Indoine Blue
Indoine Blue (CAS 4569-88-4), a dye with the empirical formula C30H24ClN5O and a molecular weight of 506.00 g/mol, is a key compound in materials science. Primarily recognised as Colour Index Basic Blue 16, it exhibits absorption at λmax 589 nm. This dye is valued for its properties in organic electronics and photonic applications, contributing to advancements in photochromic and optical materials.
- IUPAC
- Basic Blue 16

Organic and Printed Electronics
Indoine Blue serves as a functional dye in the development of organic electronic devices. Its optoelectronic properties are explored for applications in areas such as organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs).
Photochromic and Thermochromic Materials
This dye's potential for colour change in response to light or heat makes it suitable for developing photochromic and thermochromic materials. Such applications can include smart windows, security inks, and sensors.
Photonic and Optical Materials
Indoine Blue can be incorporated into photonic and optical materials due to its specific light absorption characteristics. It is investigated for use in optical filters, non-linear optics, and other advanced optical technologies.
| Molecular weight | 506.00 |
|---|---|
| Empirical formula | C30H24ClN5O |
| Composition | Dye content, 70% |
| Colour Index Number | 12210 |
|---|---|
| Absorption | λmax 589 nm |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Indoine Blue used for?
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Indoine Blue is used in materials science, particularly in organic and printed electronics, as well as in photochromic, thermochromic, photonic, and optical materials.
What are the CAS number and formula for Indoine Blue?
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The CAS number for Indoine Blue is 4569-88-4, and its empirical formula is C30H24ClN5O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Indoine Blue with a dye content of 70%. We do not represent this product as USP, BP, EP, or for pharmaceutical use.
What are the safety considerations for Indoine Blue?
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Indoine Blue (WGK Germany 3) requires careful handling. Consult the Safety Data Sheet (SDS) for comprehensive safety, handling, and disposal information. Avoid contact and ensure adequate ventilation.
How is Indoine Blue packed, shipped, and exported?
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Indoine Blue is carefully packed to ensure integrity during transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Indoine Blue?
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To request a sample or a quote for Indoine Blue, please contact our sales team through the TSS website or by phone.
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