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3,4-Diethoxy-3-cyclobutene-1,2-dione - >98.0%(GC), high purity , CAS No.5231-87-8

  • ≥98%(GC)
Item Number
D154372
Grouped product items
SKUSizeAvailabilityPrice Qty
D154372-1g
1g
Available within 4-8 weeks(?)
Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!
$9.90
D154372-5g
5g
Available within 8-12 weeks(?)
Production requires sourcing of materials. We appreciate your patience and understanding.
$18.90
D154372-25g
25g
In stock
$89.90
D154372-100g
100g
In stock
$339.90
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Discover 3,4-Diethoxy-3-cyclobutene-1,2-dione by Aladdin Scientific in >98.0%(GC) for only $9.90. Available - in Ligands at Aladdin Scientific. Tags: ketone, Non heterocyclic block.

View related series
ketone Non heterocyclic block

Basic Description

Synonyms3,4-Diethoxy-3-cyclobutene-1,2-dione|5231-87-8|Diethyl squarate|3,4-diethoxycyclobut-3-ene-1,2-dione|Squaric acid diethyl ester|3-Cyclobutene-1,2-dione, 3,4-diethoxy-|1,2-diethoxycyclobutenedione|diethoxycyclobut-3-ene-1,2-dione|MFCD00001333|Diethoxycyclo
Specifications & Purity>98.0%(GC)
Storage TempStore at 2-8°C,Argon charged
Shipped InWet ice
Product Description

Product Introduction

The reaction of 3,4-diethoxy-3-cyclobutene-1,2-dione (diethyl squarate) with glycoamines (formed by reducing oligosaccharides) has been studied. The resulting derivatives are linked to amino functionalized lipids, solids or proteins.


Application

3,4-diethoxy-3-cyclobutene-1,2-dione can be used as a starting material for the synthesis of furanone and quinone. It is substituted by the ethoxyl group of amine and unsaturated organosilane.

Names and Identifiers

IUPAC Name 3,4-diethoxycyclobut-3-ene-1,2-dione
INCHI InChI=1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3
InChi Key DFSFLZCLKYZYRD-UHFFFAOYSA-N
Canonical SMILES CCOC1=C(C(=O)C1=O)OCC
Isomeric SMILES CCOC1=C(C(=O)C1=O)OCC
WGK Germany 3
RTECS GU1772466
PubChem CID 123228
Molecular Weight 170.16
Beilstein 640626
Reaxy-Rn 640626

Certificates

Certificate of Analysis(COA)

Enter Lot Number to search for COA:

To view the certificate results,please click on a Lot number.For Lot numbers from past orders,please use our order status section

12 results found

Lot NumberCertificate TypeDateItem
F2405351Certificate of AnalysisMar 18, 2024 D154372
F2405352Certificate of AnalysisMar 18, 2024 D154372
F2405353Certificate of AnalysisMar 18, 2024 D154372
F2405354Certificate of AnalysisMar 18, 2024 D154372
L2301185Certificate of AnalysisNov 17, 2023 D154372
L2301186Certificate of AnalysisNov 17, 2023 D154372
L2301187Certificate of AnalysisNov 17, 2023 D154372
E1922139Certificate of AnalysisMar 09, 2023 D154372
K1830108Certificate of AnalysisSep 21, 2022 D154372
J2213556Certificate of AnalysisJul 18, 2022 D154372
J2213568Certificate of AnalysisJul 18, 2022 D154372
J2213569Certificate of AnalysisJul 18, 2022 D154372

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Chemical and Physical Properties

SensitivityHygroscopic and heat sensitive
Refractive Index1.509
Flash Point(°F)230 °F
Flash Point(°C)110 °C
Boil Point(°C)95 °C
Melt Point(°C)13-18 °C

Safety and Hazards(GHS)

Pictogram(s) GHS06,   GHS08,   GHS07
Signal Danger
Hazard Statements

H315:Causes skin irritation

H319:Causes serious eye irritation

H335:May cause respiratory irritation

H301:Toxic if swallowed

H317:May cause an allergic skin reaction

H334:May cause allergy or asthma symptoms or breathing difficulties if inhaled

H312:Harmful in contact with skin

Precautionary Statements

P261:Avoid breathing dust/fume/gas/mist/vapors/spray.

