Carminic Acid
Also known as: C.I. Natural Red 4, C.I. 75470, E120, Carmine, CARMINE, Karminsure, CARMINE RED, Carminic acid (natural dye), 7-β-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid, 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
Carminic Acid (CAS 1260-17-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H20O13 and a molecular weight of 492.386 g/mol. Key properties include a melting point of 136ºC, a boiling point of 907.6±65.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 316.1±27.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1260-17-9
- Jingsj CID
- J-1993627-7
- Molecular Formula
- C22H20O13
- Molecular Weight
- 492.386 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 136ºC |
|---|---|
| Boiling Point | 907.6±65.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 316.1±27.8 °C |
| Exact Mass | 492.090393 |
| PSA | 242.51000 |
| LogP | 4.80 |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.792 |
Activity & Biological Data
| Additional Information | [1]. Rasmus J N Frandsen, et al. Heterologous production of the widely used natural food colorant carminic acid in Aspergillus nidulans. Sci Rep. 2018 Aug 27;8(1):12853. |
|---|
Frequently Asked Questions
What is the CAS number of Carminic Acid?
The CAS number of Carminic Acid is 1260-17-9.
What are the molecular formula and molecular weight of Carminic Acid?
Carminic Acid has molecular formula C22H20O13 and molecular weight 492.386 g/mol.
What are the upstream and downstream products of Carminic Acid?
For Carminic Acid, Downstream Products: Ninhydrin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Carminic Acid (CAS 1260-17-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993627-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.