Carmine
Also known as: CI 75470, CI No. 75470, C.I. 75470, Natural Red 4, Alum lake of carminic acid, Cochineal, Nacarat, Carmine Red, Carmine aluminum lake, Carminic acid, 7-beta-D-Glucopyranosyl-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-anthracene-2-carboxylic acid, (1S)-1,5-Anhydro-1-(7-carboxy-1,3,4,6-tetrahydroxy-8-methyl-9,10-dioxo-9,10-dihydro-2-anthracenyl)-D-glucitol, E120
Carmine (CAS 1390-65-4) is a compound in the Organic Compounds 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 dec, 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. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 1390-65-4
- Jingsj CID
- J-28660-2
- Molecular Formula
- C22H20O13
- Molecular Weight
- 492.386 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 136ºC dec |
|---|---|
| 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 | 256.66000 |
| LogP | 4.80 |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.792 |
| Additional Property | ammonium hydroxide: soluble1mg/mL |
Activity & Biological Data
| Additional Information | [1]. Chandler W Rundle, et al. Contact Dermatitis to Carmine. Dermatitis. Sep/Oct 2018;29(5):244-249. [2]. R W Dapson, et al. The history, chemistry and modes of action of carmine and related dyes. Biotech Histochem. 2007 Aug;82(4-5):173-87. |
|---|
Frequently Asked Questions
What is the CAS number of Carmine?
The CAS number of Carmine is 1390-65-4.
What are the molecular formula and molecular weight of Carmine?
Carmine has molecular formula C22H20O13 and molecular weight 492.386 g/mol.
Which suppliers offer Carmine?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Carmine (CAS 1390-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28660-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.