Dibutyl squarate
Also known as: Squaric acid dibutyl ester, Squaric acid di-n-butyl ester, 3,4-Dibutoxy-3-cyclobutene-1,2-dione, 3,4-Dibutoxycyclobut-3-ene-1,2-dione, 3,4-Di-n-butoxy-3-cyclobutene-1,2-dione, Di-n-butyl squarate, SADBE
Dibutyl squarate (CAS 2892-62-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H18O4 and a molecular weight of 226.269 g/mol. Key properties include a boiling point of 353.2±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 157.2±30.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2892-62-8
- Jingsj CID
- J-9910-5
- Molecular Formula
- C12H18O4
- Molecular Weight
- 226.269 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 353.2±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 157.2±30.7 °C |
| Exact Mass | 226.120514 |
| PSA | 52.60000 |
| LogP | 1.97 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.477 |
| Additional Property | INSOLUBLE |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Dibutyl squarate?
The CAS number of Dibutyl squarate is 2892-62-8.
What are the molecular formula and molecular weight of Dibutyl squarate?
Dibutyl squarate has molecular formula C12H18O4 and molecular weight 226.269 g/mol.
Is Dibutyl squarate hazardous?
Dibutyl squarate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Dibutyl squarate?
For Dibutyl squarate, Upstream Products: Squaric acid, 1-Butanol, 2,3,4,4-tetrachlorocyclobut-2-en-1-one; Downstream Products: 2,4-Bis[4-(diethylamino)-2-hydroxyphenyl]squaraine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dibutyl squarate (CAS 2892-62-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9910-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.