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Online Edition: "Specifications for Flavourings"
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| Flavouring |
p,alpha-Dimethylstyrene |
| Synonym(s) |
4-Isopropenyltoluene
1-Methyl-4-(1-methylethenyl)benzene
1-Methyl-4-isopropenylbenzene
1-p-Tolyl-1-methylethylene
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| Latest JECFA evaluation |
2004 (Session 63)
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| Status of specification |
Full |
| Chemical name |
1-Isopropenyl-4-methylbenzene
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| JECFA number |
1333 |
| CAS number |
1195-32-0
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| FEMA number |
3144
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| COE number |
-
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| FLAVIS number |
01.010
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| Molecular weight |
132.2 |
| Chemical formula |
C10H12
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| Physical form/odour |
Colourless mobile liquid; citrusy-lemon like aroma |
| Solubility |
Insoluble in water; soluble in oils |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
186-189° |
| Assay min % |
97% |
| Acid value max |
<1.0 |
| Refractive index |
1.532-1.535 |
| Specific gravity |
0.846-0.854 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1333.gif
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