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Online Edition: "Specifications for Flavourings"

Flavouring 1-Methylnaphthalene
Synonym(s) alpha-Methylnaphthalene
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name 1-Methylnaphthalene
JECFA number 1335
CAS number 90-12-0
FEMA number 3193
COE number
FLAVIS number 01.014
Molecular weight 142.2
Chemical formula C11H10
Physical form/odour Colourless to slightly pale yellow liquid; Earthy, phenolic aroma
Solubility Insoluble in water; Soluble in oils
Solubility in ethanol Soluble
Boiling point (°C) 241-245°
Assay min % 97%
Acid value max <1.0
Refractive index 1.612-1.618
Specific gravity 1.020-1.025
Other requirements