Caronic anhydride
Also known as: 6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione, 3-Oxabicyclo[3.1.0]hexane-2,4-dione, 6,6-dimethyl-, 6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione (Caronic anhydride)
Caronic anhydride (CAS 67911-21-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H8O3 and a molecular weight of 140.137 g/mol. Key properties include a melting point of 52-55ºC, a boiling point of 246.3±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 112.7±15.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 67911-21-1
- Jingsj CID
- J-1334355-0
- Molecular Formula
- C7H8O3
- Molecular Weight
- 140.137 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 52-55ºC |
|---|---|
| Boiling Point | 246.3±9.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 112.7±15.9 °C |
| Exact Mass | 140.047348 |
| PSA | 43.37000 |
| LogP | -0.42 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.499 |
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 Caronic anhydride?
The CAS number of Caronic anhydride is 67911-21-1.
What are the molecular formula and molecular weight of Caronic anhydride?
Caronic anhydride has molecular formula C7H8O3 and molecular weight 140.137 g/mol.
What are the upstream and downstream products of Caronic anhydride?
For Caronic anhydride, Upstream Products: Ethyl chrysanthemate, carone; Downstream Products: 6,6-Dimethyl-3-azabicyclo[3.1.0]hexane-2,4-dione, 6,6-Dimethyl-3-azabicyclo[3.1.0]hexane, 6,6-Dimethyl-3-azabicyclo[3.1.0]hexane hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Caronic anhydride (CAS 67911-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334355-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.