Vanillin Chemical Properties
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)
FEMA 3107 | VANILLIN
refractive index 1.4850 (estimate)
Fp 147 °C
storage temp. Refrigerator
solubility methanol: 0.1 g/mL, clear
form Crystalline Powder
color White to pale yellow
PH 4.3 (10g/l, H2O, 20℃)
Water Solubility 10 g/L (25 ºC)
Sensitive Air & Light Sensitive
Merck 14,9932
BRN 472792
Stability: Stable. May discolour on exposure to light. Moisture-sensitive. Incompatible with strong oxidizing agents, perchloric acid.
CAS DataBase Reference 121-33-5(CAS DataBase Reference)
NIST Chemistry Reference Benzaldehyde, 4-hydroxy-3-methoxy-(121-33-5)
EPA Substance Registry System Benzaldehyde, 4-hydroxy-3-methoxy-(121-33-5)
Safety Information
Hazard Codes Xn,Xi
Risk Statements 22-36/37/38-36
Safety Statements 24/25-22-37/39-26-36/37/39
RIDADR UN 2924 3/8/PG II
WGK Germany 1
RTECS YW5775000
TSCA Yes
HazardClass 3/8
PackingGroup II
HS Code 29124100
Hazardous Substances Data 121-33-5(Hazardous Substances Data)
Toxicity LD50 orally in rats, guinea pigs: 1580, 1400 mg/kg (Jenner)