ISOBUTYL BENZOATE
- CAS NO.：120-50-3
- Empirical Formula: C11H14O2
- Molecular Weight: 178.23
- MDL number: MFCD00048344
- EINECS: 204-401-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-15 13:03:24
What is ISOBUTYL BENZOATE?
Description
Isobutyl benzoate has a floral-leafy odor reminiscent of rose and geranium. May be prepared from benzoic acid and isobutyl alcohol in the presence of HCL catalyst; or by ester exchange between methylbenzoate and isobutyl alcohol in the presence of potassium isobutylate.
Chemical properties
clear colorless liquid
Chemical properties
Isobutyl benzoate has a green, floral-leafy odor reminiscent of rose and geranium.
Occurrence
Reported found in cocoa, banana, cherry, papaya, beer and cider.
The Uses of ISOBUTYL BENZOATE
2-Methylpropyl Ester Benzoic Acid is an volatile aroma compound found in natural wild cherry wine, litchi ice wine and squid. 2-Methylpropyl Ester Benzoic Acid is also a found as a component in essential oils like Dittrichia graveolens (L.) Greuter, Hypericum rumeliacum Boiss. and Alpinia Officinarum rhizomes.
The Uses of ISOBUTYL BENZOATE
Perfumes and flavors.
Preparation
From benzoic acid and isobutyl alcohol in the presence of HCl catalyst, or by ester exchange between methylbenzoate and isobutyl alcohol in the presence of potassium isobutylate
Definition
ChEBI: A benzoate ester obtained by the formal condensation of benzoic acid with isobutanol.
Taste threshold values
Taste characteristics at 30 ppm: chemical with a sweet, fruity nuance.
Properties of ISOBUTYL BENZOATE
| Boiling point: | 241-242 °C(lit.) |
| Density | 0.996 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 2185 | ISOBUTYL BENZOATE |
| Flash point: | 205 °F |
| solubility | Insoluble in water, miscible with alcohol and oils |
| form | Liquid |
| color | Clear colorless |
| Odor | at 100.00 %. sweet fruity musty powdery balsam |
| JECFA Number | 856 |
| BRN | 2045961 |
| Dielectric constant | 5.9（-7℃） |
| CAS DataBase Reference | 120-50-3(CAS DataBase Reference) |
| EPA Substance Registry System | Isobutyl benzoate (120-50-3) |
Safety information for ISOBUTYL BENZOATE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral 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. 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 ISOBUTYL BENZOATE
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