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13823-29-5

Name THORIUM NITRATE HYDRATE
CAS 13823-29-5
EINECS(EC#) 237-514-1
Molecular Formula N4O12Th
MDL Number MFCD00148855
Molecular Weight 480.06
MOL File 13823-29-5.mol

Chemical Properties

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

Safety Data

Hazard Codes  O,Xn,R
Risk Statements 
R8:Contact with combustible material may cause fire.
R22:Harmful if swallowed.
R33:Danger of cumulative effects.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  2915
RTECS  XO6825000
HazardClass  7
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.
Hazardous Substances Data 13823-29-5(Hazardous Substances Data)

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