5-Methylquinoxaline
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5-Methylquinoxaline
structure -
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CAS No:
13708-12-8
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Formula:
C9H8N2
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Chemical Name:
5-Methylquinoxaline
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Synonyms:
Quinoxaline,5-methyl-;5-Methylquinoxaline
- Categories:
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CAS No:
Description
5-Methylquinoxaline has a burnt, roasted, nutty, roasted corn, coffee odor Amber liquidChEBI: A quinoxaline derivative in which the quinoxaline (1,4-naphthyridine) skeleton is substituted at C-5 with a methyl group.5-Methylquinoxaline has a burnt, roasted, nutty, roasted com, coffee odor.
Liquid|colourless to light yellow liquid with a burnt, roasted, nutty, coffee odour
5-methylquinoxaline is a quinoxaline derivative in which the quinoxaline (1,4-naphthyridine) skeleton is substituted at C-5 with a methyl group.
Characteristics
25.8
2
white powder
1.112 g/mL at 25 °C(lit.)
20-21 °C
120 °C
>230 °F
n 20/D 1.62(lit.)
1456 mg/L @ 25 °C (est)|freely soluble in water, organic solvents, oils|very soluble (in ethanol)
0.0465mmHg at 25°C
Safety Information
NONH for all modes of transport
3
36/37/38
26-36
Xi
Irritant
P261-P305 + P351 + P338
H315-H319-H335
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 184 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
5-Methylquinoxaline Use and Manufacturing
General procedure: To a mixture of substituted o-phenylenediamines derivative(2.0 mmol) and 1, 2-diketone / α-hydroxy ketone (2.0 mmol), was added sulfated polyborate (10 wtpercent). The reaction mixture was stirred at 100 °C in an oil bath. The reaction was monitored by thin layer chromatography (TLC). After completion of the reaction, the mixture was cooled to room temperature and quenched by water. The resultant product was filtered/extracted with EtOAc to get the product. Crude products were either recrystallized from ethanol or purified by column chromatography using silica as the stationary phase and EtOAc: pet. ether as mobile phase. The products obtained were known compounds and were identified by melting point and
Quinoxaline, 5-methyl-: ACTIVE
Food additives -> Flavoring Agents|Flavoring Agents -> JECFA Flavorings Index
Flavoring Agents
Computed Properties
Molecular Weight:144.17
XLogP3:2
Hydrogen Bond Acceptor Count:2
Exact Mass:144.068748264
Monoisotopic Mass:144.068748264
Topological Polar Surface Area:25.8
Heavy Atom Count:11
Complexity:136
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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