Food safety and quality: details

Flavouring	2,5-Dihydroxy-1,4-dithiane
Synonym(s)	Mercaptoacetaldehyde dimer;p-Diathane-2,5-diol
Latest JECFA evaluation	1999 (Session 53)
Status of specification	Full
Information required
Chemical name	2,5-Dihydroxy-1,4-dithiane
JECFA number	550
CAS number	40018-26-6
FEMA number	3826
COE number
FLAVIS number
Molecular weight	152.23
Chemical formula	C4H8O2S2
Physical form/odour	white to off-white powder
Solubility	slightly soluble in water; soluble in alcohol
Solubility in ethanol
Boiling point (°C)	NA
Assay min %	97%
Acid value max
Refractive index	NA
Specific gravity	NA
Other requirements	Melting Pt.: 130°
ID Test	IR, MS
Spectrum