3-hydroxy-4-methylcyclobut-3-ene-1,2-dione

Modify Date: 2025-08-25 23:00:38

3-hydroxy-4-methylcyclobut-3-ene-1,2-dione Structure
3-hydroxy-4-methylcyclobut-3-ene-1,2-dione structure
 Common Name 3-hydroxy-4-methylcyclobut-3-ene-1,2-dione
CAS Number 29769-75-3 Molecular Weight 112.08300
Density 1.595g/cm3 Boiling Point 226.7ºC at 760mmHg
Molecular Formula C5H4O3 Melting Point N/A
MSDS N/A Flash Point 105.2ºC

 Names

Name 3-hydroxy-4-methylcyclobut-3-ene-1,2-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.595g/cm3
Boiling Point 226.7ºC at 760mmHg
Molecular Formula C5H4O3
Molecular Weight 112.08300
Flash Point 105.2ºC
Exact Mass 112.01600
PSA 54.37000
Vapour Pressure 0.0158mmHg at 25°C
Index of Refraction 1.617

 Synthetic Route

3-(1-methylethoxy)-4-methylcyclobut-3-ene-1,2-dione structure

3-(1-methyletho...

CAS#:114094-69-8

~10%

3-hydroxy-4-methylcyclobut-3-ene-1,2-dione Structure

3-hydroxy-4-met...

CAS#:29769-75-3

Literature: Shinada, Tetsuro; Hayashi, Ken-Ichi; Hayashi, Toshihiro; Yoshida, Yasutaka; Horikawa, Manabu; Shimamoto, Keiko; Shigeri, Yasushi; Yumoto, Noboru; Ohfune, Yasufumi Organic Letters, 1999 , vol. 1, # 10 p. 1663 - 1666
3,4,4-Triaethoxy-2-methyl-2-cyclobutenon structure

3,4,4-Triaethox...

CAS#:69009-09-2

~81%

3-hydroxy-4-methylcyclobut-3-ene-1,2-dione Structure

3-hydroxy-4-met...

CAS#:29769-75-3

Literature: Bellus, Daniel; Martin, Pierre; Sauter, Hanspeter; Winkler, Tammo Helvetica Chimica Acta, 1980 , vol. 63, # 5 p. 1130 - 1140
2-chloro-2-methyl-3,3,4,4-tetramethoxycyclobutanol structure

2-chloro-2-meth...

CAS#:343777-68-4

~99%

3-hydroxy-4-methylcyclobut-3-ene-1,2-dione Structure

3-hydroxy-4-met...

CAS#:29769-75-3

Literature: Brady, William T.; Watts, Ronald D. Journal of Organic Chemistry, 1980 , vol. 45, # 17 p. 3525 - 3527
2,3-bis(1-methylethoxy)-4-hydroxy-4-methylcyclobut-2-en-1-one structure

2,3-bis(1-methy...

CAS#:114094-61-0

~%

3-hydroxy-4-methylcyclobut-3-ene-1,2-dione Structure

3-hydroxy-4-met...

CAS#:29769-75-3

Literature: Liebeskind, Lanny S.; Fengl, Richard W.; Wirtz, Kevin R.; Shawe, Thomas T. Journal of Organic Chemistry, 1988 , vol. 53, # 11 p. 2482 - 2488
2-trans-Alken-5,8,11,14-eicosatetrainsaeure structure

2-trans-Alken-5...

CAS#:40923-93-1

Propanoyl chloride structure

Propanoyl chloride

CAS#:79-03-8

~%

3-hydroxy-4-methylcyclobut-3-ene-1,2-dione Structure

3-hydroxy-4-met...

CAS#:29769-75-3

Literature: Bellus,D. Journal of the American Chemical Society, 1978 , vol. 100, # 25 p. 8026 - 8028

 Synonyms

3-methyl-4-hydroxycyclobut-3-ene-1,2-dione
4-Methyl-3-hydroxycyclobut-3-ene-1,2-dione
Methylmoniliformin
Methylhydroxycyclobutenedione
3-hydroxy-4-methylcyclobutene-1,3-dione
Methylsquarate
3-Hydroxy-4-methyl-3-cyclobutene-1,2-dione
3-Cyclobutene-1,2-dione,3-hydroxy-4-methyl
2-methylsemisquaric acid
3-Hydroxy-4-methyl-3-cyclobuten-1,2-dione
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Chemsrc provides CAS#:29769-75-3 MSDS, density, melting point, boiling point, structure, etc. Its name is 3-hydroxy-4-methylcyclobut-3-ene-1,2-dione>> amp version: 3-hydroxy-4-methylcyclobut-3-ene-1,2-dione

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