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Name	2-Quinoxalinone	EINECS	214-815-6
CAS No.	1196-57-2	Density	1.31 g/cm³
PSA	46.01000	LogP	1.33540
Solubility	N/A	Melting Point	271-272 °C
Formula	C₈H₆N₂O	Boiling Point	363.4 °C at 760 mmHg
Molecular Weight	146.148	Flash Point	173.6 °C
Transport Information	N/A	Appearance	N/A
Safety	26-36/39-37/39	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	2-Quinoxalinol(7CI);1,2-Dihydroquinoxalin-2-one;2-Hydroxyquinoxaline;2(1H)-Quinoxalinone;2-Quinoxalone;3-Quinoxalinone;NSC 13154;	Article Data	130

2-Quinoxalinone Chemical Properties

MF: C₈H₆N₂O
MP:271-272°C
MW: 146.146040 g/mol
Flash Point: 173.6 °C
EINECS: 214-815-6
IUPAC: 1H-quinoxalin-2-one
Product Name: 2-Quinoxalinone
Enthalpy of Vaporization: 63.34 kJ/mol
Boiling Point: 363.4 °C at 760 mmHg ]
Vapour Pressure: 8.65E-06 mmHg at 25°C
Synonyms: 2-quinoxalinol ; 2-Quinoxalinone ; 2-Hydroxyuinoxalin ; Quinoxalin-2-OL ; 1,2-Dihydroquinoxalin-2-one ; 2-(1H)-Quinoxalinone ; 2(1H)-Quinoxalinone ; 2-Quinoxalone
Product Categories: Building Blocks;Heterocyclic Building Blocks;Quinoxalines
CAS DataBase Reference :1196-57-2(CAS DataBase Reference)
Following is the molecular structure of 2-QUINOXALINOL (1196-57-2):

2-Quinoxalinone Uses

2-Quinoxalinone (1196-57-2) is an organic phosphorus insecticide parathion quinoline intermediates, is also a pharmaceutical intermediate.

2-Quinoxalinone Toxicity Data With Reference

ivn-mus LD50:178 mg/kg

CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#00285 .

2-Quinoxalinone Consensus Reports

Reported in EPA TSCA Inventory.

2-Quinoxalinone Safety Profile

Poison by intravenous route. When heated to decomposition it emits toxic vapors of NO_x.

Safety Information of 2-Quinoxalinone (1196-57-2):
Hazard Codes: Xi
Xi Irritant
Risk Statements : 36/37/38( Irritating to eyes, respiratory system and skin )
Safety Statements : 26-36/39-37/39 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;Wear suitable protective clothing and eye/face protection ;Wear suitable gloves and eye/face protection )
RTECS : VD3630000

2-Quinoxalinone Analytical Methods

The Analytical Methods of 2-QUINOXALINOL (1196-57-2):HPLC,NMR

2-Quinoxalinone Specification

The preparation method of 2-QUINOXALINOL (1196-57-2) is based on o-phenylenediamine and chloroacetic acid as starting material, the first synthesis of 2 - hydroxy - dihydro- Quinoxaline ( hereinafter referred to dihydro- ), and then hydrogen peroxide, to be 2 - Hydroxyquinoxaline. Will chloroacetic acid, water added to the 1000L Enamel Reactor, stirring to dissolve, then add o-phenylenediamine, and constantly stirring, in batches into precipitated calcium carbonate, temperature and reaction some time. Cooling, add sodium hydroxide solution, mixing the material break. Adding hydrogen peroxide, temperature response some time. Serve hot filtered to remove residues, and in the filtrate with concentrated hydrochloric acid, filtration, drying, that is to be 2 - Hydroxyquinoxaline.
Now with the glyoxylic acid line, good quality and high yield.

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