rubidium
Also known as: EINECS 231-126-6, MFCD00134055, rubidium atom
rubidium (CAS 7440-17-7) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Rb and a molecular weight of 85.46780 g/mol. Key properties include a melting point of 38-39 °C(lit.), a boiling point of 686 °C(lit.) and a density of 1.53 g/mL at 25 °C(lit.). It is classified under GHS with signal word Danger and hazard statements H260 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7440-17-7
- Jingsj CID
- J-1324398-0
- Molecular Formula
- Rb
- Molecular Weight
- 85.46780 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 38-39 °C(lit.) |
|---|---|
| Boiling Point | 686 °C(lit.) |
| Density | 1.53 g/mL at 25 °C(lit.) |
| Exact Mass | 84.91180 |
| Appearance | ingot |
GHS Safety & Compliance
- H260
- H314 — Causes severe skin burns and eye damage
Frequently Asked Questions
What is the CAS number of rubidium?
The CAS number of rubidium is 7440-17-7.
What are the molecular formula and molecular weight of rubidium?
rubidium has molecular formula Rb and molecular weight 85.46780 g/mol.
Is rubidium hazardous?
rubidium has GHS signal word Danger and hazard statements H260; H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "rubidium (CAS 7440-17-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1324398-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.