Appearance:Crystalline Powder
Throughput:100|Kilogram|Day
pd_productuse:intermediate
Delivery Time:instock
Purity:99.9
Product Name: Protocatechualdehyde
CAS: 139-85-5
MF: C7H6O3
MW: 138.12
EINECS: 205-377-7
Mol File: 139-85-5.mol
Protocatechualdehyde Structure
Protocatechualdehyde Chemical Properties
Melting point 150-157 °C(lit.)
Boiling point 213.5°C (rough estimate)
density 1.2667 (rough estimate)
refractive index 1.4600 (estimate)
storage temp. 2-8°C
solubility 6.3g/l
pka pK (25°) 7.55
form Crystalline Powder
color slightly brown
Water Solubility 50 g/L (20 ºC)
Sensitive Air Sensitive
Merck 14,7893
BRN 774381
Stability: Stable. Incompatible with strong bases, strong oxidizing agents.
CAS DataBase Reference 139-85-5(CAS DataBase Reference)
NIST Chemistry Reference 3,4-Dihydroxybenzaldehyde(139-85-5)
EPA Substance Registry System Benzaldehyde, 3,4-dihydroxy- (139-85-5)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38-22
Safety Statements 26-36-37/39
WGK Germany 3
RTECS UL0380000
F 9
Hazard Note Irritant/Air Sensitive
HS Code 29124900
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