[1-[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]-4-iodobenzene](difluoroborane) TCI D4632

Chemical Identity

CAS No.: 250734-47-5
PubChem: CID 25058171·SID 354333809
Formula: C19H18BF2IN2
Molecular weight: 450.08 g/mol
Purity: >98.0%(HPLC)
Reference databases: ChEBI·ChemSpider

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2,2-difluoro-8-(4-iodophenyl)-4,6,10,12-tetramethyl-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene
SMILES: [B-]1(N2C(=CC(=C2C(=C3[N+]1=C(C=C3C)C)C4=CC=C(C=C4)I)C)C)(F)F
InChIKey: VPZZHCAOEMWMSI-UHFFFAOYSA-N

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TCI D4632 is a dipyrromethene dye, better known as a BODIPY derivative, with the full chemical name [1-[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]-4-iodobenzene](difluoroborane). Its core structure consists of a dipyrromethene framework bound to a boron difluoride center, with a 4-iodophenyl group attached at the meso position. This family of dyes holds an important place in photonics and molecular biology laboratories because its members are recognised as brilliant fluorophores with narrow, sharp absorption and emission bands, which is why they are so widely employed as fluorescent labels, imaging probes, and active components in optical materials.

What makes this particular compound distinctive is a combination of two features. First, the BODIPY core delivers excellent photophysical behaviour: the framework is rigid, relatively tolerant of changes in pH and solvent polarity, and produces strong fluorescence that remains stable under light exposure. Second, the iodo group on the meso-position phenyl ring adds two further capabilities. The iodine atom serves as an excellent reactive handle for palladium-catalysed cross-coupling reactions such as Sonogashira and Suzuki couplings, allowing the dye to be conjugated readily to other molecular structures rather than being used only as a finished dye.

In Indonesian laboratories, a reagent of this type is typically used in university and institutional research groups working on photonic and optical materials, fluorescent probe development, and synthetic dye chemistry. It is normally ordered in small research quantities for method development and for the preparation of functionalised fluorophores, and is handled together with standard cross-coupling reagents and spectroscopic instrumentation already present in organic synthesis and materials characterisation facilities.

TCI brochures (PDF)

Boron Compounds 2025-10-07 · p. 28

Related TCI products

Fluorescent labelling — the bright, sharp emission of the BODIPY core allows samples to be tagged with a strong signal that remains easy to distinguish from background using standard fluorescence detection.
Imaging probe development — because the framework is relatively insensitive to pH and solvent polarity, it gives reproducible probe behaviour across the varied sample media encountered in molecular biology imaging work.
Optical materials preparation — the dye serves as an active fluorescent component in optical materials, where its photostability under light exposure supports use in devices intended for prolonged illumination.
Palladium-catalysed cross-coupling synthesis — the meso 4-iodophenyl group provides an excellent reactive handle for Sonogashira and Suzuki couplings, letting researchers attach the fluorophore to larger molecular scaffolds.
Functionalised fluorophore synthesis — rather than being limited to use as a finished dye, this compound acts as a synthetic building block for building tailored dye conjugates in research programmes.

Brand	TCI (Tokyo Chemical Industry)
CAS number	250734-47-5
Molecular formula	—
Purity	—
Category	Materials Science > Photonic Materials and Optical Materials > Dipyrromethene Dyes
Pack sizes	available in research-scale pack sizes as listed by the manufacturer for this catalogue number
Physical form	—
Storage	store according to the manufacturer's stated conditions on the product label and safety data sheet

Chemical name: [1-[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]-4-iodobenzene](difluoroborane)

Store this dye in its original tightly closed container, protected from light, and keep it in a cool, dry place away from heat sources and incompatible chemicals, following the conditions stated on the manufacturer's label and safety data sheet. Amber glass or foil-wrapped containers are appropriate for light-sensitive fluorophores, and solutions should be prepared fresh where possible. Handle the solid in a fume hood using gloves, safety glasses, and a laboratory coat, avoid generating dust, and consult the safety data sheet before weighing, dissolving, or reacting the material. Dispose of residues and contaminated consumables through the laboratory's chemical waste procedures.

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Product Categories

Materials Science

Photonic Materials and Optical Materials Dipyrromethene Dyes

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