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91-19-0 quinoxaline

product Name quinoxaline
CAS No 91-19-0
Synonyms 1,4-Benzodiazine
Molecular Formula C8H6N2
Molecular Weight 130.1466
EINECS 202-047-4
Molecular Structure 91-19-0 quinoxaline
Density 1.183g/cm3
Melting point 29-34℃
Boiling point 229.5°C at 760 mmHg
Refractive index 1.653
Flash point 98.3°C
Water solubility SOLUBLE
Vapour Pressur 0.105mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;
S36:;
MSDS Material Safety Data Sheet

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Jinan Yudong Chem Co.,Ltd. [ Gold Suppliers ]
Specifications 99%
Packing 25Kg/drum
Description Product name: Quinoxaline Cas No. : 91-19-0 Appearance: White crystal powder Purity: 99% Packing: 25Kg/drum Usage:Pharm intermediates
Contact Susan Xu
Telephone +86-531-82312885 15990993651
Email yudong@yudong.com.cn
Address 32 North Shanda Road,Jinan,Shandong,China
Tianjin Yuansu Chemical Reagent Co., LTD [ Gold Suppliers ]
Specifications 99% min
Packing 25kg 50kg drum or bag
Description What is the chemical of Quinoxaline? Appearance: Light yellow to brown crystalline solid ; Assay: 99% min by HPLC ; IR Identity: conform to standard ; HNMR£º conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer¡¯s request ; Loss on drying:0.5% max. or as per the customer¡¯s request ; Melting point: 29¨C32 ¡ãC; boiling point: 220-223 ¡ã C (at atmospheric pressure of 760 mmHg); ============================================================================= Purpose: Mainly used as a synthetic intermediate for the anti tuberculosis drug pyrazinamide. As an organic synthesis reagent, it is used to construct other heterocyclic compounds. Applied in the synthesis of pharmaceuticals, pesticides, dyes, and fine chemicals. =============================================================================== synthetic route The main industrial synthesis route of quinoxaline is the cyclization reaction between ortho phenylenediamine and glyoxal t...
Contact Mr. Alexander Wang
Telephone +86-22-83739603
Email sales@yuansu-reagent.com
Address No. 268, Yuliang Street, Dagang Street, Binhai New Area, Tianjin, China
Chemicals Suppliers(6):
1Jinan Yudong Chem Co.,Ltd.
2Tianjin Yuansu Chemical Reagent Co., LTD
3Venchem Ltd
6Bharath Scale-up Technologies
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