Benzylparaben Chemical Properties

Melting point:

109-112 °C(lit.)

Boiling point:

170℃

Density 

1.1799

vapor pressure 

0Pa at 25℃

refractive index 

1.5805

Flash point:

167℃

storage temp. 

Inert atmosphere,2-8°C

solubility 

ethanol: soluble25mg/mL, clear, colorless

form 

Powder

pka

8.18±0.15(Predicted)

color 

White to Almost white

Water Solubility 

92mg/L(25 ºC)

BRN 

2115995

LogP

2.185 at 25℃

CAS DataBase Reference

94-18-8(CAS DataBase Reference)

NIST Chemistry Reference

Benzyl 4-hydroxybenzoate(94-18-8)

EPA Substance Registry System

Benzoic acid, 4-hydroxy-, phenylmethyl ester (94-18-8)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36-37/39

RIDADR 

3077

WGK Germany 

3

RTECS 

DH2691000

TSCA 

Yes

HazardClass 

IRRITANT

PackingGroup 

III

HS Code 

29181990

MSDS

• Language:English Provider:Benzyl paraben
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

Benzylparaben Usage And Synthesis

Chemical Properties

white to light yellow fine powder

Uses

preservative in cosmetics and pharmaceutical preparations

Uses

Benzyl 4-hydroxybenzoate may be used as internal standard for the simultaneous analysis of non-steroidal anti-inflammatory drugs in human plasma and urine using microextraction by packed sorbent and HPLC method. It may be employed as internal standard for the HPLC determination of rutin, kaempferol, genistein, formononetin and biochanin A in Ononis spinosu roots.

Uses

An antimicrobial

Definition

ChEBI: Benzyl parahydroxybenzoate is a benzoate ester and a benzyl ester.

General Description

Benzyl 4-hydroxybenzoate (Paraben, Benzyl Paraben) is an ester of para-hydroxy benzoic acid. It has been added to various cosmetics and personal care products as a preservative. Its quantification in cosmetics has been reported by HPLC methods. Microwave assisted synthesis of benzyl 4-hydroxybenzoate by reaction between (4-hydroxybenzoic) acid and K₂CO₃ in presence of phase transfer catalyst has been reported. It is an endocrine disrupting chemical (EDC). It is a promising candidate for use in pharmaceutical and personal care products. Its visible-light assisted photosensitized degradation in homogeneous aqueous solution of 4,4′,4′′,4′′′-(porphine-5,10,15,20-tetrayl)tetrakis(benzenesulphonic acid) has been investigated.

Flammability and Explosibility

Not classified

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.

Benzylparaben(94-18-8)Related Product Information

• Benzoyl peroxide
• 4-Hydroxybenzoic acid
• Isopropylparaben
• Heptyl 4-hydroxybenzoate
• Methyl 4-methylbenzoate
• Methylparaben
• Methyl 4-(bromomethyl)benzoate
• Benzyl chloride
• Sodium methylparaben
• Benzyl alcohol
• Benzyl acetate
• 4-Hydroxybenzhydrazide
• Butylparaben
• Methyl salicylate
• Benzyl benzoate
• 2'-Hydroxy-3-phenylpropiophenone
• Methyl 4-cyanobenzoate
• 4-METHOXYBENZOIC ANHYDRIDE