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Online Edition: "Specifications for Flavourings"


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Flavouring Hexanal butane-2,3-diol acetal
Synonym(s) -
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 4,5-Dimethyl-2-pentyl-1,3-dioxolane
JECFA number 1737
CAS number 155639-75-1  
FEMA number 4384
COE number -
FLAVIS number -
Molecular weight 172.27 
Chemical formula C10H20O2  
Physical form/odour Clear, colourless liquid; Sweet, fatty, green aroma 
Solubility Insoluble in water; soluble in organic solvents 
Solubility in ethanol Soluble 
Boiling point (°C) 211-213°
Assay min % 98%
Acid value max 1
Refractive index 1.430-1.437
Specific gravity 0.845-0.851
Other requirements -
ID Test MS
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1737-ms.gif



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