Pyrazine-2, 3-Dicarboxylic Anhydride 4744-50-7 Assay 99.02% White Powder
|
Mf: |
White Powder |
|
2,3-Pyrazinedicarboxylic Acid: |
0.55% |
|
Assay(HPLC): |
99.02% |
|
Water(Loss on Drying): |
0.05% |
|
2-Pyrazinecarboxylic Acid: |
0.43% |
|
Transport Package: |
25kg/Drum |
Basic Info.
| Model NO. | Water0.05% Total Impurity 0.97% |
| Specification | 2, 3-Pyrazinedicarboxylic acid 0.55% |
| Origin | China |
| HS Code | 29349990 |
| Production Capacity | 40000kg/Years |
Product Name: 2,3-Pyrazinecarboxylic anhydride
Synonyms: PYRAZINE-2,3-DICARBOXYLIC ANHYDRIDE;
2,3-Py Razinedica boxylic Anbyd Yide;
2,3-PYRAZINEDICARBOXYLIC ANHYDRIDE;
2,3-PYRAZINECARBOXYLIC ANHYDRIDE;
2,3-PYRAZINEDICARBOXLIC ANHYDRIDE;
2,3-PYRAZINEDICARBOXYLICANHYDRATE;
FURO[3,4-B]PYRAZINE-5,7-DIONE
CAS: 4744-50-7
MF: C6H2N2O3
MW: 150.09
EINECS: 225-260-4
Product Categories: Pesticide intermediates;GLYCINESCAFFOLD;Fused Ring Systems
Mol File: 4744-50-7.mol
Melting point 210 °C (dec.)(lit.)
Boiling point 357.3±22.0 °C(Predicted)
density 1.686±0.06 g/cm3(Predicted)
storage temp. Inert atmosphere,Room Temperature
solubility Actonitrile (Slightly), DMSO
pka -3.43±0.20(Predicted)
form Solid
color White to light brown crystalline powder
LogP -0.900 (est)
CAS DataBase Reference 4744-50-7(CAS DataBase Reference)
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
Hazard Note Irritant
HS Code 29349990
2,3-Pyrazinecarboxylic anhydride Usage And Synthesis
Uses 2,?3-?Pyrazinedicarboxylic Anhydride is a reagent used in the synthesis of highly potent and selective abietane type diterpenoid amides.
2,3-Pyrazinecarboxylic anhydride Preparation Products And Raw materials
Raw materials o-Phenylenediamine-->Glyoxal-->Quinoxaline
Preparation Products 2,3-Pyridinedicarboxylic anhydride-->6-methyl-5H,6H,7H,8H-pyrazino[2,3-d]pyridazine-5,8-dione-->5,8-dichloropyrazino[2,3-d]pyridazine
|
Assay(HPLC) |
≥98% |
99.02% |
|
Water(Loss on drying) |
≤0.5% |
0.05% |
|
2,3-Pyrazinedicarboxylic acid |
≤1% |
0.55% |
|
2-Pyrazinecarboxylic acid |
≤1% |
0.43% |
|
TOtal impurity |
≤4% |
0.97% |
Packaging & Shipping
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