missing translation for 'onlineSavingsMsg'
Learn More

3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%

CAS: 5222-73-1 | C6H6O4 | 142.11 g/mol

$103.11 - $333.64

Chemical Identifiers

CAS 5222-73-1
Molecular Formula C6H6O4
Molecular Weight (g/mol) 142.11
MDL Number MFCD00101316
InChI Key SZBNZTGCAMLMJY-UHFFFAOYSA-N
PubChem CID 123227
IUPAC Name 3,4-dimethoxycyclobut-3-ene-1,2-dione
SMILES COC1=C(C(=O)C1=O)OC
View More Specs

Products 2
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1818603
View Documents
Thermo Scientific Chemicals
A1818603
1 g
Each for $103.11
Only null left
 
AAA1818606
View Documents
Thermo Scientific Chemicals
A1818606
5 g
Each for $333.64
Only null left
 
Description

Description

3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) finds it uses in the synthesis of 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. It is employed as a starting material in the preparation of o-quinodimethanes, benzocyclobutenes, and quinones.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) finds it uses in the synthesis of 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. It is employed as a starting material in the preparation of o-quinodimethanes, benzocyclobutenes, and quinones.

Solubility
Very soluble in water.

Notes
Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.
Specifications

Chemical Identifiers

5222-73-1
142.11
SZBNZTGCAMLMJY-UHFFFAOYSA-N
3,4-dimethoxycyclobut-3-ene-1,2-dione
C6H6O4
MFCD00101316
123227
COC1=C(C(=O)C1=O)OC

Specifications

5222-73-1
C6H6O4
1 g
Very soluble in water.
COC1=C(C(=O)C1=O)OC
142.11
142.1
3,4-Dimethoxy-3-cyclobutene-1,2-dione
53°C to 56°C
MFCD00101316
3,4-dimethoxy-3-cyclobutene-1,2-dione, dimethyl squarate, squaric acid dimethyl ester, 3-cyclobutene-1,2-dione, 3,4-dimethoxy, 3,4-dimethoxy-cyclobut-3-ene-1,2-dione, dimethoxycyclobut-3-ene-1,2-dione, 3-cyclobutene-1,2-dione,3,4-dimethoxy, 3,4-dimethoxycyclobut-3-en-1,2-dion, dimethoxycyclobutenedione, pubchem13709
SZBNZTGCAMLMJY-UHFFFAOYSA-N
3,4-dimethoxycyclobut-3-ene-1,2-dione
123227
98%
Videos
Safety and Handling

Safety and Handling

GHS H Statement
H334-H335-H315-H319-H317
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause respiratory irritation.
Causes skin irritation.
Causes serious eye irritation.
May cause an allergic skin reaction.

P261-P264b-P271-P272-P280-P285-P302+P352-P304+P340-P305+P351+P338-P333+P313-P342+P311-P362-P501c

H315-H317-H319-H334-H335

TSCA : No

Recommended Storage : Keep cold

SDS
missing translation for 'documents'

missing translation for 'documents'

RUO – Research Use Only