Diethyl squarate
方酸二乙酯
Also known as: 3,4-Diethoxy-3-cyclobutene-1,2-dione, Squaric acid diethyl ester, 3,4-Diethoxycyclobut-3-ene-1,2-dione, Diethyl squarate, 3,4-Diethoxy-3-cyclobutene-1,2-dione 98%, 3,4-Diethoxy-3-cyclobuten-1,2-dion, SQUARIC ACID DIETHYL ESTER, MFCD00001333
- CAS No.
- 5231-87-8
- Jingsj CID
- J-1991498-1
- Molecular Formula
- C8H10O4
- Chinese Name
- 方酸二乙酯
- Molecular Weight
- 170.163 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 19 °C |
|---|---|
| Boiling Point | 325.7±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 135.4±30.7 °C |
GHS Safety & Compliance
Irritant / Health HazardSignal word: Danger
Frequently Asked Questions
What is the CAS number of Diethyl squarate?
5231-87-8
What are the molecular formula and molecular weight of Diethyl squarate?
C8H10O4, molecular weight 170.163 g/mol
Is Diethyl squarate hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026