Crotonic anhydride
Also known as: 2-Butenoic anhydride, trans-2-Butenoic anhydride, (2E)-2-Butenoic anhydride, 2-Butenoic acid, anhydride, 2-Butensureanhydrid, CROTONSAEUREANHYDRID, Crotonic Anhydride, EINECS 210-807-1, MFCD00009286, anhydridkyselinykrotonove, crotonicacidanhydride
Crotonic anhydride (CAS 623-68-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10O3 and a molecular weight of 154.163 g/mol. Key properties include a melting point of 72ºC, a boiling point of 247.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 110.6±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 623-68-7
- Jingsj CID
- J-4444-0
- Molecular Formula
- C8H10O3
- Molecular Weight
- 154.163 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 72ºC |
|---|---|
| Boiling Point | 247.0±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 110.6±0.0 °C |
| Exact Mass | 154.062988 |
| PSA | 43.37000 |
| LogP | 1.76 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.465 |
Customs & Trade Information
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic 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 Crotonic anhydride?
The CAS number of Crotonic anhydride is 623-68-7.
What are the molecular formula and molecular weight of Crotonic anhydride?
Crotonic anhydride has molecular formula C8H10O3 and molecular weight 154.163 g/mol.
What are the upstream and downstream products of Crotonic anhydride?
For Crotonic anhydride, Upstream Products: Crotonic acid, Crotonaldehyde, Diketene; Downstream Products: (4S)-N-Crotonyl-4-benzyl-2-oxazolidinone, Propyne, 1,1,2-Trichloroethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Crotonic anhydride (CAS 623-68-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4444-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.