para-alpha-dimethyl styrene
p,alpha-dimethylstyrene
Identification
| Name | para-alpha-dimethyl styrene |
| IUPAC | 1-methyl-4-prop-1-en-2-ylbenzene |
| CAS Number | 1195-32-0 |
| EINECS | 214-795-9 |
| FDA UNII | XC8HY3OB86 |
| Molecular Formula | C10 H12 |
| Molecular Weight | 132.20564000 |
| MDL Number | MFCD00036510 |
| Nikkaji Number | J86.000J |
| CoE Number | 2260 |
Regulatory
| JECFA Food Flavoring | 1333 p,alpha-dimethylstyrene |
| DG SANTE Food Flavourings | 01.010 1-isopropenyl-4-methylbenzene |
| FEMA Number | 3144 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 1195-32-0 ; P,ALPHA-DIMETHYLSTYRENE |
Physical Properties
| Appearance | colorless clear liquid (est) |
| Assay | 97.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | -28.00 °C. @ 760.00 mm Hg |
| Boiling Point | 186.00 to 189.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 0.834000 mmHg @ 25.00 °C. (est) |
| Flash Point | 145.00 °F. TCC ( 62.78 °C. ) |
| logP (o/w) | 3.782 (est) |
| Shelf Life | 24.00 month(s) or longer if stored properly. |
| Storage | store in cool, dry place in tightly sealed containers, protected from heat and light. |
| Soluble in | alcohol |
| Insoluble in | water |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | perfuming agents |
Organoleptic Properties
| Odor Description |
at 0.10 % in dipropylene glycol. Phenolic, spicy, styrene, eugenol and guaiacol-like with musty, coffee and nutty nuances Herbaceous, leathery, peppery, with notes of elemi oil and thyme, as well as a touch of citrus Burnt wood, roast coffee
|
| Taste Description |
at 2.50 ppm. Characteristic oregano, spicy spicy
|
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavor and fragrance agents |
| RIFM Fragrance Material Safety Assessment | Search |
| Recommendation for para-alpha-dimethyl styrene usage levels up to | 0.1000 % in the fragrance concentrate. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 18.00 (μg/capita/day) |
| Maximised Survey-derived Daily Intakes (MSDI-USA) | 0.30 (μg/capita/day) |
| Threshold of Concern | 1800 (μg/person/day) |
| Structure Class | I |
| baked goods | - |
| beverages(nonalcoholic) | - |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | - |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | - |
| fish products | - |
| frozen dairy | - |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | - |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | - |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | - |
| sugar substitutes | - |
| sweet sauces | - |
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Potential Uses
Natural Occurrence
Synonyms
benzene, 1-methyl-4-(1-methylethenyl)-
p-
cymene, dehydro-
p-
cymenene
para-
cymenene
dehydro p-cymene
dehydro para cymene
dehydro para-cymene
dehydro-p-cymene
dehydro-para-cymene
p-,alpha-
dimethyl styrene
p-alpha-
dimethyl styrene
p,alpha-
dimethyl styrene
para-,alpha-
dimethyl styrene
alpha-, para-
dimethylstyrene
p-,alpha-
dimethylstyrene
p-a-
dimethylstyrene
p-alpha-
dimethylstyrene
p,a-
dimethylstyrene
p,alpha-
dimethylstyrene
para-,alpha-
dimethylstyrene
para-alpha-
dimethylstyrene
dimethylstyrene, p-a-
habanene (Bedoukian)
4-
methyl isopropenyl benzene
2-(para-
methyl phenyl) propene
4-
methyl-1-(1-methylvinyl)benzene
1-
methyl-4-(1-methyl ethenyl) benzene
1-
methyl-4-(1-methylethenyl)benzene
1-
methyl-4-(prop-1-en-2-yl)benzene
1-
methyl-4-isopropenyl benzene
1-
methyl-4-isopropenylbenzene
1-
methyl-4-prop-1-en-2-yl-benzene
1-
methyl-4-prop-1-en-2-ylbenzene
4-
methyl-a-methylstyrene
4-
methyl-alpha-methyl styrene
methyl-p-isopropenylbenzene
alpha-
methyl-p-methyl styrene
a-
methyl-p-methylstyrene
methyl-para-isopropenyl benzene
alpha-
methyl-para-methyl styrene
4-
methylisopropenylbenzene
p-
methylisopropenylbenzene
2-(4-
methylphenyl)propene
2-(p-
methylphenyl)propene
para-iso
propenyl toluene
1-iso
propenyl-4-methylbenzene
4-iso
propenyltoluene
p-iso
propenyltoluene
iso
propenyltoluene, p-
styrene, p-a-dimethyl-
styrene, p,a-dimethyl-
2-para-
tolyl propene
1-p-
tolyl-1-methylethylene
2-p-
tolyl-1-propene
2-(p-
tolyl)propene
2-p-
tolylpropene
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