FCMD
Food Contact Materials Database
Squaric acid
3,4-二羟基-3-环丁烯-1,2-二酮
,
3,4-二羟基-3-环丁烯-1,2-二酮/方酸
,
方型酸
,
方形酸, SQUARICACIDDIBUTYLESTERS, EINECS 220-761-4, Squaric acid, dihydroxy-cyclobutenedion, Quadratic acid, 3,4-Dihydroxycyclobut-3-en-1,2-dion, 1-Cyclobutene-3,4-dione-1,2-diol, 3-Cyclobutene-1,2-dione, 3,4-dihydroxy-, 2-dione, 3,4-Dihydroxycyclobut-3-ene-1,2-dione, Squaric, DIKETOCYCLOBUTENEDIOL, dihydroxycyclobutenedione, MFCD00001334, 3,4-Dihydroxy-3-cyclobutene-1,2-dione, SQUARC ACID
CAS Number: 2892-51-5
IUPAC name: 3,4-dihydroxycyclobut-3-ene-1,2-dione
Molecular formula: C4H2O4
Molecular weight: 114.056
InChI: InChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
InChIKey: PWEBUXCTKOWPCW-UHFFFAOYSA-N
SMILES: -
EINECS: C1(=C(C(=O)C1=O)O)O
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Substance Information
CAS Number:
2892-51-5
Chemical Name:
3,4-dihydroxy-3-cyclobutene-1,2-dione
Chinese name:
Date of inquiry :
Apr 5, 2026
Inquiry website:
https://www.chemradar.com/en/tools/fcmdFCMD inquiry report
| Inventory Name | Country/Region | Status | Obligations |
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