4-Phenyltoluene
Synonym(s):4-Methylbiphenyl
- CAS NO.：644-08-6
- Empirical Formula: C13H12
- Molecular Weight: 168.23
- MDL number: MFCD00008544
- EINECS: 211-409-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-22 18:57:36
What is 4-Phenyltoluene?
Description
Prepared by catalytic reduction of p-phenyl benzyl alcohol obtained from p-phenyl benzoic acid.
Chemical properties
White crystalline powder
Chemical properties
p-Methyl diphenyl has a floral, spicy, wintergreen, anise, waxy, mint odor.
The Uses of 4-Phenyltoluene
4-Phenyltoluene is used as a flavoring ingredient in the food industry. It also functions as a reagent used in organic and pharmaceutical synthesis.
Preparation
By catalytic reduction of p-phenyl benzyl alcohol obtained from p-phenyl benzoic acid.
Definition
ChEBI: 4-Methylbiphenyl is a member of biphenyls.
Taste threshold values
Taste characteristics at 12 ppm: spicy, estragole, fennel, floral and wintergreen
Synthesis Reference(s)
Journal of the American Chemical Society, 92, p. 6088, 1970 DOI: 10.1021/ja00723a061
Tetrahedron Letters, 37, p. 3857, 1996 DOI: 10.1016/0040-4039(96)00699-5
The Journal of Organic Chemistry, 50, p. 3104, 1985 DOI: 10.1021/jo00217a018
Biochem/physiol Actions
Taste at 12 ppm
Properties of 4-Phenyltoluene
| Melting point: | 44-47 °C (lit.) |
| Boiling point: | 267-268 °C (lit.) |
| Density | 1,015 g/cm3 |
| refractive index | 1.5761 (estimate) |
| FEMA | 3186 | 4-METHYLBIPHENYL |
| Flash point: | >230 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Soluble in DMSO |
| form | powder to crystal |
| color | White to Orange to Green |
| Odor | at 1.00 % in dipropylene glycol. floral spicy wintergreen anise waxy mint |
| Water Solubility | Insoluble in water. Soluble in alcohol and ether, very soluble in organic solvents. |
| JECFA Number | 1334 |
| BRN | 1904468 |
| CAS DataBase Reference | 644-08-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,1'-Biphenyl, 4-methyl-(644-08-6) |
| EPA Substance Registry System | 1,1'-Biphenyl, 4-methyl- (644-08-6) |
Safety information for 4-Phenyltoluene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 4-Phenyltoluene
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