Specification :

Name Sodium methylparaben
Synonyms p-Hydroxybenzoic acid methyl ester sodium salt; Sodium (p-carboxyphenoxy)-methyl
ester; 4-Hydroxybenzoic acid methyl ester sodium salt; Methyl 4-hydroxybenzoate sodium salt;
Methyl p-hydroxybenzoate sodium salt; Methylparaben sodium; Sodium 4-(methoxycarbonyl)
phenoxide; Sodium 4-carbomethoxyphenolate; Sodium methyl p-hydroxybenzoate; Sodium p-

methoxycarbonylphenoxide

Molecular Structure

Molecular Formula C8H7NaO3
Molecular Weight 174.13
CAS Registry Number 5026-62-0
EINECS 225-714-1

Name Sodium ethyl p-hydroxybenzoate
Synonyms Sodium 4-ethoxycarbonylphenoxide; p-Hydroxybenzoic acid ethyl ester sodium salt

Molecular Structure

Molecular Formula C9H9NaO3
Molecular Weight 188.8
CAS Registry Number 35285-68-8
EINECS 252-487-6

Name Sodium propylparaben
Synonyms Propyl 4-hydroxybenzoate sodium salt; Propyl p-hydroxybenzoate sodium salt;
Propylparaben sodium; Sodium propyl p-hydroxybenzoate; 4-Hydroxybenzoic acid propyl ester
sodium salt
Molecular Structure
Molecular Formula C10H11NaO3
Molecular Weight 202.18
CAS Registry Number 35285-69-9
EINECS 252-488-1

Name Butylparaben sodium salt
Synonyms Sodium butyl p-hydroxybenzoate
Molecular Structure
Molecular Formula C11H13O3Na
Molecular Weight 216.21
CAS Registry Number 36457-20-2
EINECS 253-049-7