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THORIUM NITRATE HYDRATE

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THORIUM NITRATE HYDRATE Basic information

Product Name:
THORIUM NITRATE HYDRATE
Synonyms:
  • nitricacid,thorium(4+)salt
  • THORIUM (IV) NITRATE
  • THORIUM(IV) NITRATE HYDRATE
  • THORIUM NITRATE
  • THORIUM NITRATE HYDRATE
  • Thorium tetranitrate
  • Nitric acid,thoriuM(4+) salt (4:1)
  • THORIUM TETRANITRATE(Hydrate form)
CAS:
13823-29-5
MF:
N4O12Th
MW:
480.06
EINECS:
237-514-1
Product Categories:
  • Catalysis and Inorganic Chemistry
  • Chemical Synthesis
  • Thorium Salts
  • Materials Science
  • Metal and Ceramic Science
  • Thorium
  • Inorganics
  • Thorium Salts
  • ThoriumMetal and Ceramic Science
  • Catalysis and Inorganic Chemistry
  • Chemical Synthesis
  • Salts
  • 1
Mol File:
13823-29-5.mol
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THORIUM NITRATE HYDRATE Chemical Properties

Melting point:
decomposes at 500℃ [CRC10]
solubility 
very soluble in H2O, ethanol
color 
hygroscopic white plates
Water Solubility 
g/100g H2O: 186 (0°C), 187 (10°C), 191 (20°C) [LAN05]; additional solubility data are in [SIE94]
Merck 
13,9454
Stability:
Stable. Deliquescent. Weakly radioactive (radioactivity 3300 Bq/g). Incompatible with reducing agents.
CAS DataBase Reference
13823-29-5(CAS DataBase Reference)
EPA Substance Registry System
Thorium nitrate (13823-29-5)
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Safety Information

Hazard Codes 
O,Xn,R,N
Risk Statements 
8-22-33-36/37/38-51/53
Safety Statements 
36/37/39-45-61
RIDADR 
2915
RTECS 
XO6825000
HazardClass 
7
Hazardous Substances Data
13823-29-5(Hazardous Substances Data)
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THORIUM NITRATE HYDRATE Usage And Synthesis

Chemical Properties

white solid

Uses

Reagent for determination of fluorine, thoriated tungsten filaments.

General Description

A white crystalline mass. Mildly toxic. Not combustible but accelerates burning of combustible materials. May explode in a fire if in large quantities or if the combustible material is finely divided. Toxic oxides of nitrogen are produced in fires. Mildly radioactive. Radioactive materials emit certain rays detectable only by instruments. Minimal radiation hazard in transport. No protective shielding for packages is required.

Air & Water Reactions

Somewhat soluble in water.

Reactivity Profile

Thorium nitrate is soluble in water and very soluble in alcohol (ethanol) and acids and is not combustible but accelerates burning of combustible materials. Thorium nitrate is highly reactive and incompatible with combustible materials, organic materials, and finely powdered metals. It may explode in a fire if in large quantities or if the combustible material is finely divided. Toxic oxides of nitrogen are produced in fires. Thorium nitrate, on contact with oxidising agent, oxidisable materials, and combustible and/or organic materials, causes fire and chemical hazards and violent explosion.
Mixtures of metal/nonmetal nitrates with alkyl esters may explode, owing to the formation of alkyl nitrates; mixtures a nitrate with phosphorus, tin (II) chloride. or other reducing agents may react explosively [Bretherick 1979 p. 108-109]. With water forms a weak solution of nitric acid, the reaction is not hazardous.

Hazard

Dangerous fire and explosion risk in contact with organic materials, strong oxidizing agent. Radioactive.

Health Hazard

Compound has low chemical toxicity, but alpha emission is expected to constitute a hazard if a fairly large amount is inhaled or ingested. Dust may irritate eyes and cause diffuse dermatitis. Beta and gamma emission is small.

Safety Profile

Poison by intraperitoneal, intravenous, and intratracheal routes. Moderately toxic by ingestion. Experimental reproductive effects. Radioactive. An oxidizing material; when in contact with readily combustible substances will cause violent combustion or ignition. When heated to decomposition it emits toxic fumes of NOx. See also THORIUM and NITRATES.

THORIUM NITRATE HYDRATE Preparation Products And Raw materials

Preparation Products

THORIUM NITRATE HYDRATESupplier

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