| Identification | More | [Name]
ALPHA,P-DIMETHYLSTYRENE | [CAS]
1195-32-0 | [Synonyms]
1-METHYL-4-ISOPROPENYLBENZENE
4-ISOPROPENYLTOLUENE
ALPHA,P-DIMETHYLSTYRENE
DEHYDRO PARA CYMENE
DIHYDRO PARACYMENE
FEMA 3144
P,A-DIMETHYLSTYRENE
P,ALPHA-DIMETHYLSTYRENE
1-Isopropenyl-4-methylbenzene
1-isopropenyl-4-methyl-benzene
1-methyl-4-(1-methylethenyl)-benzen
1-methyl-4-(1-methylethenyl)benzene
1-methyl-4-(1-methylethenyl)-Benzene
1-methyl-4alpha-methylstyrene
2-(p-Methylphenyl)propene
2-p-Tolylpropene
4-isopropenyl-1-methylbenzene
4-Methyl-alpha-methylstyrene
alpha,4-Dimethylstyrene
Benzene, 1-methyl-4-(1-methylethenyl)- | [EINECS(EC#)]
214-795-9 | [Molecular Formula]
C10H12 | [MDL Number]
MFCD00036510 | [Molecular Weight]
132.2 | [MOL File]
1195-32-0.mol |
| Chemical Properties | Back Directory | [Appearance]
Clear colorless to light yellow liquid | [Melting point ]
−28 °C(lit.) | [Boiling point ]
186-189 °C(lit.) | [density ]
0.904 g/mL at 25 °C(lit.)
| [FEMA ]
3144 | [refractive index ]
n20/D 1.535(lit.)
| [Fp ]
144 °F
| [storage temp. ]
Freezer | [solubility ]
Chloroform (Slightly), Methanol (Slightly) | [form ]
Oil | [color ]
Colourless | [Specific Gravity]
0.85 | [Odor]
at 0.10 % in dipropylene glycol. phenolic spicy styrene clove guaiacol | [biological source]
synthetic | [Odor Type]
phenolic | [Water Solubility ]
Insoluble in water, soluble in alcohol, miscible with oils. | [JECFA Number]
1333 | [Stability:]
Light Sensitive | [LogP]
3.71 | [CAS DataBase Reference]
1195-32-0(CAS DataBase Reference) | [NIST Chemistry Reference]
4-CH3C6H4C(CH3)CH2(1195-32-0) | [EPA Substance Registry System]
1195-32-0(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection . | [WGK Germany ]
2
| [TSCA ]
Yes | [HS Code ]
29029090 |
| Hazard Information | Back Directory | [Chemical Properties]
Clear colorless to light yellow liquid | [Chemical Properties]
p,α-Dimethyl styrene has a citrusy-lemon-like aroma. | [Occurrence]
Reported found in pepper, coffee, anise and parsley | [Uses]
α, p-dimethylstyrene has been suggested for
use in perfume compositions, mainly as a
component in certain artificial essential oils.
In Lemon fragrances for industrial masking
purposes it may introduce lift, power and
freshness. | [Definition]
ChEBI: P-Mentha-1,3,5,8-tetraene is a monocyclic hydrocarbon and a monoterpene. | [Preparation]
By passing a stream of p-cymene and water vapors over activated aluminum oxide at 730°C. | [Taste threshold values]
Taste characteristics at 2.5 ppm: spicy, balsamic, musty, and eugenol/guiacol-like with a nutty nuance. | [Synthesis Reference(s)]
Journal of the American Chemical Society, 118, p. 3970, 1996 DOI: 10.1021/ja9600486
The Journal of Organic Chemistry, 44, p. 3157, 1979 DOI: 10.1021/jo01332a014
Synthetic Communications, 19, p. 3353, 1989 DOI: 10.1080/00397918908052740 | [General Description]
p,α-Dimethylstyrene has been identified as one of the volatile flavor constituents in litchi, essential oils of distilled Mexican lime and parsley. |
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