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Online Edition: "Specifications for Flavourings"

Flavouring Pyrrole
Synonym(s) Azole;Imidole;Divinyleneimine
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Chemical name Pyrrole
JECFA number 1314
CAS number 109-97-7
FEMA number 3386
COE number
FLAVIS number 14.041
Molecular weight 67.09
Chemical formula C4H5N
Physical form/odour Colourless to yellowish liquid; Nutty, sweet, warm, ethereal aroma
Solubility Soluble in most fixed oils; Slightly soluble in water
Solubility in ethanol Soluble
Boiling point (°C) 130-131°
Assay min % 98%
Acid value max 1
Refractive index 1.507-1.510
Specific gravity 0.955-0.975
Other requirements
ID Test IR
Spectrum