Sodium pentamethylcyclopentadienide
五甲基环戊二烯酸钠
Also known as: Pentamethylcyclopentadienyl sodium, Sodium pentamethylcyclopentadienide solution, 1,2,3,4,5-Pentamethyl-2,4-cyclopentadien-1-ylsodium, Sodium pentamethylcyclopentadiene, MFCD00064794
Sodium pentamethylcyclopentadienide (CAS 40585-51-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H15Na and a molecular weight of 158.21600 g/mol. It is also known as Pentamethylcyclopentadienyl sodium, Sodium pentamethylcyclopentadienide solution and 1,2,3,4,5-Pentamethyl-2,4-cyclopentadien-1-ylsodium. Key properties include a boiling point of 170.2ºC at 760 mmHg, a density of 0.905 g/mL at 25ºC and a flash point of -6 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40585-51-1
- Jingsj CID
- J-1015252-6
- Molecular Formula
- C10H15Na
- Chinese Name
- 五甲基环戊二烯酸钠
- Molecular Weight
- 158.21600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 170.2ºC at 760 mmHg |
|---|---|
| Density | 0.905 g/mL at 25ºC |
| Flash Point | -6 °F |
Frequently Asked Questions
What is the CAS number of Sodium pentamethylcyclopentadienide?
The CAS number of Sodium pentamethylcyclopentadienide is 40585-51-1.
What are the molecular formula and molecular weight of Sodium pentamethylcyclopentadienide?
Sodium pentamethylcyclopentadienide has molecular formula C10H15Na and molecular weight 158.21600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium pentamethylcyclopentadienide (CAS 40585-51-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1015252-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.