2-METHYL-4-PHENYL-2-BUTANOL
- CAS NO.：103-05-9
- Empirical Formula: C11H16O
- Molecular Weight: 164.24
- MDL number: MFCD00004472
- EINECS: 203-074-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:25:47
What is 2-METHYL-4-PHENYL-2-BUTANOL?
Description
2-Methyl-4-phenyl-2-butanol has a floral green, fruity, linalool character with a mildly herbaceous odor. May be prepared by reaction of phenylethyl magnesium chloride with acetone.
Chemical properties
Colorless or light yellow liquid
Chemical properties
2-METHYL-4-PHENYL-2-BUTANOL is a colorless liquid with a dry, floral, lily-like odor. It has been identified in cocoa aroma and is prepared by a Grignard reaction of benzylacetone and methyl magnesium chloride. It is used in blossom compositions.
Chemical properties
2-Methyl-4-phenyl-2-butanol has a floral, green, fruity, linalool character and mildly herbaceous odor.
Occurrence
Has apparently not been reported to occur in nature.
The Uses of 2-METHYL-4-PHENYL-2-BUTANOL
2-Phenethyl-2-propanol is a useful reagent in preparation of phenyldimethylsilyl group as a masked hydroxy group.
Preparation
By reaction of phenylethyl magnesium chloride with acetone
Aroma threshold values
Aroma characteristics at 1.0%: clean, fresh, floral reminiscent of rose and violet
Taste threshold values
Taste characteristics at 10–40 ppm: floral, rosy, oily with a slight fruity nuance
Synthesis Reference(s)
The Journal of Organic Chemistry, 60, p. 4922, 1995 DOI: 10.1021/jo00120a042
Safety Profile
Moderately toxic by ingestion andskin contact. When heated to decomposition it emits acridsmoke and irritating fumes.
Properties of 2-METHYL-4-PHENYL-2-BUTANOL
| Melting point: | 31-33 °C(lit.) |
| Boiling point: | 144 °C85 mm Hg(lit.) |
| Density | 0.966 g/mL at 25 °C(lit.) |
| vapor pressure | 4.1hPa at 20℃ |
| FEMA | 3629 | 2-METHYL-4-PHENYL-2-BUTANOL |
| refractive index | n |
| Flash point: | >230 °F |
| form | powder to lump to clear liquid |
| pka | 15.17±0.29(Predicted) |
| color | White or Colorless to Light yellow |
| Specific Gravity | 0.966 |
| Odor | at 100.00 %. clean fresh green rose linalool lily violet |
| Water Solubility | 4.569g/L at 20℃ |
| JECFA Number | 1477 |
| CAS DataBase Reference | 103-05-9(CAS DataBase Reference) |
| EPA Substance Registry System | .alpha.,.alpha.-Dimethylbenzenepropanol (103-05-9) |
Safety information for 2-METHYL-4-PHENYL-2-BUTANOL
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H318:Serious eye damage/eye irritation |
| 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 2-METHYL-4-PHENYL-2-BUTANOL
2-METHYL-4-PHENYL-2-BUTANOL manufacturer
Krystal Tech
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