2,3-Pyrazinecarboxylic anhydride 2,3-吡嗪二酸酐

CAS 4744-50-7 MFCD00179418

化学结构图

4744-50-7
SMILES: O=C1OC(=O)c2nccnc21

化学属性

Mol. FormulaC6H2N2O3
Mol. Weight150.09
Melting Point210 °C (dec.) (lit.)

别名和识别编码

Chemical Name2,3-Pyrazinecarboxylic anhydride
CAS Number4744-50-7
Alfabeta NamePYRAZINEDICARBOXYLICANHYDRIDE 23-,
MDL NumberMFCD00179418
Synonym 呋[3,4-B]吡嗪-5,7-二酮 吡嗪-2,3-二羧酸酐 吡嗪-2,3-羧酸酐 2,3-PYRAZINEDICARBOXYLICANHYDRATE FURO[3,4-B]PYRAZINE-5,7-DIONE 呋[3,4-b]吡嗪-5,7-二酮 PYRAZINE-2,3-DICARBOXYLIC ANHYDRIDE 2,3-吡嗪二羧酸酐 Furo[3,4-b]pyrazine-5,7-dione 2,3-吡嗪二酸酐 2,3-PYRAZINEDICARBOXLIC ANHYDRIDE 2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE 5,7-Dihydrofuro[3,4-b]pyrazine-5,7-dione 2,3-Pyrazinedicarboxylic acid anhydride Furo[3,4-b]pyrazine-5,7-dione (9CI) 2,3-PYRAZINECARBOXYLIC ANHYDRIDE 呋[3,4-b]吡嗪-5,7-二酮;吡嗪-2,3-二羧酸酐
PubChem Substance ID78482
EC Number225-260-4
Chemical Name Translation2,3-吡嗪二酸酐
InChIKeyAWJWCTOOIBYHON-UHFFFAOYSA-N
LabNetwork Molecule IDLN00173035
InChIInChI=1S/C6H2N2O3/c9-5-3-4(6(10)11-5)8-2-1-7-3/h1-2H
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分类

  • {SNA} Anhydride Monomers, Monomers, Polymer Science, 材料科学
  • {SNA} Anhydride Monomers, Materials Science, Monomers, Polymer Science

安全信息

Warnings IRRITANT
WGK Germany3
GHS Symbol
Precautionary statements
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P305+P351+P338
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Signal word Warning
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes Xi
Safety Statements
  • S36 Wear suitable protective clothing 穿戴适当的防护服;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性

其他信息

  • 用途一:吡嗪酰胺的中间体。
  • Sigma Aldrich:4744-50-7(sigmaaldrich)
  • MOL 文件:4744-50-7.mol
  • Hazard Note:Irritant
  • 上游原料:1,2-苯二胺 --> 乙二醛 --> 二羧酸 --> 喹喔啉
  • 方法一:可用邻苯二胺与乙二醛环合,生成苯并吡嗪,经氧化得到吡嗪二羧酸,后者在乙酸酐作用下消除(脱水)得到该品。

系列性分类


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