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CAS No 91-19-0 , quinoxaline

  • Name: quinoxaline
  • Synonyms: 1,4-Benzodiazine; 1,4-Diazanaphthalene; Quinazine; Benzopyrazine; 91-19-0;Benzoparadiazine;quinoxaline; Phenpiazine; Phenopiazine;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 29-34 ºC
  • Flash Point: 98 ºC
  • Boiling Point: 220-223 ºC
  • Density: 1.124
  • Refractive index: 1.6231 (20 C)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29339990
  • Flash Point: 98 ºC
  • EINECS: 202-047-4
  • Molecular Weight: 130.14664
  • InchiKey: XSCHRSMBECNVNS-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H6N2/c1-2-4-8-7(3-1)9-5-6-10-8/h1-6H
  • Risk Statements: S26;S36
  • Molecular Formula: C8H6N2
  • Molecular Structure:CAS No:91-19-0 quinoxaline

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91-19-0 Quinoxaline91-19-0

  • Name: Quinoxaline Alias: 1,4-Benzodiazine Cas No: 91-19-0 Appearance: white crystals 锛?P锛?9-34?? BP锛?20-223?? FP锛?8?? Assay: ??8% Molecular formula: C8H6N2 Molecular weight: 130.15 Usage: Reagents in organic synthesis Package: 25kg/drum Email:pan...
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91-19-0 1,4-Benzodiazine

  • Name: Quinoxaline Alias: 1,4-Benzodiazine Cas No: 91-19-0 Appearance: white crystals ,MP:29-34掳C, BP:220-223掳C, FP:98掳C Assay: ??8% Molecular formula: C8H6N2 Molecular weight: 130.15 Usage: It is anti-TB drugs pyrazinamide intermediate Package: 25...
  • China Shandong Panxin Pharm Chemical Co.,Ltd [Manufacturer]
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  • Address: Qilu Chemical Area,Shandong zibo,nullChina
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References of quinoxaline
Title: Quinoxaline
CAS Registry Number: 91-19-0
Synonyms: 1,4-Benzodiazine; benzo[a]pyrazine; benzoparadiazine; phenpiazine
Molecular Formula: C8H6N2
Molecular Weight: 130.15
Percent Composition: C 73.83%, H 4.65%, N 21.52%
Literature References: Prepd from o-phenylenediamine and glyoxal or glyoxal sodium bisulfite: Hinsberg, Ber. 17, 320 (1884); Ann. 237, 334 (1887); Jones, McLaughlin, Org. Synth. 30, 86 (1950).
Properties: Crystals, mp 29-30°. Odor of quinoline when cool, odor of piperidine when hot. d448 (liq) 1.1334. bp760.3 229.5°. bp12 108-111°. nD48 1.6231. Very freely sol in water, alc, ether, benzene.
Melting point: mp 29-30°
Boiling point: bp760.3 229.5°; bp12 108-111°
Index of refraction: nD48 1.6231
Density: d448 (liq) 1.1334
 
Derivative Type: Monohydrate
Properties: Crystals, mp 37°.
Melting point: mp 37°
 
Derivative Type: Sulfate
Molecular Formula: C8H6N2.H2SO4
Molecular Weight: 228.23
Percent Composition: C 42.10%, H 3.53%, N 12.27%, S 14.05%, O 28.04%
Properties: Leaflets, mp 186-187°. Freely sol in water. Less sol in alcohol.
Melting point: mp 186-187°