Dl-pyroglutamic acid

• Catalog Number: ACM149871
• Product Name: Dl-pyroglutamic acid
• CAS: 149-87-1
• Category: Heterocyclic Organic Compound
• Synonyms: 2-Pyrrolidone-5-carboxylic acid
• IUPAC Name: 5-Oxopyrrolidine-2-carboxylic acid
• Molecular Weight: 129.11
• Molecular Formula: C5H7NO3
• Canonical SMILES: C1CC(=O)NC1C(=O)O
• InChI: InChI=1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)
• InChI Key: ODHCTXKNWHHXJC-UHFFFAOYSA-N
• Boiling Point: 239.15 °C
• Melting Point: 183-185 °C (lit.)
• Appearance: White solid
• Hazard Statements: Xn,Xi
• pH: 1.7 (50g/l, H₂O, 20°C)
• pKa: 3.48±0.20
• Safety Description: 26-37/39
• Supplemental Hazard Statements: H318-H302-H315-H319-H335
• Symbol: GHS05,GHS07