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

ALDRICH/377406 - 99%

Synonym: Dimethyl squarate

CAS Number: 5222-73-1
Empirical Formula (Hill Notation): C₆H₆O₄
Molecular Weight: 142.11
MDL Number: MFCD00101316
Linear Formula: (CH₃O)₂C₄(=O)₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-377406-1G	1 g	$30.10 1/EA		Add To Favorites
45-377406-5G	5 g	$114.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	99%
form	solid
functional group	ether
	ketone
InChI	1S/C6H6O4/c1-9-5-3(7)4(8)6(5)10-2/h1-2H3
InChI key	SZBNZTGCAMLMJY-UHFFFAOYSA-N
mp	55-57 °C (lit.)
Quality Level	100
SMILES string	COC1=C(OC)C(=O)C1=O
storage temp.	2-8°C

Application:	3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) may be used in the synthesis of the following compounds: • chiral squaramides, highly enantioselective catalyst for the Friedel-Crafts reactions of indoles • 3-(hydroxyamino)-4-methoxy-3-cyclobutene-1,2-dione • squarate derivatives of the O-SP-core antigens • methyl squarate derivative of the Ogawa O-SP-core antigen • o-quinodimethanes • benzocyclobutenes • quinones
General description:	3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) is a cyclobutene derivative. It reacts with hydroxylamine derivatives to afford 3-hydroxyamino-4-methoxy-3-cyclobutene-1,2-diones.
Packaging:	1, 5 g in glass bottle

Symbol	GHS08
Signal word	Danger
Hazard statements	H317 - H334
Precautionary statements	P261 - P280 - P342 + P311
Risk Statements	42/43
Safety Statements	22-24/25-26-36/37/39
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3

Purity	99%
mp	55-57 °C (lit.)
Storage Temp.	2-8°C
UNSPSC	12352100

Choose a favorite list for this item:

Catalog Number	Description	Price

		$

Please choose a list :

Continue Shopping

Returns/Order support

Please fill out the form below if you want to request order support from Krackeler Scientific.