neptunium
Also known as: EINECS 231-108-8, Neptunium, neptunium atom
neptunium (CAS 7439-99-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula Np and a molecular weight of 237.05 g/mol. No supplier offers are currently listed; request a quote. Record last updated Oct 28, 2026.
- CAS No.
- 7439-99-8
- Jingsj CID
- J-25911-8
- Molecular Formula
- Np
- Molecular Weight
- 237.05 g/mol
- Category
- Organic Compounds
- Last updated
- 10/28/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 123.03200 |
|---|---|
| PSA | 45.82000 |
| LogP | 2.11800 |
Frequently Asked Questions
What is the CAS number of neptunium?
The CAS number of neptunium is 7439-99-8.
What are the molecular formula and molecular weight of neptunium?
neptunium has molecular formula Np and molecular weight 237.05 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "neptunium (CAS 7439-99-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25911-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.