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Product Name: |
5,6,7,8-Tetrahydroquinoxaline |
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Synonyms: |
5,6,7,8-tetrahydro-quinoxalin;Quinoxaline, 5,6,7,8-tetrahydro-;FEMA 3321;FEMA NUMBER 3321;CYCLOHEXAPYRAZINE;5,6,7,8-TETRAHYDROQUINOXALINE;TETRAHYDROQUINOXALINE;5,6,7,8-Tetrahydroquioxaline |
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CAS: |
34413-35-9 |
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MF: |
C8H10N2 |
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MW: |
134.18 |
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EINECS: |
252-002-8 |
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Product Categories: |
Flavor;Pyrazine compounds |
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Mol File: |
34413-35-9.mol |
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Boiling point |
85 °C3 mm Hg(lit.) |
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density |
1.061 g/mL at 25 °C(lit.) |
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FEMA |
3321 | 5,6,7,8-TETRAHYDROQUINOXALINE |
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refractive index |
n20/D 1.542(lit.) |
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Fp |
195 °F |
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pka |
2.24±0.20(Predicted) |
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Specific Gravity |
1.1334 |
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Water Solubility |
slightly soluble |
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JECFA Number |
952 |
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BRN |
957053 |
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CAS DataBase Reference |
34413-35-9(CAS DataBase Reference) |
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NIST Chemistry Reference |
5,6,7,8-Tetrahydroquinoxaline(34413-35-9) |
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EPA Substance Registry System |
Quinoxaline, 5,6,7,8-tetrahydro- (34413-35-9) |
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Hazard Codes |
Xi |
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Risk Statements |
36/37/38 |
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Safety Statements |
26-24/25-36 |
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WGK Germany |
3 |
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TSCA |
Yes |
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HS Code |
29339900 |
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Chemical Properties |
CLEAR VERY SLIGHTLY YELLOW LIQUID |
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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. |
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Aroma threshold values |
Aroma characteristics at 1.0%: nutty roasted corn chip, peanut, hazelnut, toasted coconut, coffee, graham cracker, popcorn, toasted and roasted grain. |
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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. |
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Raw materials |
Ethylenediamine |