P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.

P280:Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352:IF ON SKIN: wash with plenty of water.

P321:Specific treatment (see ... on this label).

P405:Store locked up.

P501:Dispose of contents/container to ...

P264:Wash hands [and …] thoroughly after handling.

P284:[In case of inadequate ventilation] Wear respiratory protection.

P271:Use only outdoors or in a well-ventilated area.

P270:Do not eat, drink or smoke when using this product.

P304+P340:IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P403+P233:Store in a well-ventilated place. Keep container tightly closed.

P272:Contaminated work clothing should not be allowed out of the workplace.

P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention.

P362+P364:Take off contaminated clothing and wash it before reuse.

P330:Rinse mouth.

P264+P265:Wash hands [and …] thoroughly after handling. Do not touch eyes.

P301+P316:IF SWALLOWED: Get emergency medical help immediately.

P317:Get emergency medical help.

P337+P317:If eye irritation persists: Get medical help.

P332+P317:If skin irritation occurs: Get medical help.

P319:Get medical help if you feel unwell.

P342+P316:If experiencing respiratory symptoms: Get emergence medical help immediately.

WGK Germany 3
RTECS GU1772466
Reaxy-Rn 640626

Related Documents

 SDS

 Specification Sheet

References

1. W A Kinney,N E Lee,D T Garrison,E J Podlesny,J T Simmonds,D Bramlett,R R Notvest,D M Kowal,R P Tasse.  (1992-12-21)  Bioisosteric replacement of the alpha-amino carboxylic acid functionality in 2-amino-5-phosphonopentanoic acid yields unique 3,4-diamino-3-cyclobutene-1,2-dione containing NMDA antagonists..  Journal of medicinal chemistry,  35  ((25)): (4720-4726).  [PMID:1361582]
2. J Avalos,H W Moore,M W Reed,E Rodriguez.  (1989-11-01)  Sensitizing potential of cyclobutenediones..  Contact dermatitis,  21  ((5)): (341-342).  [PMID:2620514]
3. E F Sherertz,K B Sloan.  (1988-01-01)  Percutaneous penetration of squaric acid and its esters in hairless mouse and human skin in vitro..  Archives of dermatological research,  280  ((1)): (57-60).  [PMID:3355225]
4. O Blixt,T Norberg.  (1999-10-16)  Enzymatic glycosylation of reducing oligosaccharides linked to a solid phase or a lipid via a cleavable squarate linker..  Carbohydrate research,  319  ((1-4)): (80-91).  [PMID:10520256]
5. M G Wilkerson,J Henkin,J K Wilkin,R G Smith.  (1985-08-01)  Squaric acid and esters: analysis for contaminants and stability in solvents..  Journal of the American Academy of Dermatology,  13  ((2 Pt 1)): (229-234).  [PMID:4044949]
6. Frederik Wurm,Carsten Dingels,Holger Frey,Harm-Anton Klok.  (2012-03-02)  Squaric acid mediated synthesis and biological activity of a library of linear and hyperbranched poly(glycerol)-protein conjugates..  Biomacromolecules,  13  ((4)): (1161-1171).  [PMID:22376203]
7. Sinthuja Jegatheeswaran,Ari Asnani,Adam Forman,Jenifer L Hendel,Christopher J Moore,Ali Nejatie,An Wang,Jo-Wen Wang,France-Isabelle Auzanneau.  (2020-09-23)  Recognition of Dimeric Lewis X by Anti-Dimeric Lex Antibody SH2..  Vaccines,  8  ((3)):   [PMID:32957489]

Solution Calculators

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