Thorium Nitrate



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(2N) 99% Thorium Nitrate TH-NAT-02 Request Quote
(3N) 99.9% Thorium Nitrate TH-NAT-03 Request Quote
(4N) 99.99% Thorium Nitrate TH-NAT-04 Request Quote


Compound Formula N4O12Th
Molecular Weight 246.04
Appearance White
Melting Point N/A
Boiling Point N/A
Density N/A
Monoisotopic Mass N/A
Exact Mass N/A

Health & Safety Info  |  MSDS / SDS

Signal Word Danger
Hazard Statements H272-H302-H315-H319-H335-H373-H411
Hazard Codes O,Xn,R
Risk Codes 8-22-33-36/37/38
Safety Statements 36/37/39-45
RTECS Number XO6825000
Transport Information UN 1477 5.1/PG 2
WGK Germany 3
Globally Harmonized System of Classification and Labelling (GHS) N/A


Nitrate IonThorium Nitrate is a highly water soluble crystalline Thorium source for uses compatible with nitrates and lower (acidic) pH. All metallic nitrates are inorganic salts of a given metal cation and the nitrate anion. The nitrate anion is a univalent (-1 charge) polyatomic ion composed of a single nitrogen atom ionically bound to three oxygen atoms (Formula: NO3) for a total formula weight of 62.05. Nitrate compounds are generally soluble in water. Nitrate materials are also oxidizing agents. When mixed with hydrocarbons, nitrate compounds can form a flammable mixture. Nitrates are excellent precursors for production of ultra high purity compounds and certain catalyst and nanoscale (nanoparticles and nanopowders) materials. Thorium Nitrate is generally immediately available in most volumes. Ultra high purity, high purity, submicron and nanopowder forms may be considered. We also produce Thorium Nitrate Solution. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.


Thorium nitrate hydrate, Thorium(4+) tetranitrate, Thorium(IV) nitrate

Chemical Identifiers

Formula Th(NO3)4·xH2O
CAS 13823-29-5
Pubchem CID N/A
MDL MFCD03094924
EC No. 237-514-1
IUPAC Name Thorium(+4) cation tetranitrate
Beilstein Registry No. N/A
SMILES [Th+4].O=[N+]([O-])[O-].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O
InchI Identifier InChI=1S/4NO3.Th/c4*2-1(3)4;/q4*-1;+4

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Products & Element Information

See more Thorium products. Thorium (atomic symbol: Th, atomic number: 90) is a Block F, Group 3, Period 7 element with an atomic weight of 232.03806. The number of electrons in each of thorium's shells is [2, 8, 18, 32, 18, 10, 2] and its electron configuration is [Rn] 6d2 7s2. Thorium Bohr ModelThe thorium atom has a radius of 179 pm and a Van der Waals radius of 237 pm. Thorium was first discovered by Jöns Jakob Berzelius in 1829. The name Thorium originates from the Scandinavian god Thor, the Norse god of war and thunder. Elemental ThoriumIn its elemental form, thorium has a silvery, sometimes black-tarnished, appearance. It is found in small amounts in most rocks and soils. Thorium is a radioactive element that is currently the best contender for replacing uranium as nuclear fuel for nuclear reactors. It provides greater safety benefits, an absence of non-fertile isotopes, and it is both more available and abundant in the Earth's crust than uranium.

Recent Research

Surprising coordination for low-valent actinides resembling uranyl(vi) in thorium(iv) organic hybrid layered and framework structures based on a graphene-like (6,3) sheet topology., Li, Yuxiang, Weng Zhehui, Wang Yanlong, Chen Lanhua, Sheng Daopeng, Diwu Juan, Chai Zhifang, Albrecht-Schmitt Thomas E., and Wang Shuao , Dalton Trans, 2016 Jan 6, Volume 45, Issue 3, p.918-21, (2016)

Visualization of the glomerular endothelial glycocalyx by electron microscopy using cationic colloidal thorium dioxide., Hegermann, Jan, Lünsdorf Heinrich, Ochs Matthias, and Haller Hermann , Histochem Cell Biol, 2016 Jan, Volume 145, Issue 1, p.41-51, (2016)

White phosphorus activation by a Th(iii) complex., Formanuik, Alasdair, Ortu Fabrizio, Beekmeyer Reece, Kerridge Andrew, Adams Ralph W., and Mills David P. , Dalton Trans, 2016 Feb 14, Volume 45, Issue 6, p.2390-3, (2016)

Stabilization of Tetravalent 4f (Ce), 5d (Hf), or 5f (Th, U) Clusters by the [α-SiW9O34](10-) Polyoxometalate., Duval, Sylvain, Béghin Sébastien, Falaise Clément, Trivelli Xavier, Rabu Pierre, and Loiseau Thierry , Inorg Chem, 2015 Sep 8, Volume 54, Issue 17, p.8271-80, (2015)

A non-symmetric pillar[5]arene based on triazole-linked 8-oxyquinolines as a sequential sensor for thorium(IV) followed by fluoride ions., Fang, Yuyu, Li Caixia, Wu Lei, Bai Bing, Li Xing, Jia Yiming, Feng Wen, and Yuan Lihua , Dalton Trans, 2015 Sep 7, Volume 44, Issue 33, p.14584-8, (2015)

Fluorogenic Thorium Sensors Based on 2,6-Pyridinedicarboxylic Acid-Substituted Tetraphenylethenes with Aggregation-Induced Emission Characteristics., Wen, Jun, Dong Liang, Hu Sheng, Li Weiyi, Li Shuo, and Wang Xiaolin , Chem Asian J, 2015 Sep 30, (2015)

Detection of the Thorium Dimer via Two-Dimensional Fluorescence Spectroscopy., Steimle, Timothy, Kokkin Damian L., Muscarella Seth, and Ma Tongmei , J Phys Chem A, 2015 Sep 3, Volume 119, Issue 35, p.9281-5, (2015)

Separation of thorium ions from wolframite and scandium concentrates using graphene oxide., Jankovský, Ondřej, Sedmidubský David, Šimek Petr, Klímová Kateřina, Bouša Daniel, Boothroyd Chris, Macková Anna, and Sofer Zdeněk , Phys Chem Chem Phys, 2015 Sep 23, Volume 17, Issue 38, p.25272-7, (2015)

Direct Compositional Characterization of (U,Th)O2 Powders, Microspheres, and Pellets Using TXRF., Dhara, Sangita, Prabhat Parimal, and Misra N L. , Anal Chem, 2015 Oct 20, Volume 87, Issue 20, p.10262-7, (2015)