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

Product Name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione
CAS No.: 5222-73-1
Chemical Name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione
Synonyms: 3,4-DIMETHOXYCYCLOBUT-3-ENE-1,2-DIONE;DIMETHYL SQUARATE;diMethoxycyclobut-3-ene-1,2-dione;3,4-Dimethoxy-3-cycl;Squaric acid dimethyl e;SQUARIC ACID DIMETHYL ESTER;3,4-DIMETHOXYCYCLOBUTANE-1,2-DIONE;1,2-Dimethoxycyclobutene-3,4-dione;3,4-DIMETHOXY-3-CYCLOBUTENE-1,2-DIONE;1,2-Dimethoxy-1-cyclobutene-3,4-dione
CBNumber: CB3165164
Molecular Formula: C6H6O4
Formula Weight: 142.11
MOL File: 5222-73-1.mol

More

Less

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

Melting point:: 55-57 °C (lit.)
Boiling point:: 219.65°C (rough estimate)
Density: 1.3863 (rough estimate)
refractive index: 1.5800 (estimate)
storage temp.: 2-8°C
solubility: DMSO, Methanol (Slightly)
form: Solid
color: Off-White to Pale Brown
Water Solubility: Very soluble in water.
InChIKey: SZBNZTGCAMLMJY-UHFFFAOYSA-N
CAS DataBase Reference: 5222-73-1(CAS DataBase Reference)
NIST Chemistry Reference: 3,4-Dimethoxy-3-cyclobutene-1,2-dione(5222-73-1)

More

Less

Safety

Risk Statements: 42/43
Safety Statements: 22-24/25-26-36/37/39
WGK Germany: 3
HS Code: 29145090

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H317May cause an allergic skin reaction

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P342+P311IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.

More

Less

N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 377406
Product name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione
Purity: 99%
Packaging: 1g
Price: $16.5
Updated: 2024/03/01

Sigma-Aldrich

Product number: 377406
Product name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione
Purity: 99%
Packaging: 5g
Price: $104
Updated: 2024/03/01

TCI Chemical

Product number: D2099
Product name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione
Purity: >98.0%(GC)
Packaging: 1g
Price: $44
Updated: 2024/03/01

TCI Chemical

Product number: D2099
Product name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione
Purity: >98.0%(GC)
Packaging: 5g
Price: $134
Updated: 2024/03/01

Alfa Aesar

Product number: A18186
Product name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%
Packaging: 1g
Price: $50.65
Updated: 2024/03/01

More

Less

3,4-Dimethoxy-3-cyclobutene-1,2-dione Chemical Properties,Usage,Production

Chemical Properties

white crystalline powder

Uses

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.

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.

3,4-Dimethoxy-3-cyclobutene-1,2-dione Preparation Products And Raw materials

Raw materials

Preparation Products

More

Less

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

Americas 1 Belgium 1 China 150 Europe 1 Germany 3 India 5 Japan 4 Switzerland 2 United Kingdom 10 United States 36 Global 213

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 021-61259108 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30123
Advantage: 84

TAIYUAN RHF CO.,LTD.

Tel: +86 351 7031519
Fax: +86 351 7031519
Email: sales@RHFChem.com
Country: China
ProdList: 2338
Advantage: 56

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44688
Advantage: 61

Capot Chemical Co., Ltd

Tel: +86 (0) 571 85 58 67 18
Fax: 0086-571-85864795
Email: sales@capotchem.com
Country: China
ProdList: 18207
Advantage: 66

Beijing Ouhe Technology Co., Ltd

Tel: 010-82967028 13552068683
Fax: +86-10-82967029
Email: 2355560935@qq.com
Country: China
ProdList: 12390
Advantage: 60

Jia Xing Isenchem Co.,Ltd

Tel: 0573-85285100 18627885956
Fax: 0573-85285100
Email: isenchem@163.com
Country: China
ProdList: 9499
Advantage: 66

Accela ChemBio Co.,Ltd.

Tel: 021-50795510 4000665055
Fax: 021-50795055
Email: sales@accelachem.com
Country: China
ProdList: 11655
Advantage: 64

More

Less

View Lastest Price from 3,4-Dimethoxy-3-cyclobutene-1,2-dione manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: 3,4-Dimethoxy-3-cyclobutene-1,2-dione 5222-73-1
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-01-30

Henan Aochuang Chemical Co.,Ltd.

Product: 3,4-Dimethoxy-3-cyclobutene-1,2-dione 5222-73-1
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1ton
Release date: 2022-09-19

Career Henan Chemical Co

Product: 3,4-Dimethoxy-3-cyclobutene-1,2-dione 5222-73-1
Price: US $7.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 100kg
Release date: 2018-12-14

5222-73-1, 3,4-Dimethoxy-3-cyclobutene-1,2-dioneRelated Search:

Dimethyl sulfoxide 1,1-Dimethoxyethane Diphenyldimethoxysilane Dimethyldimethoxysilane Dacthal (-)-Dimethyl D-tartrate Dimethyl malonate Dimethyl ether Dimethyl acetylenedicarboxylate Dimethyl fumarate 3-SULFOLENE Dimethyl sebacate N,N-Dimethylformamide Dimethyl malate DIMETHYL PHOSPHATE Dimethyl suberate Dimethyl sulfate Dimethyl carbonate

DIMETHYL SQUARATE

3-Cyclobutene-1,2-dione,3,4-dimethoxy-

Squaric acid dimethyl e

diMethoxycyclobut-3-ene-1,2-dione

3,4-Dimethoxycyclobut-3-ene-1,2-dione 98%

Dimethyl squarate, 1,2-Dimethoxy-3,4-dioxocyclobut-1-ene

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

SQUARIC ACID DIMETHYL ESTER

3,4-DIMETHOXY-3-CYCLOBUTENE-1,2-DIONE

3,4-DIMETHOXYCYCLOBUT-3-ENE-1,2-DIONE

Squaric acid dimethyl ester,(Dimethyl squarate, 3,4-Dimethoxy-3-cyclobutene-1,2-dione)

3,4-DIMETHOXYCYCLOBUTANE-1,2-DIONE

Dimethyl squarate, Squaric acid dimethyl ester

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

1,2-Dimethoxycyclobutene-3,4-dione

3,4-DIMETHOXY-3-CYCLOBUTENE-1,2-DIONE, 9 9%

3,4-Dimethoxy-3-cycl

3.4-diMethoxycyclobutane-1.2-dione. DiMethyl squarate

8,9-dimethoxy-2-[[2-(4-morpholinyl)ethylamino]-oxomethyl]-5,6-dihydropyrrolo[2,1-a]isoquinoline-3-carboxylic acid

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

5222-73-1

CH3O2C4O2

C6H6O4

Ketones

Organic Building Blocks

C3 to C6

Simple 4-Membered Ring Compounds

Cyclobutanes & Cyclobutenes

Carbonyl Compounds

Building Blocks

Cyclobutanes & Cyclobutenes

Simple 4-Membered Ring Compounds

Ring Systems

Aluminium foil bag/Fluoride bottle or on your request

Pyrimidines