8.03244

N,N′-Dimethylurea

for synthesis

• Synonym(s): N,N′-Dimethylurea, 1,3-Dimethylurea
• Empirical Formula (Hill Notation): C₃H₈N₂O
• CAS Number: 96-31-1
• Molecular Weight: 88.11
• MDL number: MFCD00008286
• UNSPSC Code: 12352111
• EC Index Number: 202-498-7
• NACRES: NA.22

Properties

• vapor pressure: 6 hPa ( 115 °C)
• Quality Level: 200
• form: crystals
• autoignition temp.: 400 °C
• potency: 4000 mg/kg LD₅₀, oral (Rat)
• pH: 9.0-9.5 (20 °C, 100 g/L in H₂O)
• bp: 268-270 °C/1013 hPa
• mp: 105-108 °C
• transition temp: flash point 154 °C (DIN 51758)
• density: 1.14 g/cm³ at 20 °C
• bulk density: 500 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C3H8N2O/c1-4-3(6)5-2/h1-2H3,(H2,4,5,6)
• InChI key: MGJKQDOBUOMPEZ-UHFFFAOYSA-N

Description

Analysis Note

Assay (HClO₄): ≥ 98.0 %
Melting range (lower value): ≥ 102 °C
Melting range (upper value): ≤ 107 °C
Identity (IR): passes test

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: 314.6 °F - closed cup
• flash_point_c: 157 °C - closed cup