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Atomfair Acidal Fast Violet 10B [‘NA’] C32H36N3O6S2+

Description Acidal Fast Violet 10B (CAS 21901-29-1) is a high-purity synthetic dye belonging to the triarylmethane class, with the molecular formula C32H36N3O6S2SUB_SUP_5 . This vibrant violet cationic dye features a complex structure with dual sulfonate groups ( -SO3SUB_SUP_7 ) for enhanced water solubility and dimethylamino substituents that contribute to its intense color properties. As a certified biological stain, it demonstrates exceptional lightfastness (ISO R105 Grade 4-5) and thermal stability up to 200??C. The product is supplied as a free-flowing powder with ??95% purity (HPLC), low heavy metal content (

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Description

Description

Acidal Fast Violet 10B (CAS 21901-29-1) is a high-purity synthetic dye belonging to the triarylmethane class, with the molecular formula C32H36N3O6S2+. This vibrant violet cationic dye features a complex structure with dual sulfonate groups (-SO3–) for enhanced water solubility and dimethylamino substituents that contribute to its intense color properties. As a certified biological stain, it demonstrates exceptional lightfastness (ISO R105 Grade 4-5) and thermal stability up to 200??C. The product is supplied as a free-flowing powder with ??95% purity (HPLC), low heavy metal content (<10ppm), and meets ASTM D2021 standards for textile dyes. Suitable for histology applications, it shows optimal absorption at ??max 590-595nm in aqueous solutions with molar extinction coefficient ?? ?? 85,000 L??mol-1??cm-1. Packaging options include amber glass vials (1g, 5g) or HDPE bottles (25g, 100g) with nitrogen blanket for extended shelf life.

  • CAS No: 21901-29-1
  • Molecular Formula: C32H36N3O6S2+
  • Molecular Weight: 622.8
  • Exact Mass: 622.20455322
  • Monoisotopic Mass: 622.20455322
  • Charge: 1
  • IUPAC Name: [4-[[4-(dimethylamino)phenyl]-[4-[ethyl-[(3-sulfophenyl)methyl]amino]-2-sulfophenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium
  • SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)O)C2=CC(=C(C=C2)C(=C3C=CC(=[N+](C)C)C=C3)C4=CC=C(C=C4)N(C)C)S(=O)(=O)O
  • Synonyms: Acidal Fast Violet 10B, 5863-53-6, Erio Cyanine R, Kiton Violet 10B, Acilan Violet 10B

Application

Primarily employed as a histological stain for connective tissue visualization in Mallory’s and Masson’s trichrome staining protocols. Used in textile industries for dyeing silk and modified acrylic fibers, providing excellent washfastness (ISO 105-C06: 4-5). Functions as a redox indicator in analytical chemistry with E0 = +0.71V. Recent research applications include use as a photosensitizer in dye-sensitized solar cells (DSSCs) and as a fluorescent probe for amyloid fibril detection.

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