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ChemicalBook >> CAS DataBase List >> 3,4-Dimethoxy-3-cyclobutene-1,2-dione

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

3,4-Dimethoxy-3-cyclobutene-1,2-dione price.
  • $8 - $1040
  • Product name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione
  • CAS: 5222-73-1
  • MF: C6H6O4
  • MW: 142.11
  • EINECS:627-380-6
  • MDL Number:MFCD00101316
  • Synonyms:3-Cyclobutene-1,2-dione,3,4-dimethoxy-;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;Squaric acid dimethyl ester,(Dimethyl squarate, 3,4-Dimethoxy-3-cyclobutene-1,2-dione);3,4-DIMETHOXYCYCLOBUTANE-1,2-DIONE
Price39 Properties Safety Information Description
39 prices
Selected condition：
Brand
  • AHH
  • AK Scientific
  • Alfa Aesar
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Atlantic Research Chemicals
  • Biosynth Carbosynth
  • Chemenu
  • Crysdot
  • Frontier Specialty Chemicals
  • Matrix Scientific
  • Oakwood
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • TRC
Package
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  • 10gm:
  • ManufacturerAHH
  • Product numberMT-10129
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione 99%
  • Packaging25g
  • Price$412
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ91364
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione
  • Packaging100g
  • Price$401
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberQ753
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione
  • Packaging5g
  • Price$49
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA18186
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%
  • Packaging1g
  • Price$50.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA18186
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%
  • Packaging5g
  • Price$190
  • Updated2024-03-01
  • Buy
  • ManufacturerAmbeed
  • Product numberA229849
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione 98%
  • Packaging1g
  • Price$8
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA229849
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione 98%
  • Packaging5g
  • Price$26
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA229849
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione 98%
  • Packaging10g
  • Price$49
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA229849
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione 98%
  • Packaging25g
  • Price$91
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA229849
  • Product description3,4-Dimethoxy-3-cyclobutene-1,2-dione 98%
  • Packaging100g
  • Price$301
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0022715
  • Product description3,4-DIMETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00%
  • Packaging1G
  • Price$140.7
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR26829
  • Product description3,4-Dimethoxycyclobut-3-ene-1,2-dione 98%
  • Packaging1g
  • Price$15
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR26829
  • Product description3,4-Dimethoxycyclobut-3-ene-1,2-dione 98%
  • Packaging10g
  • Price$87
  • Updated2021-12-16
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberXS09962
  • Product description3,4-Dimethoxycyclobut-3-ene-1,2-dione 95%
  • Packaging10gm:
  • Price$84.83
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD147393
  • Product description3,4-Dimethoxycyclobutane-1,2-dione
  • Packaging1g
  • Price$51
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD147393
  • Product description3,4-Dimethoxycyclobutane-1,2-dione
  • Packaging2g
  • Price$89
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-10129 3,4-Dimethoxy-3-cyclobutene-1,2-dione 99% 25g $412 2021-12-16 Buy
AK Scientific J91364 3,4-Dimethoxy-3-cyclobutene-1,2-dione 100g $401 2021-12-16 Buy
AK Scientific Q753 3,4-Dimethoxy-3-cyclobutene-1,2-dione 5g $49 2021-12-16 Buy
Alfa Aesar A18186 3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98% 1g $50.65 2024-03-01 Buy
Alfa Aesar A18186 3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98% 5g $190 2024-03-01 Buy
Ambeed A229849 3,4-Dimethoxy-3-cyclobutene-1,2-dione 98% 1g $8 2021-12-16 Buy
Ambeed A229849 3,4-Dimethoxy-3-cyclobutene-1,2-dione 98% 5g $26 2021-12-16 Buy
Ambeed A229849 3,4-Dimethoxy-3-cyclobutene-1,2-dione 98% 10g $49 2021-12-16 Buy
Ambeed A229849 3,4-Dimethoxy-3-cyclobutene-1,2-dione 98% 25g $91 2021-12-16 Buy
Ambeed A229849 3,4-Dimethoxy-3-cyclobutene-1,2-dione 98% 100g $301 2021-12-16 Buy
American Custom Chemicals Corporation CHM0022715 3,4-DIMETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00% 1G $140.7 2021-12-16 Buy
Apolloscientific OR26829 3,4-Dimethoxycyclobut-3-ene-1,2-dione 98% 1g $15 2021-12-16 Buy
Apolloscientific OR26829 3,4-Dimethoxycyclobut-3-ene-1,2-dione 98% 10g $87 2021-12-16 Buy
Atlantic Research Chemicals XS09962 3,4-Dimethoxycyclobut-3-ene-1,2-dione 95% 10gm: $84.83 2021-12-16 Buy
Biosynth Carbosynth FD147393 3,4-Dimethoxycyclobutane-1,2-dione 1g $51 2021-12-16 Buy
Biosynth Carbosynth FD147393 3,4-Dimethoxycyclobutane-1,2-dione 2g $89 2021-12-16 Buy
Next Last

Properties

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)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger GHS hazard pictograms P261, P285, P304+P341, P342+P311,P501
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.

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.

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Suppliers and manufacturers

career henan chemical co
3,4-Dimethoxy-3-cyclobutene-1,2-dione
$7.00 /1kg
3,4-Dimethoxy-3-cyclobutene-1,2-dione CAS:5222-73-1
Capot Chemical Co.,Ltd.
Shanghai Time Chemicals CO., Ltd.
Accela ChemBio Inc.
Chongqing Chemdad Co., Ltd
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
Antai Fine Chemical Technology Co.,Limited
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
SIMAGCHEM CORP