Sodium4-(ethoxycarbonyl)phenolate , 95% , 35285-68-8

Synonym(s):
Ethyl 4-hydroxybenzoate sodium salt;p-Hydroxybenzoic acid ethyl ester sodium salt, Ethylparaben sodium salt

CAS NO.：35285-68-8

Empirical Formula: C9H9NaO3

Molecular Weight: 188.16

MDL number: MFCD00016475

EINECS: 252-487-6

PRODUCT Properties

• 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)
• LogP: -0.14 at 23℃

Description and Uses

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.

Safety

• Symbol(GHS): GHS05
• Signal word: Danger
• Hazard statements: H318
• Precautionary statements: P280-P305+P351+P338
• WGK Germany: WGK 1 slightly water endangering
• HS Code: 2918 29 00
• Toxicity: LD50 orally in Rabbit: > 2000 mg/kg