Description

2,3,7,8-Tetrafluorothianthrene 5-oxide (CAS No. 2320491-72-1) is a high-purity fluorinated thianthrene derivative with the molecular formula C₁₂H₄F₄OS₂. This specialized organosulfur compound features a thianthrene core structure substituted with four fluorine atoms at the 2, 3, 7, and 8 positions, along with a sulfoxide group at the 5-position. The compound is supplied as a crystalline solid with exceptional purity (>98%) suitable for advanced research applications. Its unique electronic properties derived from the fluorine substituents make it particularly valuable in materials science and organic electronics research. Proper storage under inert atmosphere at 2-8°C is recommended to maintain stability.

Properties

• CAS Number: 2320491-72-1
• Complexity: 351
• IUPAC Name: 2,3,7,8-tetrafluorothianthrene 5-oxide
• InChI: InChI=1S/C12H4F4OS2/c13-5-1-9-11(3-7(5)15)19(17)12-4-8(16)6(14)2-10(12)18-9/h1-4H
• InChI Key: FJNMYEBXFNFTBJ-UHFFFAOYSA-N
• Exact Mass: 303.96396974
• Molecular Formula: C12H4F4OS2
• Molecular Weight: 304.3
• SMILES: C1=C(C(=CC2=C1SC3=C(S2=O)C=C(C(=C3)F)F)F)F
• Topological: 73.6
• Monoisotopic Mass: 303.96396974
• Synonyms: 2,3,7,8-Tetrafluorothianthrene 5-oxide, 950-447-9, 2320491-72-1, 2,3,7,8-TETRAFLUOROTHIANTHRENE-5-OXIDE, MFCD32062467, 2,3,7,8-Tetrafluorothianthrene-S-oxide, tetrafluorothianthrene S-oxide, SCHEMBL21924389, 2,3,7,8-Tetrafluorothianthrene5-oxide, SY264262, CS-0129065, F82704, 2,3,7,8-tetrafluoro-5lambda4-thianthren-5-one, EN300-7427637

Application

This fluorinated thianthrene derivative serves as a key intermediate in the synthesis of advanced organic electronic materials. Researchers utilize it in the development of novel charge transport materials for organic semiconductors. The compound’s electron-deficient structure makes it suitable for studying charge-transfer complexes and redox-active systems. It may also find application as a building block for liquid crystalline materials or as a ligand in coordination chemistry.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2A (100%)
• STOT SE 3 (100%)

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