CAS 699-98-9 | 2,3-Pyridinedicarboxylic Anhydride
Molecular Formula: C7H3NO3
Molecular Weight: 149.1
EINECS: 211-834-1
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Specification of CAS 699-98-9 | 2,3-Pyridinedicarboxylic anhydride
ITEMS | SPECIFICATION |
Melting point | 137-139 °C (lit.) |
storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
refractive index | 1.4835 |
Water Solubility | Optimal solubility in water. |
EPA Substance Registry System | Furo[3,4-b]pyridine-5,7-dione (699-98-9) |
density | 1.4974 |
Boiling point | 270.14°C |
pka | -2.24 |
Sensitive | Moisture Sensitive |
NIST Chemistry Reference | 2,3-Pyridinedicarboxylic anhydride(699-98-9) |
BRN | 125111 |
CAS DataBase Reference | 699-98-9(CAS DataBase Reference) |
Synthesis of CAS 699-98-9 | 2,3-Pyridinedicarboxylic anhydride
Conditions
With acetic anhydride for 3.5h; Reflux;
Reference
Liu, Jingbo; Li, Yuxin; Chen, Youwei; Hua, Xuewen; Wan, Yingying; Wei, Wei; Song, Haibin; Yu, Shujing; Zhang, Xiao; Li, Zhengming
[Chinese Journal of Chemistry, 2015, vol. 33, # 11, p. 1269 - 1275]
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