Cesium hydroxide
氢氧化铯
Also known as: Caesium hydroxide, Cesium hydroxide (CsOH), EINECS 244-344-1, MFCD00010964, caesium hydroxide
Cesium hydroxide (CAS 21351-79-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CsOH and a molecular weight of 149.913 g/mol. It is also known as Caesium hydroxide, Cesium hydroxide (CsOH) and EINECS 244-344-1. Key properties include a melting point of 272 °C(lit.), a boiling point of 100ºC at 760 mmHg and a density of 3.68 g/mL at 25 °C(lit.). GHS signal word: Danger. It is listed by 1 supplier(s); request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 21351-79-1
- Jingsj CID
- J-46878-3
- Molecular Formula
- CsOH
- Chinese Name
- 氢氧化铯
- Molecular Weight
- 149.913 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
Supplier Offers
1| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99.9% 500g | - | - | CN China MOQ 500g | |
Made to Order | 99.9% 1kg | - | - | CN China MOQ 1kg | |
Made to Order | 99.9% 25kg | - | - | CN China MOQ 25kg |
Physicochemical Properties
| Melting Point | 272 °C(lit.) |
|---|---|
| Boiling Point | 100ºC at 760 mmHg |
| Density | 3.68 g/mL at 25 °C(lit.) |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Cesium hydroxide?
The CAS number of Cesium hydroxide is 21351-79-1.
What are the molecular formula and molecular weight of Cesium hydroxide?
Cesium hydroxide has molecular formula CsOH and molecular weight 149.913 g/mol.
Which suppliers offer Cesium hydroxide?
1 supplier(s) listed; request a quote for pricing.
Is Cesium hydroxide hazardous?
Cesium hydroxide has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cesium hydroxide (CAS 21351-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46878-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.