Brand: zzyc
Model: 96-48-0
Min. Order: 10g
CAS: 96-48-0
EINECS number: 202-509-5
【Structure or Molecular Formula】
Molecular Formula: C4H6O2
Molecular structure: carbonyl C, O atoms are sp2 hybrid orbitals to form sigma bonds. Other C and O atoms all form sigma bonds with sp3 hybrid orbitals.
[relative molecular weight or atomic weight] 86.09
[density] Relative density 1.1253 (25/4°C)
[melting point (°C)] - 43.53
[boiling point (°C)]204
[Refractive index 15°C] 1.4348
Boundary constant (20°C)39
Dipole moment (25°C benzene): 13.74
Critical temperature: 436°C
Critical pressure: 3.4 mPa.
Viscosity: 1.7 mPa.s 25°C.
Tension: 52.3 mN/m. 25°C.
Flash point: 98.3 (open cup).
Evaporation heat (204°C)(kj/mol) :52.3
【Properties】
Colorless oily liquid, slightly ketone-like. Commercial ph about 4.5.
Chemical properties: Stable in neutral medium, easy to produce reversible hydrolysis in hot alkali, and lactone again when ph returns to neutral. Slow hydrolysis in acidic media.
Content: 99.5% or more