ChemicalBook > CAS DataBase List > 5,6,7,8-Tetrahydroquinoxaline

5,6,7,8-Tetrahydroquinoxaline

Product Name
5,6,7,8-Tetrahydroquinoxaline
CAS No.
34413-35-9
Chemical Name
5,6,7,8-Tetrahydroquinoxaline
Synonyms
TETRAHYDROQUINOXALINE;CYCLOHEXAPYRAZINE;FEMA 3321;FEMA NUMBER 3321;nutty quinoxaline;5,6,7,8-Tetrahydroquioxaline;5,6,7,8-TETRAHYDROQUINOXALINE;5,6,7,8-tetrahydro-quinoxalin;5.6.7.8-Tetrohydro quinoxaline;Quinoxaline, 5,6,7,8-tetrahydro-
CBNumber
CB7364693
Molecular Formula
C8H10N2
Formula Weight
134.18
MOL File
34413-35-9.mol
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5,6,7,8-Tetrahydroquinoxaline Property

Boiling point:
85 °C3 mm Hg(lit.)
Density 
1.061 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.542(lit.)
FEMA 
3321 | 5,6,7,8-TETRAHYDROQUINOXALINE
Flash point:
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
Odor Type
nutty
Water Solubility 
slightly soluble
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
Quinoxaline, 5,6,7,8-tetrahydro- (34413-35-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-24/25-36
WGK Germany 
3
TSCA 
Yes
HS Code 
29339900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W332100
Product name
5,6,7,8-Tetrahydroquinoxaline
Purity
≥97%, FG
Packaging
sample-k
Price
$54.6
Updated
2024/03/01
Sigma-Aldrich
Product number
W332100
Product name
5,6,7,8-Tetrahydroquinoxaline
Purity
≥97%, FG
Packaging
25g
Price
$79.8
Updated
2024/03/01
Sigma-Aldrich
Product number
W332100
Product name
5,6,7,8-Tetrahydroquinoxaline
Purity
≥97%, FG
Packaging
100g
Price
$236
Updated
2024/03/01
Sigma-Aldrich
Product number
W332100
Product name
5,6,7,8-Tetrahydroquinoxaline
Purity
≥97%, FG
Packaging
1kg
Price
$1240
Updated
2024/03/01
TCI Chemical
Product number
T1403
Product name
5,6,7,8-Tetrahydroquinoxaline
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$44
Updated
2024/03/01
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5,6,7,8-Tetrahydroquinoxaline Chemical Properties,Usage,Production

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.

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.

5,6,7,8-Tetrahydroquinoxaline Preparation Products And Raw materials

Raw materials

Ethylenediamine Diketone

Preparation Products

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5,6,7,8-Tetrahydroquinoxaline Suppliers

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View Lastest Price from 5,6,7,8-Tetrahydroquinoxaline manufacturers

Henan Fengda Chemical Co., Ltd
Product
5,6,7,8-Tetrahydroquinoxaline 34413-35-9
Price
US $32.00-1.10/kg
Min. Order
1kg
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-22
Hebei Yanxi Chemical Co., Ltd.
Product
5,6,7,8-Tetrahydroquinoxaline 34413-35-9
Price
US $35.00-25.00/kg
Min. Order
25kg
Purity
99%
Supply Ability
10 tons
Release date
2024-02-26
Hebei Guanlang Biotechnology Co,.LTD
Product
5, 6, 7, 8-Tetrahydroquinoxaline 34413-35-9
Price
US $5.00-2.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2023-03-21

34413-35-9, 5,6,7,8-TetrahydroquinoxalineRelated Search:

5,6,7,8-Tetrahydroquinoxaline 6-CHLORO-2,3-DIOXO-1,2,3,4-TETRAHYDROQUINOXALINE, 97 6-chloro-1,2,3,4-tetrahydroquinoxaline-2,3-dione,6-CHLORO-2,3-DIOXO-1,2,3,4-TETRAHYDROQUINOXALINE 5-NITRO-1,2,3,4-TETRAHYDROQUINOXALINE 7-METHYL-3-OXO-1,2,3,4-TETRAHYDROQUINOXALINE-6-CARBONITRILE 5,8-dimethyl-1,2,3,4-tetrahydroquinoxaline 2-OXO-1,2,3,4-TETRAHYDROQUINOXALINE-6-CARBOXYLIC ACID 6-(AMINOMETHYL)-1,4-DIMETHYL-1,2,3,4-TETRAHYDROQUINOXALINE 2-PROPYL-1,2,3,4-TETRAHYDROQUINOXALINE 2-OXO-1,2,3,4-TETRAHYDROQUINOXALINE-6-CARBONITRILE 3-OXO-1,2,3,4-TETRAHYDROQUINOXALINE-6-CARBOXYLIC ACID 1,4-Dimethyl-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid,1,4-DIMETHYL-1,2,3,4-TETRAHYDROQUINOXALINE-6-CARBOXYLIC ACID, 97 (2R)-1,2,3,4-TETRAHYDROQUINOXALINE-2-CARBOXYLIC ACID 2-METHYL-1-NITROSO-1,2,3,4-TETRAHYDROQUINOXALINE 1-ETHYL-1,2,3,4-TETRAHYDROQUINOXALINE 6-BROMO-1,4-DIMETHYL-1,2,3,4-TETRAHYDROQUINOXALINE,6-Bromo-1,4-dimethyl-1,2,3,4-tetrahydroquinoxaline 97% 1,4-Dimethyl-1,2,3,4-tetrahydroquinoxaline-6-carbonitrile 2,3-DIOXO-1,2,3,4-TETRAHYDROQUINOXALINE-6-CARBONITRILE

  • Quinoxaline, 5,6,7,8-tetrahydro-
  • FEMA 3321
  • FEMA NUMBER 3321
  • CYCLOHEXAPYRAZINE
  • 5,6,7,8-tetrahydro-quinoxalin
  • 5,6,7,8-TETRAHYDROQUINOXALINE
  • 5,6,7,8-Tetrahydroquioxaline
  • 5 6 7 8-TETRAHYDROQUINOXALINE 97+%
  • 5,6,7,8-Tetrahydroquinoxaline,99%
  • TETRAHYDROQUINOXALINE
  • 5,6,7,8-TETRAHYDROQUINOXALINE FEMA NO.3321
  • Cyclohexapyrazine, Tetrahydroquinoxaline
  • 5,6,7,8-Tetrahydroquinoxaline ,98%
  • 5,6,7,8-Tetrahydroquinoxaline >=98.0%
  • 5,6,7,8-Tetrahydroquinoxaline34413-35-9
  • 5,6,7,8- fourhydrogenquinoxaline
  • 5.6.7.8-Tetrohydro quinoxaline
  • 5,6,7,8-Tetrahydroquinoxaline USP/EP/BP
  • nutty quinoxaline
  • 34413-35-9
  • C8H10N2
  • Building Blocks
  • Heterocyclic Building Blocks
  • Pyrazines
  • Pyrazine compounds
  • Flavor