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89170

Sigma-Aldrich

Thorium oxide

≥99.0%

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About This Item

Linear Formula:
ThO2
CAS Number:
1314-20-1
Molecular Weight:
264.04
EC Number:
215-225-1
MDL number:
MFCD00036277
UNSPSC Code:
12352300
PubChem Substance ID:
57653329

Assay

≥99.0%

reaction suitability

reagent type: catalyst
core: thorium

extent of labeling

7.15 kBq/g specific activity

SMILES string

O=[Th]=O

InChI

1S/2O.Th

InChI key

ZCUFMDLYAMJYST-UHFFFAOYSA-N

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Warning

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.

Other Notes

Sales restrictions may apply
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.

Pictograms

Health hazardSkull and crossbones
GHS08,GHS06

Signal Word

Danger

Hazard Statements

H301,H311,H331,H350,H373

Precautionary Statements

P201 - P261 - P280 - P301 + P310

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Carc. 1B - STOT RE 2

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
251886/1
251886/1V
BCBJ4163V
BCBJ4163

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[Carcinogenic chemicals and risk of hematopoietic neoplasms].
Masanobu Kobayashi
Nihon rinsho. Japanese journal of clinical medicine, 70 Suppl 2, 39-42 (2012-11-09)
Yoichiro Yamamoto et al.
Health physics, 99(3), 388-393 (2010-08-12)
Irradiation from internally deposited radionuclides induces malignant tumors. Ingested radionuclides accumulate in specific organs, which are irradiated over a lifelong period. Our aim is to elucidate why the development of malignant tumors requires long-term internal exposure, on the order of
Rakesh K Behera et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 24(21), 215405-215405 (2012-05-12)
Thorium dioxide (ThO(2)) is of great interest to energy research as thorium-based nuclear fuel offers the promise of increased proliferation resistance, longer fuel cycles, higher burn-up and improved wasteform characteristics in the generation of nuclear power. However, understanding of ThO(2)
Yoichiro Yamamoto et al.
Cancer science, 101(2), 336-340 (2009-11-18)
Exposure to internally deposited radionuclides is known to induce malignant tumors of various histological types. Thorotrast, a colloidal suspension of radioactive Thorium dioxide ((232)ThO(2)) that emits alpha-particles, was used as a radiographic contrast during World War II. Thorotrast is known
G van Kaick et al.
Der Radiologe, 51(12), 1052-1057 (2011-11-18)
The medical management and counseling of persons at high risk due to exposure to chemicals or radiation or due to personal disposition, present an additional challenge for physicians and especially radiologists involved. This article is based on own experiences with
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