Synonyms: 1,3-Diaza-2,4-cyclopentadiene; Glyoxaline
Formula: C3H4N2
Formula Weight: 68.08
CAS No.: 288-32-4
Purity: ≥99.5% (GC)
Application: Excellent for buffers in the range of pH 6.2-7.8
Other Notes: For titration of aspartic acid and glutamic acid1
Anion Traces: chloride (Cl-): ≤50 mg/kg
Assay: ≥99.5% (GC)
BP: 256°C(lit.)
Cation Traces: Ca: ≤10 mg/kg
Grade: puriss. p.a.
Ign. Residue (900 °C): ≤0.1%
MP: 88-91°C(lit.)
pH: 9.5-11.0 (25°C, 50 mg/mL in H2O)
pKa (25°C): 6.95
Vapor Pressure: <1 mmHg ( 20°C)