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

ALDRICH/339792 - 98%

Synonym: Dibutyl squarate

CAS Number: 2892-62-8
Empirical Formula (Hill Notation): C12H18O4
Molecular Weight: 226.27
MDL Number: MFCD00037150
Linear Formula: [CH3(CH2)3O]2C4(=O)2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-339792-5G 5 g
 $107.00
1/EA		 Add To Favorites
45-339792-25G 25 g
 $473.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 339792-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 339792-5G

 

assay 98%
bp 139 °C/0.5 mmHg (lit.)
density 1.047 g/mL at 25 °C (lit.)
form liquid
functional group ether
  ketone
InChI 1S/C12H18O4/c1-3-5-7-15-11-9(13)10(14)12(11)16-8-6-4-2/h3-8H2,1-2H3
InChI key XBRWELTXMQSEIN-UHFFFAOYSA-N
Quality Level 200 
refractive index n20/D 1.494 (lit.)
SMILES string CCCCOC1=C(OCCCC)C(=O)C1=O
Application: 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.
General description: 3,4-Dibutoxy-3-cyclobutene-1,2-dione is the dialkyl ester of squaric acid.
Packaging: 5, 25 g in glass bottle
Purity 98%
bp 139 °C/0.5 mmHg (lit.)
Density 1.047 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.494 (lit.)
UNSPSC 12352100

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