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3688-92-4 - Thorin - L10297 - Alfa Aesar

L10297 Thorin

CAS Number
3688-92-4
Synonyms

Size Price ($) Quantity Availability
5g 33.75
25g 131.20
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Thorin

MDL
MFCD00003888
EINECS
222-993-1

Chemical Properties

Formula
C16H11AsN2Na2O10S2
Formula Weight
576.30
Melting point
>300°
Solubility
Soluble in water.

Applications

Thorin is used as a reagent for the determination of thorium. It is also used as an indicator in the titrimetric determination of organic sulfur compounds and sulfate with Ba(ClO4)2.

Notes

Stable under recommended storage conditions. Store away from oxidizing agents.

Literature References

D.A.Everest; J.V.Martin. The determination of thorium in ores with APANS-meso tartaric acid reagent after a shortened chromatographic separation. Analyst. 1957, 82, (981),807-811

 

J.Clinch. The colorimetric determination of thorium using 1-(o-arsonophenylazo)-2-naphthol-3:6-disulphonic acid. Analytica Chimica Acta. 1956, 14, 162-171

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H331-H400-H410

Toxic if swallowed. Toxic if inhaled. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Precautionary Statements: P261-P273-P264-P301+P310-P304+P340-P311-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wash thoroughly after handling. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
2957648
Hazard Class
6.1
Packing Group
II
Harmonized Tariff Code
2931.90
TSCA
Yes

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