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Substance Name: Phemfilcon A [USAN]
RN: 29403-23-4

Classification Codes

  • Contact Lens Material (Hydrophilic)
  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)

Molecular Formulas

  • (C6-H10-O3.C8-H14-O3)x-
  • (C8-H14-O3.C6-H10-O3)x-

Molecular Weight

  • 288.338
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Names and Synonyms

Name of Substance

  • Phemfilcon A [USAN]


  • 2-Hydroxyethyl methacrylate polymer with 2-ethoxyethyl methacrylate
  • 2-Hydroxyethyl methacrylate, ethoxyethyl methacrylate polymer
  • DuraSoft 2
  • DuraSoft 3
  • Fresh Look
  • Phemfilcon A

Systematic Names

  • 2-Propenoic acid, 2-methyl-, 2-ethoxyethyl ester, polymer with 2-hydroxyethyl 2-methyl-2-propenoate
  • 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with 2-ethoxyethyl 2-methyl-2-propenoate

Registry Numbers

CAS Registry Number

  • 29403-23-4

System Generated Number

  • 0029403234

Molecular Formulas

Molecular Formulas

  • (C6-H10-O3.C8-H14-O3)x-
  • (C8-H14-O3.C6-H10-O3)x-

Molecular Formula Fragments

  • C6-H10-O3
  • C8-H14-O3

Structure Descriptors