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Online Edition: "Specifications for Flavourings"

Flavouring Cyclopentanethiol
Synonym(s) Cyclopentyl mercaptan
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name Cyclopentanethiol
JECFA number 516
CAS number 1679-07-8
FEMA number 3262
COE number 2321
FLAVIS number
Molecular weight 102.2
Chemical formula C5H10S
Physical form/odour colourless liquid
Solubility slightly soluble in water; soluble in alcohol and oils
Solubility in ethanol
Boiling point (°C) 131°
Assay min % 98%
Acid value max
Refractive index 1.488
Specific gravity 0.920-0.925
Other requirements
ID Test MS