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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
39 prices
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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
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  • 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
  • Packaging100g
  • Price$338
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ20011
  • Product descriptionDiethylsquarate
  • Packaging1g
  • Price$22
  • 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%
  • Packaging100G
  • Price$2624.35
  • 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%
  • Packaging5G
  • Price$776.95
  • 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
  • Packaging100g
  • Price$550
  • 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 100g $338 2021-12-16 Buy
AK Scientific J20011 Diethylsquarate 1g $22 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% 100G $2624.35 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% 5G $776.95 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 100g $550 2021-12-16 Buy

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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