A8417912
3,4-Pyridinedicarboxylic anhydride , 97% , 4664-08-8
Synonym(s):
Cinchomeronic anhydride
CAS NO.：4664-08-8
Empirical Formula: C7H3NO3
Molecular Weight: 149.1
MDL number: MFCD00010680
EINECS: 628-335-3
| Pack Size | Price | Stock | Quantity |
| 250mg | RMB24.00 | In Stock |
|
| 1G | RMB56.80 | In Stock |
|
| 5G | RMB207.20 | In Stock |
|
| 25G | RMB876.80 | In Stock |
|
| 100g | RMB2639.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 75-77 °C (lit.) |
| Boiling point: | 139-142 °C(Press: 12 Torr) |
| Density | 1.556±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | solid |
| pka | -0.38±0.20(Predicted) |
| color | White to off-white |
| Water Solubility | Decomposes in water. |
| Sensitive | Moisture Sensitive |
| CAS DataBase Reference | 4664-08-8(CAS DataBase Reference) |
Description and Uses
Pyridine-3,4-dicarboxylic anhydride is an important organic intermediate. It is used in agrochemical, pharmaceutical and dyestuff field.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-37/39 |
| WGK Germany | 3 |
| HazardClass | IRRITANT |
| HS Code | 29333990 |
