Vapor Pressure 0.263mmHg at 25°CStorage Condition Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Stability Stable under normal temperatures and pressures.
Water Solubility 0.25 g/L (25 ºC)
Refractive Index 1.542-1.548
Flash Point 80ºC
Melting Point -6ºC
Boiling Point 204-205ºC
Appearance & Physical State clear to pale yellow liquid
Molecular Weight 120.14900
Molecular Formula C8H8O
CAS No. 104-87-0
Chemical Name p-tolualdehyde
4-Methylbenzaldehyde is a simple aromatic aldehyde. It is commercially available, but may be prepared from the Friedel-Crafts formylation of toluene with carbon monoxide and hydrogen chloride under Gattermann-Koch conditions:. 4-Methylbenzaldehyde has a cherry-like scent similar to benzaldehyde.
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