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Nitrates and nitrites

Cesium nitrate

Also known as Caesium nitrate, Nitric acid, cesium salt, Nitric acid cesium salt

CAS 7789-18-6Formula CsNO3Molar mass 194.91 g/molEC 232-146-8
GHS signal word: Danger. Pictograms: Oxidiser, Harmful or irritant, Serious health hazard 10 suppliers listed
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Cesium nitrate chemical structure, CsNO3, CAS 7789-18-6
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
409 °C
Density
3.685 @25 °C
HS code
283429
Category
Nitrates and nitrites
UN number
UN 1451
Illustrative photo, a shrink wrapped pallet of kraft paper sacks in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Cesium nitrate?

Plain description, key identifiers and synonyms

Caesium nitrate is the inorganic nitrate salt of caesium. It has a role as a NMR chemical shift reference compound. It is an inorganic caesium salt and an inorganic nitrate salt.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cesium nitrate
CAS number
7789-18-6 CAS number cross-checked
EC number
232-146-8
Molecular formula
CsNO3
UNII
0K0743KO17
InChIKey
NLSCHDZTHVNDCP-UHFFFAOYSA-N
InChI
InChI=1S/Cs.NO3/c;2-1(3)4/q+1;-1
SMILES (canonical and isomeric)
[N+](=O)([O-])[O-].[Cs+]

Synonyms

  • Caesium nitrate
  • Nitric acid, cesium salt
  • Nitric acid cesium salt
  • Nitric acid cesium salt (1:1)
  • Cesium nitrate or caesium nitrate
  • Cesium nitric acid
  • Caesium(1+) ion nitrate
  • Cesium(I) nitrate (1:1)
  • cesium, nitrate
  • cesium nitratum
  • caesium mononitrate
  • cesium nitric salt
  • cesium(I) nitrate
  • cesium nitrate salt
  • Cesium standard
  • Cesium nitrate, 99%
  • Cesium nitrate or caesium nitrate [UN1451] [Oxidizer]
  • Cesium nitrate, 99.9%
  • Cesium nitrate, Cabot high-purity grade
  • Cesium nitrate, puriss. p.a., 99.8%
  • Cesium nitrate, 99.99% trace metals basis
  • Cesium nitrate, 99.999% trace metals basis

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

Physical form
Crystalsexp.
Melting point
409 °Cexp.
Density
3.685 @25 °Cexp.

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
194.91 g/molcalc.
Exact mass
194.8933 Dacalc.
LogP (octanol/water)
-3.24calc.
Topological polar surface area
66.2 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H271May cause fire or explosion, strong oxidiser.
  • H272May intensify fire, oxidiser.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H361fSuspected of damaging fertility.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (29)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P283Wear fire resistant or flame retardant clothing.
  • P301 + P317If swallowed: Get medical help.
  • 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.
  • P306 + P360If on clothing: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P371 + P380 + P375In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P420Store separately.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1451
Transport hazard class
5.1
Packing group
III

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 nitrate suppliers

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

All 10 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

10 suppliers in 5 countries

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Cesium nitrate 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

Industrial uses: Catalyst.

Roles

  • NMR chemical shift reference compound
  • reference compound

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2834.29Indicative HS code

Nitrates, other

World exports in 2024
$338M
−26.0% vs 2023, imports $353M
2019 to 2024
Top exporters
  1. China28.9%
  2. Malaysia9.2%
  3. Norway * partner reported7.5%
Top importers
  1. United States7.8%
  2. Germany6.2%
  3. Australia4.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Cesium nitrate?

Caesium nitrate is the inorganic nitrate salt of caesium. It has a role as a NMR chemical shift reference compound. It is an inorganic caesium salt and an inorganic nitrate salt.

What is the CAS number of Cesium nitrate?

The CAS registry number of Cesium nitrate is 7789-18-6.

What is the molecular formula and weight of Cesium nitrate?

The molecular formula of Cesium nitrate is CsNO3 and its molar mass is 194.91 g/mol.

What is Cesium nitrate used for?

Industrial uses: Catalyst.

Is Cesium nitrate hazardous?

Cesium nitrate carries the GHS signal word "Danger". Main hazards: may cause fire or explosion, strong oxidiser, may intensify fire, oxidiser, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cesium nitrate?

Cesium nitrate is usually classified under HS code 283429 (Nitrates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cesium nitrate?

CompoundList lists 10 suppliers of Cesium nitrate in China, United States, United Kingdom, Indonesia and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cesium nitrate?

Suppliers quote Cesium nitrate 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 nitrate

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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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