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ChemicalBook >> CAS DataBase List >> Diethyl squarate

Diethyl squarate

Diethyl squarate price.
  • $10 - $2624.35
  • Product name: Diethyl squarate
  • CAS: 5231-87-8
  • MF: C8H10O4
  • MW: 170.16
  • EINECS:
  • MDL Number:MFCD00001333
  • Synonyms:3,4-DIETHOXYCYCLOBUTANE-1,2-DIONE;Diethyl squarate, Squaric acid diethyl ester;SQUARIC ACID DIETHYL ESTER,(DIETHYL SQUARATE, 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE);DIETHOXYCYCLOBUTENEDIONE;3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 98%;SQUARICACIDDIETHYLESTER/3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE;3,4-Diethoxy-3-cyclobuten-1,2-dion;Diethyl quadratate
Price39 Properties Safety Information Description
39 prices
Selected condition：
Brand
  • AHH
  • AK Scientific
  • Alfa Aesar
  • Alichem
  • 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
  • 100mg
  • 500mg
  • 1g
  • 5g
  • 10g
  • 25g
  • 50g
  • 100g
  • 500g
  • 5gm:
  • ManufacturerAHH
  • Product numberMT-09000
  • Product description3,4-Diethoxy-3-cyclobutene-1,2-dione 98%
  • Packaging100g
  • Price$365
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ20011
  • Product descriptionDiethylsquarate
  • Packaging1g
  • Price$22
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ20011
  • Product descriptionDiethylsquarate
  • Packaging100g
  • Price$338
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA19248
  • Product description3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%
  • Packaging1g
  • Price$50.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA19248
  • Product description3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%
  • Packaging5g
  • Price$160.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA19248
  • Product description3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%
  • Packaging25g
  • Price$598.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlichem
  • Product number5231878
  • Product description3,4-Diethoxycyclobut-3-ene-1,2-dione
  • Packaging25g
  • Price$150.7
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number5231878
  • Product description3,4-Diethoxycyclobut-3-ene-1,2-dione
  • Packaging100g
  • Price$345.42
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number5231878
  • Product description3,4-Diethoxycyclobut-3-ene-1,2-dione
  • Packaging500g
  • Price$808
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0029219
  • Product description3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00%
  • Packaging5G
  • Price$776.95
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0029219
  • Product description3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00%
  • Packaging25G
  • Price$1144.28
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0029219
  • Product description3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00%
  • Packaging100G
  • Price$2624.35
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR26825
  • Product description3,4-Diethoxycyclobut-3-ene-1,2-dione 98%
  • Packaging5g
  • Price$27
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR26825
  • Product description3,4-Diethoxycyclobut-3-ene-1,2-dione 98%
  • Packaging25g
  • Price$105
  • Updated2021-12-16
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberXS09963
  • Product description3,4-Diethoxycyclobut-3-ene-1,2-dione 95%
  • Packaging5gm:
  • Price$24.74
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD29532
  • Product descriptionDiethyl squarate
  • Packaging5G
  • Price$70
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-09000 3,4-Diethoxy-3-cyclobutene-1,2-dione 98% 100g $365 2021-12-16 Buy
AK Scientific J20011 Diethylsquarate 1g $22 2021-12-16 Buy
AK Scientific J20011 Diethylsquarate 100g $338 2021-12-16 Buy
Alfa Aesar A19248 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 1g $50.65 2024-03-01 Buy
Alfa Aesar A19248 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 5g $160.65 2024-03-01 Buy
Alfa Aesar A19248 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 25g $598.65 2024-03-01 Buy
Alichem 5231878 3,4-Diethoxycyclobut-3-ene-1,2-dione 25g $150.7 2021-12-16 Buy
Alichem 5231878 3,4-Diethoxycyclobut-3-ene-1,2-dione 100g $345.42 2021-12-16 Buy
Alichem 5231878 3,4-Diethoxycyclobut-3-ene-1,2-dione 500g $808 2021-12-16 Buy
American Custom Chemicals Corporation CHM0029219 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00% 5G $776.95 2021-12-16 Buy
American Custom Chemicals Corporation CHM0029219 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00% 25G $1144.28 2021-12-16 Buy
American Custom Chemicals Corporation CHM0029219 3,4-DIETHOXY-3-CYCLOBUTENE-1,2-DIONE 95.00% 100G $2624.35 2021-12-16 Buy
Apolloscientific OR26825 3,4-Diethoxycyclobut-3-ene-1,2-dione 98% 5g $27 2021-12-16 Buy
Apolloscientific OR26825 3,4-Diethoxycyclobut-3-ene-1,2-dione 98% 25g $105 2021-12-16 Buy
Atlantic Research Chemicals XS09963 3,4-Diethoxycyclobut-3-ene-1,2-dione 95% 5gm: $24.74 2021-12-16 Buy
Biosynth Carbosynth FD29532 Diethyl squarate 5G $70 2021-12-16 Buy
Next Last

Properties

Melting point :13-18 °C
Boiling point :95 °C0.1 mm Hg(lit.)
Density :1.15 g/mL at 25 °C(lit.)
refractive index :n20/D 1.509(lit.)
Flash point :>230 °F
storage temp. :2-8°C
form :Liquid
color :Clear yellow to light brownish
Water Solubility :insoluble
BRN :640626
InChIKey :DFSFLZCLKYZYRD-UHFFFAOYSA-N
CAS DataBase Reference :5231-87-8(CAS DataBase Reference)
NIST Chemistry Reference :3,4-Diethoxy-3-cyclobutene-1,2-dione(5231-87-8)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
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
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
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
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

3,4-Dethoxy-3-cyclobutene-1,2-dione is used as a starting material for synthesis of furanonesand quinones.It undergoes ethoxy substitution with aminesand unsaturated organosilanes.

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Suppliers and manufacturers

career henan chemical co
Diethyl squarate
$7.00 /1kg
Diethyl squarate CAS: 5231-87-8
Capot Chemical Co.,Ltd.
Henan Tianfu Chemical Co.,Ltd.
Shanghai Time Chemicals CO., Ltd.
HaBo Hong Kong Co., Limited.
Accela ChemBio Inc.
Chongqing Chemdad Co., Ltd
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
Fuxin Pharmaceutical