CompoundList

Cesium cation

Also known as Cesium, ion (Cs1+), Cesium ion(1+), cesium ion

CAS 18459-37-5Formula Cs+Molar mass 132.91 g/mol
Drug substance
Cesium cation chemical structure, Cs+, CAS 18459-37-5
2D chemical structure

Key facts

What buyers check first

CAS number
18459-37-5
Formula
Cs+
Molar mass
132.91 g/mol
HS code
285390
Category
Metals, alloys and elements

What is Cesium cation?

Plain description, key identifiers and synonyms

Caesium(1+) is a caesium cation, a monoatomic monocation, an alkali metal cation, a monovalent inorganic cation and a caesium ion.

Cesium cation is a metal ion.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cesium(1+)
CAS number
18459-37-5
Molecular formula
Cs+
UNII
LCC4BG14DM
InChIKey
NCMHKCKGHRPLCM-UHFFFAOYSA-N
InChI
InChI=1S/Cs/q+1
SMILES (canonical and isomeric)
[Cs+]

Synonyms

  • Cesium, ion (Cs1+)
  • Cesium ion(1+)
  • cesium ion
  • cesium(1+)
  • Cs+
  • cesium(I)
  • Cesium (I) ion
  • caesium(1+)
  • Cs(+)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
132.91 g/molcalc.
Exact mass
132.9049 Dacalc.
LogP (octanol/water)
-3calc.
Topological polar surface area
0 ร…ยฒcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
1calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
1calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Cesium cation suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Cesium cation can send you quotes. Your contact details stay private until you accept a quote.

Cesium cation price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cesium cation is traded under.

HS 2853.90Indicative HS code

Phosphides, whether or not chemically defined, excluding ferrophosphorus, other, other

World exports in 2024
$2.45B
โˆ’33.6% vs 2023, imports $816M
2019 to 2024
Top exporters
  1. China68.4%
  2. Israel8.1%
  3. United States4.9%
Top importers
  1. United States19.3%
  2. Japan17.9%
  3. China13.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Cesium cation is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cesium cation, based on the data on this page

What is Cesium cation?

Caesium(1+) is a caesium cation, a monoatomic monocation, an alkali metal cation, a monovalent inorganic cation and a caesium ion.

What is the CAS number of Cesium cation?

The CAS registry number of Cesium cation is 18459-37-5.

What is the molecular formula and weight of Cesium cation?

The molecular formula of Cesium cation is Cs+ and its molar mass is 132.91 g/mol.

Is Cesium cation hazardous?

No GHS hazard classification for Cesium cation is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Cesium cation?

Cesium cation is usually classified under HS code 285390 (Phosphides, whether or not chemically defined, excluding ferrophosphorus, otherโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cesium cation?

Post a free request on CompoundList and suppliers of Cesium cation will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cesium cation?

Suppliers quote Cesium cation on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Cesium cation

Get quotes for Cesium cation

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Cesium cation with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/cesium-cation-18459-37-5" title="Cesium cation structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Metals, alloys and elements or HS code 285390

Price on request
Free quotes, contact stays private
Get quotes