ALPHA,P-DIMETHYLSTYRENE
- CAS NO.：1195-32-0
- Empirical Formula: C10H12
- Molecular Weight: 132.2
- MDL number: MFCD00036510
- EINECS: 214-795-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:57
What is ALPHA,P-DIMETHYLSTYRENE?
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
The Uses of ALPHA,P-DIMETHYLSTYRENE
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.
Preparation
By passing a stream of p-cymene and water vapors over activated aluminum oxide at 730°C.
Definition
ChEBI: P-Mentha-1,3,5,8-tetraene is a monocyclic hydrocarbon and a monoterpene.
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.
Properties of ALPHA,P-DIMETHYLSTYRENE
| Melting point: | −28 °C(lit.) |
| Boiling point: | 186-189 °C(lit.) |
| Density | 0.904 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 3144 | P,ALPHA-DIMETHYLSTYRENE |
| Flash point: | 144 °F |
| storage temp. | 2-8°C |
| 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 |
| Water Solubility | Insoluble in water, soluble in alcohol, miscible with oils. |
| JECFA Number | 1333 |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 1195-32-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-CH3C6H4C(CH3)CH2(1195-32-0) |
| EPA Substance Registry System | p,.alpha.-Dimethylstyrene (1195-32-0) |
Safety information for ALPHA,P-DIMETHYLSTYRENE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for ALPHA,P-DIMETHYLSTYRENE
New Products
Tert-butyl bis(2-chloroethyl)carbamate 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL N-octanoyl benzotriazole 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid DIETHYL AMINOMALONATE HYDROCHLORIDE 1,1’-CARBONYLDIIMIDAZOLE R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) N-METHYL INDAZOLE-3-CARBOXYLIC ACID (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 5-BROMO-2CYANO PYRIDINE 5,6-Dimethoxyindanone 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
![4-[1,1'-BIPHENYL]-4-YL-2-OXO-2,5-DIHYDRO-3-FURANCARBONITRILE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB8720762.gif)
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