DL-Pyroglutamic acid
- Product NameDL-Pyroglutamic acid
- CAS149-87-1
- CBNumberCB2709505
- MFC5H7NO3
- MW129.11
- EINECS205-748-3
- MDL NumberMFCD00064322
- MOL File149-87-1.mol
- MSDS FileSDS
Chemical Properties
| Melting point | 183-185 °C(lit.) |
| Boiling point | 239.15°C (rough estimate) |
| Density | 1.3816 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.4220 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 52g/l |
| pka | 3.48±0.20(Predicted) |
| form | Crystalline Powder |
| color | White |
| PH | 1.7 (50g/l, H2O, 20℃) |
| Water Solubility | 5.67 g/100 mL (20 ºC) |
| BRN | 82131 |
| Major Application | peptide synthesis |
| InChI | 1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9) |
| InChIKey | ODHCTXKNWHHXJC-UHFFFAOYSA-N |
| SMILES | OC(=O)C1CCC(=O)N1 |
| LogP | 0.065 at 21.1℃ |
Safety
| Symbol(GHS) |
 
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| Signal word | Warning | |||||||||
| Hazard statements | H318-H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P305+P351+P338-P280a-P304+P340-P405-P501a | |||||||||
| Hazard Codes | Xn,Xi | |||||||||
| Risk Statements | 22-36/37/38 | |||||||||
| Safety Statements | 26-37/39 | |||||||||
| WGK Germany | 3 | |||||||||
| HazardClass | IRRITANT | |||||||||
| HS Code | 29337900 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| NFPA 704: |
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