2-Ethylhexyl 4-hydroxybenzoate
- CAS NO.：5153-25-3
- Empirical Formula: C15H22O3
- Molecular Weight: 250.33
- MDL number: MFCD00016472
- EINECS: 225-925-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is 2-Ethylhexyl 4-hydroxybenzoate?
Characteristics
The characteristics of 2-Ethylhexyl 4-hydroxybenzoate are: with the increase of the alkyl group in the paraben, the water solubility gradually decreases, the fat solubility increases gradually, the toxicity also decreases, and the antibacterial activity increases , in which esters of alkyl carbon chains with 11 and 12 carbons have the greatest antibacterial activity.
The Uses of 2-Ethylhexyl 4-hydroxybenzoate
2-Ethylhexyl 4-hydroxybenzoate is a broad-spectrum, high-efficiency, low-toxicity food preservative, and one of the three major food preservatives recognized internationally.
Definition
ChEBI: 2-Ethylhexyl-4-hydroxybenzoate is a benzoate ester.
Synthesis
Synthesis of 2-Ethylhexyl 4-hydroxybenzoate usually uses p-hydroxybenzoic acid (P-hydroxybenzoic acid) and the corresponding alcohol for esterification to azeotrope with water agents (such as petroleum ether, benzene, toluene, cyclohexane, etc.)
Properties of 2-Ethylhexyl 4-hydroxybenzoate
| Boiling point: | 270°C/50mmHg(lit.) |
| Density | 1.035±0.06 g/cm3(Predicted) |
| refractive index | 1.5190 to 1.5220 |
| pka | 8.20±0.15(Predicted) |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
| CAS DataBase Reference | 5153-25-3(CAS DataBase Reference) |
| EPA Substance Registry System | Benzoic acid, 4-hydroxy-, 2-ethylhexyl ester (5153-25-3) |
Safety information for 2-Ethylhexyl 4-hydroxybenzoate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye 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. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P501:Dispose of contents/container to..… |
Computed Descriptors for 2-Ethylhexyl 4-hydroxybenzoate
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