| Identification | More | [Name]
5,6,7,8-Tetrahydroquinoxaline | [CAS]
34413-35-9 | [Synonyms]
5,6,7,8-TETRAHYDROQUINOXALINE
CYCLOHEXAPYRAZINE
FEMA 3321
FEMA NUMBER 3321
TETRAHYDROQUINOXALINE
5,6,7,8-tetrahydro-quinoxalin
Quinoxaline, 5,6,7,8-tetrahydro-
5,6,7,8-Tetrahydroquioxaline
5 6 7 8-TETRAHYDROQUINOXALINE 97+%
5,6,7,8-Tetrahydroquinoxaline,99%
5,6,7,8-TETRAHYDROQUINOXALINE FEMA NO.3321
Cyclohexapyrazine, Tetrahydroquinoxaline
5,6,7,8-Tetrahydroquinoxaline ,98% | [EINECS(EC#)]
252-002-8 | [Molecular Formula]
C8H10N2 | [MDL Number]
MFCD00038078 | [Molecular Weight]
134.18 | [MOL File]
34413-35-9.mol |
| Chemical Properties | Back Directory | [Appearance]
CLEAR VERY SLIGHTLY YELLOW LIQUID | [Boiling point ]
85 °C3 mm Hg(lit.) | [density ]
1.061 g/mL at 25 °C(lit.)
| [FEMA ]
3321 | [refractive index ]
n20/D 1.542(lit.)
| [Fp ]
195 °F
| [storage temp. ]
Sealed in dry,Room Temperature | [form ]
clear liquid | [pka]
2.24±0.20(Predicted) | [color ]
Colorless to Yellow to Green | [Specific Gravity]
1.1334 | [Odor]
at 0.10 % in dipropylene glycol. musty nut roasted bean cereal corn chip cheese | [biological source]
synthetic | [Odor Type]
nutty | [Water Solubility ]
slightly soluble | [Detection Methods]
GC,NMR | [JECFA Number]
952 | [BRN ]
957053 | [LogP]
1.41 | [CAS DataBase Reference]
34413-35-9(CAS DataBase Reference) | [NIST Chemistry Reference]
5,6,7,8-Tetrahydroquinoxaline(34413-35-9) | [EPA Substance Registry System]
34413-35-9(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [TSCA ]
Yes | [HS Code ]
29339900 |
| Hazard Information | Back Directory | [Chemical Properties]
CLEAR VERY SLIGHTLY YELLOW LIQUID | [Occurrence]
Reported found in cocoa, coffee, wheat bread, fried cured pork, pork liver, cocoa, coffee, roasted filbert, roasted peanut and roasted sesame seeds. | [Uses]
flavors and fragrances | [Definition]
ChEBI: 5,6,7,8-Tetrahydroquinoxaline is a member of pyrazines. | [Preparation]
By condensation of alicyclic α, β-diketone with an α, β-diamine; condensation of an acyclic α, β-diamine with an α, β-dicarbonyl. | [Aroma threshold values]
Aroma characteristics at 1.0%: nutty roasted corn chip, peanut, hazelnut, toasted coconut, coffee, graham cracker, popcorn, toasted and roasted grain. | [Taste threshold values]
Taste characteristics from 5 to 10 ppm: roasted nutty, corn and popcorn, toasted grain and corn chip, taco fatty, basmati rice, hazelnut and roasted coffee-like. Taste characteristics at 10 ppm: nutty, musty, corn taco and popcorn-like. |
| Spectrum Detail | Back Directory | [Spectrum Detail]
5,6,7,8-Tetrahydroquinoxaline(34413-35-9)MS
5,6,7,8-Tetrahydroquinoxaline(34413-35-9)1HNMR
5,6,7,8-Tetrahydroquinoxaline(34413-35-9)13CNMR
5,6,7,8-Tetrahydroquinoxaline(34413-35-9)IR1
5,6,7,8-Tetrahydroquinoxaline(34413-35-9)Raman
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