8.00133

Barbituric acid

for synthesis

• Synonym(s): Barbituric acid, 2,4,6-Trihydroxypyrimidine, N,N′-Malonylurea
• Empirical Formula (Hill Notation): C₄H₄N₂O₃
• CAS Number: 67-52-7
• Molecular Weight: 128.09
• MDL number: MFCD00006666
• EC Index Number: 200-658-0

Properties

• Quality Level: 200
• Assay: ≥99% (acidimetric)
• form: solid
• potency: >5000 mg/kg LD₅₀, oral (Rat)
• pH: 2-3 (60 °C, 50 g/L in H₂O)
• mp: 250-252 °C (decomposition)
• solubility: 11.45 g/L
• bulk density: 720 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)
• InChI key: HNYOPLTXPVRDBG-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Identity (IR): passes test

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 302.0 °F - closed cup
• Flash Point(C): 150.00 °C - closed cup