL
vegetable
2-sec-butyl-3-methoxypyrazineFL/FR
2-octen-4-oneFL/FR
 potato butyraldehydeFL
 
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 malt - up to 0.1 mg/kg
Search  PMC Picture
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Synonyms:
 benzo(a)pyrazine
 benzo[a]pyrazine
1,4-benzodiazine
 benzoparadiazine
 chinoxalin
1,4-diazanaphthalene
1,4-naphthyridine
 phenopiazine
 phenpiazine
 quinazine
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