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Merck
CN

89150

Thorium nitrate hydrate

99% (T), ~4 mol/mol water

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About This Item

Linear Formula:
Th(NO3)4 · aq
CAS Number:
13823-29-5
Molecular Weight:
480.06 (anhydrous basis)
UNSPSC Code:
12352302
PubChem Substance ID:
57653327
EC Number:
237-514-1
MDL number:
MFCD03094924

Key Documents

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InChI key

PRFFJYANKYMDRN-UHFFFAOYSA-N

InChI

1S/4NO3.H2O.Th/c4*2-1(3)4;;/h;;;;1H2;/q4*-1;;+4

SMILES string

O.[Th+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O

assay

99% (T)

form

solid

reaction suitability

reagent type: catalyst
core: thorium

extent of labeling

3.93 kBq/g specific activity

impurities

~4 mol/mol water

Other Notes

Regulations require a license for the sale of radioactive substances in Switzerland. Swiss customers are kindly requested when ordering, to include their license number, issued by the Swiss Public Health Authorities.
Sales restrictions may apply.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Ox. Sol. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCBJ8240V
BCBJ4557V
BCBK1136V
BCBJ4835V
1373226

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V Jobbágy et al.
Radiation protection dosimetry, 141(4), 440-443 (2010-09-11)
Thoron and progeny are decay products of (232)Th with a great impact on human health. The release of thoron gas from the mining and milling of thorite, monazite and other major thorium ores has been recognised as a potential radiological
O V Raskosha et al.
Radiatsionnaia biologiia, radioecologiia, 45(6), 744-750 (2006-02-04)
We studied the effects of both: of the separate and of the combined exposure to gamma-radiation (absorbed doses for 30 days were 1.4-1.8 cGy, for 90 days were 4.3-5.4 cGy) and 232Th nitrate (in concentrations 6.0; 20.0 and 60.0 mg/l)
T I Evseeva et al.
Radiatsionnaia biologiia, radioecologiia, 40(4), 456-461 (2000-10-14)
The action of 232Th-nitrate in concentration 0.09, 0.18 and 0.36 mg/l (counting on 232Th ion) on water cultures of Tradescantia (clone 02) was investigated. It was found that all investigated concentrations of 232Th showed statistically significant genotoxic effect and increased
Pius O Adelani et al.
Inorganic chemistry, 49(12), 5701-5705 (2010-05-15)
The hydrothermal reactions of thorium nitrate and uranyl acetate with carboxyphenylphosphonic acid and HF result in the formation of ThF(2)(PO(3)C(6)H(4)CO(2)H) and UO(2)(PO(3)HC(6)H(4)CO(2)H)(2).2H(2)O, respectively. ThF(2)(PO(3)C(6)H(4)CO(2)H) adopts a pillared structure constructed from thorium oxyfluoride layers built from [ThO(4)F(4)] units that are bridged
G N Stradling et al.
Human & experimental toxicology, 14(2), 165-169 (1995-02-01)
1. With DTPA as a comparison, the siderophore analogue 3,4,3-LIHOPO has been examined for its ability to remove 228Th nitrate from the rat after subcutaneous (sc) and intramuscular (im) injection to simulate wound contamination. The commencement of treatment was delayed
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