Food safety and quality
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Flavouring |
Propyleneglycol di-2-methylbutyrate |
Synonym(s) |
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Latest JECFA evaluation |
2010 (Session 73) |
Status of specification |
Full |
Information required |
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Chemical name |
propane-1,2-diyl bis(2-methylbutanoate) |
JECFA number |
1982 |
CAS number |
155514-30-0 |
FEMA number |
4468 |
COE number |
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FLAVIS number |
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Molecular weight |
244.33 |
Chemical formula |
C13H24O4 |
Physical form/odour |
Clear colourless liquid; Mild fruity to slightly buttery aroma |
Solubility |
Practically insoluble or insoluble in water |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
291-296° |
Assay min % |
98% |
Acid value max |
1 |
Refractive index |
1.422-1.427 |
Specific gravity |
0.952-0.957 (20°) |
Other requirements |
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ID Test |
HNMR |
Spectrum |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1982-hnmr.gif)
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