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Phosphates and phosphorus salts

Cesium phosphate

Also known as Cesiumphosphate, tricesium, phosphate, tricaesium(1+) ion phosphate

CAS 17893-64-0Formula Cs3O4PMolar mass 493.69 g/molEC 627-052-2
GHS signal word: Warning. Pictograms: Harmful or irritant
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Cesium phosphate chemical structure, Cs3O4P, CAS 17893-64-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17893-64-0
Formula
Cs3O4P
Molar mass
493.69 g/mol
EC number
627-052-2
HS code
283529
Category
Phosphates and phosphorus salts

What is Cesium phosphate?

Plain description, key identifiers and synonyms

Cesium phosphate is a chemical substance with the molecular formula Cs3O4P and a molar mass of 493.69 g/mol. Its CAS registry number is 17893-64-0. The IUPAC name is tricesium, phosphate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tricesium, phosphate
CAS number
17893-64-0 CAS number cross-checked
EC number
627-052-2
Molecular formula
Cs3O4P
InChIKey
CPWJKGIJFGMVPL-UHFFFAOYSA-K
InChI
InChI=1S/3Cs.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
SMILES (canonical and isomeric)
[O-]P(=O)([O-])[O-].[Cs+].[Cs+].[Cs+]

Synonyms

  • Cesiumphosphate
  • tricesium, phosphate
  • tricaesium(1+) ion phosphate
  • Phosphoric acid, tricesium salt (8CI,9CI)
  • Caesium phosphate
  • Tricaesium phosphate

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
493.69 g/molcalc.
Exact mass
493.6698 Dacalc.
LogP (octanol/water)
-11.81calc.
Topological polar surface area
86.25 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
4calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Cesium phosphate suppliers

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Cesium phosphate price

Indicative price range per kg from live supplier offers

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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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2835.29Indicative HS code

Phosphates, other

World exports in 2024
$249M
+7.3% vs 2023, imports $274M
2019 to 2024
Top exporters
  1. Germany19.7%
  2. China17.7%
  3. France * partner reported14.8%
Top importers
  1. United States8.3%
  2. Germany6.3%
  3. Malaysia6.2%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Cesium phosphate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Cesium phosphate?

Cesium phosphate is a chemical substance with the molecular formula Cs3O4P and a molar mass of 493.69 g/mol. Its CAS registry number is 17893-64-0. The IUPAC name is tricesium, phosphate.

What is the CAS number of Cesium phosphate?

The CAS registry number of Cesium phosphate is 17893-64-0.

What is the molecular formula and weight of Cesium phosphate?

The molecular formula of Cesium phosphate is Cs3O4P and its molar mass is 493.69 g/mol.

Is Cesium phosphate hazardous?

Cesium phosphate carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cesium phosphate?

Cesium phosphate is usually classified under HS code 283529 (Phosphates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cesium phosphate?

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What is the price of Cesium phosphate?

Suppliers quote Cesium phosphate 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 phosphate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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