UN No.: UN3288 pH: 5.5 (25 g/l, H2O, 20°C) Solubility: 723 g/l (25°C) Melting Point: 650°C Molar Mass: 125.84 g/mol Boiling Point: 1190°C Density: 2.977 g/cm3 (25°C)

Synonyms: 1-Hydroxy-2,5-pyrrolidinedione Hill Formula: C₄H₅NO₃ CAS Number: 6066-82-6

Synonyms: Phenol sodium salt Hill Formula: C₆H₅ONa * ₃ H₂O CAS Number: 156150-40-2 UN Number: UN2905

CAS No.: 10026-13-8 pH: (H2O) acidic Solubility: (20°C) soluble,(decomposition) Melting Point: 148°C Molar Mass: 208.24 g/mol Boiling Point: 167°C (decomposition) Vapor Pressure: 0.016 hPa (20°C) Density: 2.1 g/cm3 (20°C)