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Substance Name: Silwet L 77
RN: 27306-78-1

Classification Code

  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)

Molecular Formulas

  • (C2-H4-O)mult-C11-H30-O3-Si3
  • (C2-H4-O)n-C11-H30-O3-Si3

Molecular Weight

  • 338.666
 
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Names and Synonyms

Results Name

  • Silwet L 77

Synonyms

  • Polyethylene glycol mono(3-(tetramethyl-1-(trimethylsiloxy)disiloxanyl)propyl)ether
  • Silwet L 77

Systematic Names

  • Poly(oxy-1,2-ethanediyl), alpha-methyl-omega-(3-(1,3,3,3-tetramethyl-1-((trimethylsilyl)oxy)-1-disiloxanyl)propoxy)-
  • Poly(oxy-1,2-ethanediyl), alpha-methyl-omega-(3-(1,3,3,3-tetramethyl-1-((trimethylsilyl)oxy)disiloxanyl)propoxy)-
  • Poly(oxy-1,2-ethanediyl), alpha-methyl-omega-(3-(1,3,3,3-tetramethyl-1-((trimethylsilyl)oxy)disiloxanyl)propyl)-

Registry Numbers

CAS Registry Number

  • 27306-78-1

Other Registry Numbers

  • 1369526-66-8
  • 150266-49-2
  • 185116-92-1
  • 193764-85-1
  • 275373-95-0
  • 512187-29-0
  • 882006-00-0
  • 883881-28-5

System Generated Number

  • 0027306781

Molecular Formulas

Molecular Formulas

  • (C2-H4-O)mult-C11-H30-O3-Si3
  • (C2-H4-O)n-C11-H30-O3-Si3

Molecular Formula Fragments

  • C11-H30-O3-Si3
  • C2-H4-O
  • COMPONENT

Structure Descriptors

Smiles

COCCOCCC[Si](O[Si](C)(C)C)(O[Si](C)(C)C)C

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LC50 inhalation 2gm/m3/4H (2000mg/m3)   National Technical Information Service. Vol. OTS0571774-1,
rat LD50 intraperitoneal 250uL/kg (0.25mL/kg)   National Technical Information Service. Vol. OTS0571467,
rat LD50 oral 4920uL/kg (4.92mL/kg)   National Technical Information Service. Vol. OTS0571467,