1,1-Cyclobutanedicarboxylic acid
Also known as: cyclobutane-1,1-dicarboxylic acid, 1,1-Dicarboxycyclobutane, 1,1-cyclobutanedicarboxylic, 1-Cyclobutanedicarboxylic acid, cyclobutanedicarboxylic acid, cyclobutanedicarbonic acid, hydrogen cyclobutane-1,1-dicarboxylate, Carboplatin Impurity B, acide cyclobutanedicarboxylique-1,1
1,1-Cyclobutanedicarboxylic acid (CAS 5445-51-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O4 and a molecular weight of 144.125 g/mol. Key properties include a melting point of 157-161 ºC, a boiling point of 366.4±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 189.6±19.7 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5445-51-2
- Jingsj CID
- J-24466-6
- Molecular Formula
- C6H8O4
- Molecular Weight
- 144.125 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 157-161 ºC |
|---|---|
| Boiling Point | 366.4±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 189.6±19.7 °C |
| Exact Mass | 144.042252 |
| PSA | 74.60000 |
| LogP | -0.24 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.565 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2917209090 |
|---|---|
| Summary | 2917209090 other cyclanic, cyclenic or cyclotherpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,1-Cyclobutanedicarboxylic acid?
The CAS number of 1,1-Cyclobutanedicarboxylic acid is 5445-51-2.
What are the molecular formula and molecular weight of 1,1-Cyclobutanedicarboxylic acid?
1,1-Cyclobutanedicarboxylic acid has molecular formula C6H8O4 and molecular weight 144.125 g/mol.
Is 1,1-Cyclobutanedicarboxylic acid hazardous?
1,1-Cyclobutanedicarboxylic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 1,1-Cyclobutanedicarboxylic acid?
For 1,1-Cyclobutanedicarboxylic acid, Upstream Products: 1,3-Dibromopropane, Diethyl malonate, 1-cyanocyclobutane-1-carboxylic acid; Downstream Products: Cyclobutanecarbonyl chloride, Cyclobutanecarboxylic acid, Carbon dioxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,1-Cyclobutanedicarboxylic acid (CAS 5445-51-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24466-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.