p-Hydroxybenzoic acid ethyl ester sodium salt
Synonym(s):Ethyl 4-hydroxybenzoate sodium salt;p-Hydroxybenzoic acid ethyl ester sodium salt, Ethylparaben sodium salt
- CAS NO.：35285-68-8
- Empirical Formula: C9H11NaO3
- Molecular Weight: 190.17
- MDL number: MFCD00016475
- EINECS: 252-487-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-21 22:41:43
What is p-Hydroxybenzoic acid ethyl ester sodium salt?
Chemical properties
White or almost white, hygroscopic, crystalline powder.
The Uses of p-Hydroxybenzoic acid ethyl ester sodium salt
Ethyl 4-hydroxybenzoate has antimicrobial characteristics and is used as preservative in pharmaceutical formulations and cosmetics. It can be combined with other parabens like methyl 4-hydroxybenzoate or propyl 4-hydroxybenzoate. The sodium salt provides improved solubility in water compared to standard ethyl 4-hydroxybenzoate.
Flammability and Explosibility
Non flammable
Contact allergens
This substance is one of the parabens family. Parabens are esters formed by p-hydroxybenzoic acid and an alcohol. They are largely used as biocides in cosmetics and toiletries, medicaments, or food. They have synergistic power with other biocides. Parabens can induce allergic contact dermatitis, mainly in chronic dermatitis and wounded skin.
Properties of p-Hydroxybenzoic acid ethyl ester sodium salt
| Melting point: | >115°C(free ester) |
| Density | 1.34[at 20℃] |
| Flash point: | 121°C |
| storage temp. | Store at +15°C to +25°C. |
| solubility | White or almost white, hygroscopic, crystalline powder. |
| pka | 8.4[at 20 ℃] |
| form | Solid |
| color | White to Off-White |
| PH | 10 (1g/l, H2O, 20°C) |
| Water Solubility | 1000g/L at 23℃ |
| Boiling point: | 297°C (1013 hPa)(free ester),(decomposition) |
| CAS DataBase Reference | 35285-68-8(CAS DataBase Reference) |
Safety information for p-Hydroxybenzoic acid ethyl ester sodium salt
| 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 p-Hydroxybenzoic acid ethyl ester sodium salt
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