krypton
Also known as: (79Kr)kryptonato(2-), EINECS 231-098-5, KRYPTON, KRYPTON 99.999%, KRYPTON, PRESSURE TIN WITH 1000 ML, Kr, Krypton, refrigerated liquid (cryogenic liquid)., Krypton,compressed, Krypton,refrigerated liquid, Liquid krypton, MFCD00016158, krypton atom
krypton (CAS 7439-90-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Kr and a molecular weight of 83.79800 g/mol. Key properties include a melting point of -157ºC, a boiling point of -153ºC and a density of 3.736. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7439-90-9
- Jingsj CID
- J-1334554-5
- Molecular Formula
- Kr
- Molecular Weight
- 83.79800 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -157ºC |
|---|---|
| Boiling Point | -153ºC |
| Density | 3.736 |
| Exact Mass | 83.91150 |
| Stability | Stable and unreactive; not combustible. |
| Additional Property | 59.4mL/1000g H2O (20°C) [KIR78]; Henry’s law constants, k×10?4: 3.685 (70.2°C), 4.017 (175.0°C), 3.761 (175.0°C), 2.392 (252.5°C) [POT78] |
Frequently Asked Questions
What is the CAS number of krypton?
The CAS number of krypton is 7439-90-9.
What are the molecular formula and molecular weight of krypton?
krypton has molecular formula Kr and molecular weight 83.79800 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. "krypton (CAS 7439-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334554-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.