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2892-51-5

2892-51-5 Structure

2892-51-5 Structure
IdentificationMore
【Name】

3,4-Dihydroxy-3-cyclobutene-1,2-dione
【CAS】

2892-51-5
【Synonyms】

1,2-DIHYDROXY-1-CYCLOBUTEN-3,4-DIONE
1,2-DIHYDROXY-3,4-CYCLOBUTENEDIONE
1,2-DIHYDROXY CYCLOBUTENEDIONE
1-CYCLOBUTENE-3,4-DIONE-1,2-DIOL
3,4-DIHYDROXY-3-CYCLOBUTEN-1,2-DIONE
3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE
3,4-DIHYDROXYCYCLOBUT-3-ENE-1,2-DIONE
DIKETOCYCLOBUTENEDIOL
QUADRATIC ACID
SQUARIC ACID
TIMTEC-BB SBB007891
1,2-Dihydroxycyclobutene-3,4-dione
1,2-Diketo-3,4-dihydroxycyclobutene
3,4-dihydroxy-3-cyclobutene-2-dione
3,4-Dihydroxy-cyclobutene-1,2-dione
3,4-dihydroxy-cyclobutene-2-dione
3-Cyclobutene-1,2-dione,3,4-dihydroxy-
Cyclobutene-1,2-dione, 3,4-dihydroxy-
Cyclobutenedione, dihydroxy-
dihydroxy-cyclobutenedion
【EINECS(EC#)】

220-761-4
【Molecular Formula】

C4H2O4
【MDL Number】

MFCD00001334
【Molecular Weight】

114.06
【MOL File】

2892-51-5.mol
Chemical PropertiesBack Directory
【Appearance】

White powder
【mp 】

>300 °C(lit.)
【Fp 】

190 °C
【Water Solubility 】

20 g/L (30 ºC)
【Usage】

Squaric acid used as intermediate for squaraine dyes and heterocycles. Product Data Sheet
【Merck 】

8769
【BRN 】

774275
【CAS DataBase Reference】

2892-51-5(CAS DataBase Reference)
【NIST Chemistry Reference】

3-Cyclobutene-1,2-dione, 3,4-dihydroxy-(2892-51-5)
【EPA Substance Registry System】

2892-51-5(EPA Substance)
Safety DataBack Directory
【Hazard Codes 】

Xi
【Risk Statements 】

R36/37/38:Irritating to eyes, respiratory system and skin .
R43:May cause sensitization by skin contact.
【Safety Statements 】

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
【RIDADR 】

3261
【WGK Germany 】

3
【RTECS 】

GU1800000
【Hazard Note 】

Irritant
【HazardClass 】

8
【PackingGroup 】

II
【HS Code 】

29144090
Material Safety Data Sheet(MSDS)Back Directory
【msds information】

3,4-Dihydroxy-3-cyclobutene-1,2-dione(2892-51-5).msds
Spectrum DetailBack Directory
【Spectrum Detail】

3,4-Dihydroxy-3-cyclobutene-1,2-dione(2892-51-5)IR1
3,4-Dihydroxy-3-cyclobutene-1,2-dione(2892-51-5)IR2
3,4-Dihydroxy-3-cyclobutene-1,2-dione(2892-51-5)MS
Well-known Reagent Company Product InformationBack Directory
【Acros Organics】

3,4-Dihydroxy-3-cyclobutene-1,2-dione, 99%(2892-51-5)
【Alfa Aesar】

3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+%(2892-51-5)
【Sigma Aldrich】

2892-51-5(sigmaaldrich)
【TCI AMERICA】

3,4-Dihydroxy-3-cyclobutene-1,2-dione,>98.0%(LC)(T)(2892-51-5)
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