CAS 3688-92-4: Thorin

Description: Thorin, with the CAS number 3688-92-4, is a chemical compound primarily known for its application as a colorimetric reagent in analytical chemistry, particularly in the determination of certain metal ions. It is a derivative of phenol and exhibits a characteristic deep red color when it forms complexes with specific metal ions, such as lanthanides and actinides. Thorin is soluble in water and exhibits stability under various conditions, making it useful in laboratory settings. Its ability to form stable complexes allows for sensitive detection and quantification of metals, which is crucial in fields such as environmental monitoring and nuclear chemistry. Additionally, Thorin's structure includes functional groups that contribute to its reactivity and interaction with metal ions. Safety precautions should be observed when handling Thorin, as with any chemical reagent, to minimize exposure and ensure proper laboratory practices.

Formula: C₁₆H₁₃AsN₂O₁₀S₂·2Na

InChI: InChI=1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,20H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;

InChI key: InChIKey=PLFZMHNLPSARON-UHFFFAOYSA-N

SMILES: [Na].O=S(=O)(O)C=1C=CC=2C(C1)=CC(=C(O)C2N=NC=3C=CC=CC3[As](=O)(O)O)S(=O)(=O)O

Synonyms:

• 1-(o-Arsonophenylazo)-2-naphthol-3,6-disulfonic acid, sodium salt
• 2,7-Naphthalenedisulfonic acid, 4-[(2-arsonophenyl)azo]-3-hydroxy-, disodium salt
• 2,7-Naphthalenedisulfonic acid, 4-[(o-arsonophenyl)azo]-3-hydroxy-, disodium salt
• 2,7-Naphthalenedisulfonic acid, 4-[2-(2-arsonophenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)
• 2-(3,6-Disulfo-2-hydroxy-1-naphthylazo)benzene arsonic acid, disodium salt
• Thorin
• Thoron
• Thoronol
• disodium (4E)-4-[(2-arsonophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2,7-disulfonate

Thorin [for Determination of Th, etc.]

CAS: 3688-92-4

• Formula: C₁₆H₁₁AsN₂Na₂O₁₀S₂
• Purity: >97.0%(T)(HPLC)
• Color and Shape: Orange to Brown to Dark red powder to crystal
• Molecular weight: 576.29

THORIN

CAS: 3688-92-4

• Formula: C₁₆H₁₃AsN₂NaO₁₀S₂
• Purity: 98%
• Molecular weight: 555.3232

Thorin

CAS: 3688-92-4

• Formula: C₁₆H₁₁AsN₂Na₂O₁₀S₂
• Color and Shape: Red to red-orange or brown powder
• Molecular weight: 576.30

Thorin

CAS: 3688-92-4

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• Formula: C₁₆H₁₃AsN₂O₁₀S₂•Na₂
• Purity: Min. 95%
• Color and Shape: Powder
• Molecular weight: 578.32 g/mol

Thorin extrapure AR

CAS: 3688-92-4

• Formula: C₁₆H₁₁AsN₂Na₂O₁₀S₂
• Color and Shape: Red to Red Brown, Powder
• Molecular weight: 576.30