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Substance Name: Methylparaben sodium [USAN:NF]
RN: 5026-62-0
UNII: CR6K9C2NHK
InChIKey: PESXGULMKCKJCC-UHFFFAOYSA-M

Classification Codes

  • Drug / Therapeutic Agent
  • Pharmaceutic Aid (Antimicrobial Preservative)

Molecular Formulas

  • C8-H7-Na-O3
  • C8-H7-O3.Na
  • C8-H8-O3.Na

Molecular Weight

  • 174.1303
 
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Names and Synonyms

Name of Substance

  • Benzoic acid, 4-hydroxy-, methyl ester, sodium salt
  • Methylparaben sodium [USAN:NF]
  • Methylparaben, sodium salt
  • Sodium methylparaben

Synonyms

  • Bonomold OMNa
  • EC 225-714-1
  • EINECS 225-714-1
  • Methyl p-hydroxybenzoate, sodium salt
  • Methylparaben sodium
  • Preserval MS
  • Sodium 4-carbomethoxyphenolate
  • Sodium methyl p-hydroxybenzoate
  • Sodium methylparaben
  • Sodium p-methoxycarbonylphenoxide
  • Solparol
  • UNII-CR6K9C2NHK

Systematic Names

  • Benzoic acid, 4-hydroxy-, methyl ester, sodium salt
  • Benzoic acid, p-hydroxy-, methyl ester, sodium deriv.
  • Sodium 4-(methoxycarbonyl)phenolate
  • Sodium, (p-carboxyphenoxy)-, methyl ester (7CI)

Registry Numbers

CAS Registry Number

  • 5026-62-0

FDA UNII

  • CR6K9C2NHK

Related Registry Number

  • 99-76-3 (Parent)

System Generated Number

  • 0005026620

Molecular Formulas

Molecular Formulas

  • C8-H7-Na-O3
  • C8-H7-O3.Na
  • C8-H8-O3.Na

Molecular Formula Fragments

  • C8-H7-O3
  • C8-H8-O3
  • COMPONENT
  • Na

Structure Descriptors

InChI

InChI=1S/C8H8O3.Na/c1-11-8(10)6-2-4-7(9)5-3-6;/h2-5,9H,1H3;/q;+1/p-1

InChIKey

PESXGULMKCKJCC-UHFFFAOYSA-M

Smiles

[Na+].COC(=O)c1ccc([O-])cc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 760mg/kg (760mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ATAXIA

PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)
Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 45, Pg. 260, 1956.
mouse LD50 intravenous 170mg/kg (170mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 45, Pg. 260, 1956.
mouse LD50 oral 2gm/kg (2000mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 45, Pg. 260, 1956.