English name: Vanillin
CAS number: 121-33-5
Molecular formula: C8H8O3
Molecular weight: 152.15
EINECS number: 204-465-2
MDL No.:MFCD00006942
attribute
Melting point 81-83 ° C (lit.)
Boiling point 170 ° C15 mm Hg (lit.)
Density 1.06
Vapor density 5.3 (vs air)
Vapor pressure>0.01 mm Hg (25 ° C)
Refractive index 1.4850 (estimate)
FEMA3107 | VANILLIN
Flash point 147 ° C
Storage conditions 2-8 ° C
Solubility methanol: 0.1 g/mL, clear
Crystalline Powder Form
Acidity coefficient (pKa) pKa 7.396 ± 0.004 (H2O I=0.00 t=25.0 ± 1.0) (Reliable)
Color White to pale yellow
PH value 4.3 (10g/l, H2O, 20 ℃)
Odor at 100.00% vanilla
Fragrant vanilla
Water solubility 10 g/L (25 º C)
Air&Light Sensitivity
Merck14,9932
JECFA Number889
BRN472792
Stability is stable May discolour on exposure to light. Moisture-sensitive. Incompatible with strong oxidizing agents, perchloric acid.
LogP1.17 at 25℃