Cesium methanesulfonate
Also known as: cesium methanesulfonate, methanesulfonic acid cesium salt, CsMsF, CsMeS, Cesiummethanesulfonate, Methanesulfonic acid,cesium salt (8CI,9CI)
Cesium methanesulfonate (CAS 2550-61-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH3CsO3S and a molecular weight of 228.00300 g/mol. Key property: a melting point of 262-264ºC(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 3 suppliers, 2 of which publish reference prices, from 17.90 to 92.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 2550-61-0
- Jingsj CID
- J-25586-6
- Molecular Formula
- CH3CsO3S
- Molecular Weight
- 228.00300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥8,950.00 | $2.68 /gBest ¥17.90/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥3,917.00 | $5.86 /g ¥39.17/g CNY | CN China MOQ 100g | |
Made to OrderPlatform-operated | 99% 100g | ¥4,900.00 | $7.33 /g ¥49.00/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Melting Point | 262-264ºC(lit.) |
|---|---|
| Exact Mass | 227.88600 |
| PSA | 65.58000 |
| LogP | 0.24220 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Cesium methanesulfonate?
The CAS number of Cesium methanesulfonate is 2550-61-0.
What are the molecular formula and molecular weight of Cesium methanesulfonate?
Cesium methanesulfonate has molecular formula CH3CsO3S and molecular weight 228.00300 g/mol.
Which suppliers offer Cesium methanesulfonate?
3 supplier(s) listed; reference unit price ¥17.90–92.00 /g.
Is Cesium methanesulfonate hazardous?
Cesium methanesulfonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cesium methanesulfonate (CAS 2550-61-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25586-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.