ChemicalBook > CAS DataBase List > 2-AMINOQUINOXALINE

2-AMINOQUINOXALINE

Product Name: 2-AMINOQUINOXALINE
CAS No.: 5424-05-5
Chemical Name: 2-AMINOQUINOXALINE
Synonyms: NSC 44679;NSC 13155;2-Quinoxalinamine;2-Aminequinoxalin;quinoxalin-2-amine;2-AMINOQUINOXALINE;quinoxalin-2-ylamine;2-Aminoquinoxaline ,97%;quinoxalin-2-amine - [Q86934]
CBNumber: CB1105788
Molecular Formula: C8H7N3
Formula Weight: 145.16
MOL File: 5424-05-5.mol

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2-AMINOQUINOXALINE Property

Melting point:: 155-157℃
Boiling point:: 297.6±20.0 °C(Predicted)
Density: 1.292
storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
solubility: DMSO (Slightly), Methanol (Slightly)
pka: 3.70±0.28(Predicted)
form: Solid
color: Light Yellow
InChI: InChI=1S/C8H7N3/c9-8-5-10-6-3-1-2-4-7(6)11-8/h1-5H,(H2,9,11)
InChIKey: YOWAEZWWQFSEJD-UHFFFAOYSA-N
SMILES: N1C2C(=CC=CC=2)N=CC=1N

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Safety

Hazard Codes: Xn
Risk Statements: 22-36/38-20/21/22
Safety Statements: 26-36/37-15
HS Code: 29339900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

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

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC

Product number: A629170
Product name: 2-Aminoquinoxaline
Packaging: 500mg
Price: $165
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H30-1-PJ
Product name: Quinoxalin-2-amine
Purity: 95%
Packaging: 250mg
Price: $192
Updated: 2021/12/16

Frontier Specialty Chemicals

Product number: JK227113
Product name: 2-Aminoquinoxaline
Purity: 97%
Packaging: 1g
Price: $264
Updated: 2021/12/16

Apolloscientific

Product number: OR938970
Product name: Quinoxalin-2-amine
Purity: 95%
Packaging: 250mg
Price: $120
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H30-1-PJ
Product name: Quinoxalin-2-amine
Purity: 95%
Packaging: 1g
Price: $416
Updated: 2021/12/16

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2-AMINOQUINOXALINE Chemical Properties,Usage,Production

Chemical Properties

Yellow solid

Uses

2-Aminoquinoxaline is an aminopyrazine analog with potential use as chemiluminescence derivatization reagents for pyruvic acid.

Synthesis Reference(s)

Journal of the American Chemical Society, 73, p. 4955, 1951 DOI: 10.1021/ja01154a143

Synthesis

34117-90-3

829-85-6

5424-05-5

1422239-76-6

4559-70-0

1101-41-3

A mixture of 2-amino-3-chloroquinoxaline (495 mg, 2.75 mmol) and diphenylphosphine (0.48 mL, 2.76 mmol) was heated and reacted at 130 °C for 2 h under the catalytic influence of Pd(OAc)2 (0.8 mg, 0.13 mmol) to give a viscous blue-green product. The reaction mixture was extracted with diethyl ether and the soluble fraction was monitored by NMR in C6D6 to identify tetraphenyl diphenylphosphine (Ph2P-PPh2), diphenylchlorophosphine (Ph2PCl), 2-aminoquinoxaline (3a), and an unknown phosphorus compound (31P NMR signals: δ 14.9, 82.2, 12.8, 5.4 ppm, intensity ratio 84:12:2:2). The ether-insoluble hydrochloride fraction was treated with aqueous NaOH/Et2O to give 615 mg of blue-green powder. The ether phase was dried over Na2SO4 and the ether was removed under reduced pressure to give 220 mg of a brownish-yellow viscous substance with a low content of 2-aminoquinoxaline (about 20% relative intensity of 31P in addition to signals from tetraphenyldiphosphine, diphenyloxyphosphine and other phosphorus compounds). The mixture was purified by silica gel column chromatography (ethyl acetate/hexane, 95/5%) under aerobic conditions, and removal of the solvent afforded 180 mg (45% yield) of 2-aminoquinoxaline as a light yellow solid, with a melting point of 156 °C.1H NMR (CDCl3) δ: 5.03 (vbr, 2H, NH2), 7.45 (td, 3J = 8.4, 7, 4J = 1.2 Hz, 1H, H-6), 7.61 (td, 3J = 8.4, 7, 4J = 1.2 Hz, 1H, H-7), 7.67 (dd, 3J = 8.4, 4J = 1.2 Hz, 1H, H-8), 7.92 (dd, 3J = 8.4, 4J = 1.2 Hz, 1H, H-5), 8.35 (s, 1H, H-3); these data are in agreement with the literature [17]. literature [17].13C NMR (CDCl3) δ: 125.05 (CH-6), 125.88 (CH-8), 128.83 (CH-5), 137.43 (Cq-4a), 137.78 (CH-3), 130.29 (CH-7), 140.89 (Cq-8a), 151.97 (Cq-2). HRMS (ESI in MeOH): calculated value C8H7N3 [M+H]+ 146.0713; measured value: 146.0713.

References

[1] Polyhedron, 2013, vol. 50, # 1, p. 101 - 111

2-AMINOQUINOXALINE Preparation Products And Raw materials

Raw materials

2-Quinoxalinone Ammonium hydroxide Ethanol Sodium sulfate Phosphorus oxitrichloride Diethyl ether Sodium hydroxide Magnesium

Preparation Products

Sulfaquinoxaline

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View Lastest Price from 2-AMINOQUINOXALINE manufacturers

Career Henan Chemical Co

Product: 2-AMINOQUINOXALINE 5424-05-5
Price: US $8.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10tons
Release date: 2018-12-24

5424-05-5, 2-AMINOQUINOXALINERelated Search:

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2-Aminequinoxalin

quinoxalin-2-amine

2-Aminoquinoxaline ,97%

2-Quinoxalinamine

quinoxalin-2-ylamine

NSC 13155

NSC 44679

2-AMINOQUINOXALINE

quinoxalin-2-amine - [Q86934]

5424-05-5

5524-05-5

542-45-5

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