Skip to main content
Jingsj
.mol.sdf

Sodium pentamethylcyclopentadienide

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. 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 -21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
40585-51-1
Jingsj CID
J-1015252-0
Molecular Formula
C10H15Na
Molecular Weight
158.21600 g/mol
Category
Organic Acids
Last updated
11/2/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point170.2ºC at 760 mmHg
Density0.905 g/mL at 25ºC
Flash Point-21.1 °C
Exact Mass158.10700
LogP3.40070

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

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.

What are the upstream and downstream products of Sodium pentamethylcyclopentadienide?

For Sodium pentamethylcyclopentadienide, Upstream Products: Pentamethylcyclopentadiene.

Data compiled from public chemical databases such as PubChem 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-1015252-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.