Urocanic acid
尿刊酸
Also known as: (E)-3-(1H-imidazol-4-yl)acrylic acid, (2E)-3-(1H-imidazol-4-yl)prop-2-enoic acid, 4-Imidazoleacrylic acid, 3-(1H-Imidazol-4-yl)acrylic acid, trans-Urocanic acid, Imidazoleacrylic acid
Urocanic acid (CAS 104-98-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O2 and a molecular weight of 138.124 g/mol. It is also known as (E)-3-(1H-imidazol-4-yl)acrylic acid, (2E)-3-(1H-imidazol-4-yl)prop-2-enoic acid and 4-Imidazoleacrylic acid. Key properties include a melting point of 226-228 °C(lit.), a boiling point of 456.9±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 230.1±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 104-98-3
- Jingsj CID
- J-1991962-7
- Molecular Formula
- C6H6N2O2
- Chinese Name
- 尿刊酸
- Molecular Weight
- 138.124 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 226-228 °C(lit.) |
|---|---|
| Boiling Point | 456.9±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 230.1±21.8 °C |
Frequently Asked Questions
What is the CAS number of Urocanic acid?
The CAS number of Urocanic acid is 104-98-3.
What are the molecular formula and molecular weight of Urocanic acid?
Urocanic acid has molecular formula C6H6N2O2 and molecular weight 138.124 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Urocanic acid (CAS 104-98-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991962-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.