4-METHYL-1-PHENYL-2-PENTANOL
Synonym(s):4-Methyl-1-phenyl-2-pentanol
- CAS NO.:7779-78-4
- Empirical Formula: C12H18O
- Molecular Weight: 178.27
- MDL number: MFCD00209515
- EINECS: 231-939-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-06-07 14:37:41
What is 4-METHYL-1-PHENYL-2-PENTANOL?
Description
α-Isobutylphenethyl alcohol has a green, floral, somewhat herbaceous odor and a buttery, oily, caramellic flavor. May be prepared by reacting isobutyl aldehyde with benzyl magnesium chloride.
Chemical properties
α-Isobutylphenethyl alcohol has a green floral, fresh, slightly sweet aroma.
The Uses of 4-METHYL-1-PHENYL-2-PENTANOL
α-Isobutylphenethyl alcohol is an excellent modifier in heavy and green floral fragrance types, in Oriental or Chypre bases, etc. It may form a significant basis of Honeysuckle, Freesia or variations of Rose or Muguet. It is used in flavor compositions for imitation Butter, Caramel, Chocolate, Fruit and Spice in concentrations equivalent to 50 ppm in the finished consumer product.
Preparation
By reacting isobutyl aldehyde with benzyl magnesium chloride.
Aroma threshold values
Aroma characteristics at 1.0%: herbaceous, warm celery-like, musk and creamy with a slight floral citrus nuance
Taste threshold values
Taste characteristics at 10 ppm: warm, amber sclarolide herbaceous celery-like with oily and creamy nuances.
Biochem/physiol Actions
Taste at 10 ppm
Synthesis
4-Methyl-1-phenyl-2-pentanol is prepared from benzyl chloride to benzyl magnesium bromide, and then hydrolyzed with isovaleraldehyde after Grignard reaction.
Properties of 4-METHYL-1-PHENYL-2-PENTANOL
Boiling point: | 123 °C / 11mmHg |
Density | 0.95 |
refractive index | 1.5030 to 1.5070 |
FEMA | 2208 | ALPHA-ISOBUTYLPHENETHYL ALCOHOL |
Flash point: | 110 °C |
storage temp. | Sealed in dry,Room Temperature |
solubility | slightly oily liquid. insoluble in water, miscible with alcohol and oils. |
form | clear liquid |
Specific Gravity | 0.94 |
color | Colorless to Almost colorless |
Odor | Green-floral, fresh and slightly sweet-herbaceous odor |
JECFA Number | 827 |
EPA Substance Registry System | Benzeneethanol, .alpha.-(2-methylpropyl)- (7779-78-4) |
Safety information for 4-METHYL-1-PHENYL-2-PENTANOL
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 4-METHYL-1-PHENYL-2-PENTANOL
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