Shikalkin
莽草素
Also known as: Shikonin (mixture of optical isomers, about 1:1), 5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione, 1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-penten-1-yl)-, Arnebin-4, Nsc 291845, (±)-Shikonin, (±)-Alkannin
Shikalkin (CAS 54952-43-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H16O5 and a molecular weight of 288.295 g/mol. It is also known as Shikonin (mixture of optical isomers, about 1:1), 5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione and 1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-penten-1-yl)-. Key properties include a melting point of 149 °C, a boiling point of 567.4±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 311.0±26.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54952-43-1
- Jingsj CID
- J-22756-2
- Molecular Formula
- C16H16O5
- Chinese Name
- 莽草素
- Molecular Weight
- 288.295 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 149 °C |
|---|---|
| Boiling Point | 567.4±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 311.0±26.6 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Shikalkin?
The CAS number of Shikalkin is 54952-43-1.
What are the molecular formula and molecular weight of Shikalkin?
Shikalkin has molecular formula C16H16O5 and molecular weight 288.295 g/mol.
Is Shikalkin hazardous?
Shikalkin has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Shikalkin (CAS 54952-43-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22756-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.