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Online Edition: "Specifications for Flavourings"

Flavouring Acetaldehyde
Synonym(s) Acetic aldehyde;Ethanal
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name Acetaldehyde
JECFA number 80
CAS number 75-07-0
FEMA number 2003
COE number 89
FLAVIS number
Molecular weight 44.05
Chemical formula C2H4O
Physical form/odour flammable, colourless liquiduid/pungent ethereal odour
Solubility miscible with water, alcohol, organic solvents
Solubility in ethanol
Boiling point (°C) 21°
Assay min % 99%
Acid value max 5
Refractive index 1.360-1.380
Specific gravity 0.804-0.811(0°/20°)
Other requirements Residue on Evap.: 0.006%
ID Test IR