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  8. Sigma Aldrich 3,4-Dibutoxy-3-cyclobutene-1,2-dione 

Sigma Aldrich 3,4-Dibutoxy-3-cyclobutene-1,2-dione

Catalog No. 3397925G Shop All MilliporeSigma Sigma Organic Chemistry Products
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33-979-25G 5 g
33-979-225G 25 g
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Description

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

  • 3,4-dibutoxy-3-cyclobutene-1,2-dione is the dialkyl ester of squaric acid.3,4-dibutoxy-3-cyclobutene-1,2-dione was used in the synthesis of novel semisquarylium dye, useful for highly selective hg2+ sensing in aqueous media
  • It was also employed in the synthesis of 3-butoxy-4-(1,3,3-trimethyl-2,3-dihydro-1h-2-indolylidenemethyl)-3-cyclobutene-1,2-dione, intermediate for the synthesis of squaryl dyes

Specifications

CAS 2892-62-8
Density 1.047 g/mL (at 25°C (literature))
Boiling Point 139°C (0.5 mmHg)
Molecular Formula C12H18O4
Refractive Index n20/D 1.494 (literature)
Linear Formula [CH3(CH2)3 O]2C4(=O)2
MDL Number MFCD00037150
Quantity 5 g
Synonym Dibutyl squarate
Molecular Weight (g/mol) 226.27
Percent Purity 98%
Biological Activity Respiratory System
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