Solvent Red 23 Dye High-Stability & Industrial-Grade Colorant

Article Outline:

• Fundamental properties and chemical structure of solvent dyes
• Technical advantages of Solvent Red 23 dye formulation
• Manufacturer comparison for industrial dye production
• Customization options for specialized applications
• Real-world implementation case studies
• Cresol red indicator pH range characteristics and applications
• Industry outlook and future development potential

(solvent red 23)

Fundamental Properties and Applications of Solvent Red 23

Solvent Red 23 (C.I. 26100) is a high-performance, oil-soluble azo dye primarily utilized in hydrocarbon-based applications. Its molecular structure features excellent chromophore stability with absorption maxima between 505-510 nm, producing vibrant reddish shades. This synthetic dye offers superior resistance to heat degradation (stable up to 220°C) and maintains color integrity under UV exposure for over 1,000 hours in accelerated weathering tests. Chemical manufacturers value its 98.5% purity grade and viscosity range of 150-200 cP at 25°C, which ensures consistent blending in solvent-based systems. Unlike water-soluble alternatives, Solvent Red 23 demonstrates exceptional solubility in non-polar media including kerosene, mineral oils, and chlorinated solvents (up to 20g/L concentration).

Technical Advantages in Industrial Formulation

The dye exhibits outstanding batch-to-batch color consistency with ΔE values below 0.8 under standard lighting conditions, critical for automotive and packaging applications requiring precise color matching. Recent stability studies demonstrate 18% greater lightfastness and 23% improved thermal resistance compared to the discontinued Solvent Red 24 alternative. When combined with specific stabilizers, formulation lifespan extends to over 24 months without significant viscosity changes or sedimentation. Environmental test data confirms minimal VOC emission levels below 15g/L, complying with EU REACH Annex XVII restrictions. For manufacturers, these characteristics translate to 15-20% reduction in production waste and enable compliance with ASTM D-2022 and ISO 4630 quality standards across multiple industries.

Manufacturer Comparison Analysis

Leading producers provide different grades optimized for specific applications. The following table compares key parameters:

Third-party validation shows Dystar maintains ±0.5% color deviation between batches compared to industry average of ±2.1%. BASF's premium grade commands 8-10% higher pricing but offers extended thermal stability crucial for aerospace applications.

Custom Formulation Solutions

Specialized modifications enhance performance parameters for unique operational environments. Viscosity can be adjusted between 50-500 cP through polymer additives without affecting chroma intensity. For low-temperature applications (-40°C operational range), crystallization inhibitors maintain fluidity and dispersion stability. Recent polymer functionalization techniques enable custom molecular weights (MW 300-10,000 Da) altering diffusion coefficients in polymer systems. Select manufacturers provide Solvent Red 23 with surface-functionalized nanoparticles for enhanced UV resistance, achieving 30% longer outdoor service life. Phase-change modification creates temperature-sensitive versions transitioning between red and violet hues within 5°C of specified thresholds.

Application Performance Case Studies

In aviation fuel marking systems, Solvent Red 23 formulations demonstrated no measurable impact on fuel combustion parameters while maintaining identification clarity for 28 months in wing tanks. Plastics manufacturers reported 30% reduction in masterbatch production costs when replacing pigment alternatives while meeting EN 12877-3 colorfastness requirements. A petroleum company utilizing modified Solvent Red 23 in pipeline markers reduced leak investigation time by 65% due to enhanced visibility under low-light conditions.

Cresol Red Indicator pH Range Characteristics

This distinct chemical compound serves dual roles as both pH indicator and biological stain with distinctive 430nm to 573nm spectral transitions. Cresol red indicator pH range spans critical transition between pH 7.2 (yellow) and pH 8.8 (red-purple), making it invaluable for physiological and biochemical research. Recent modifications improve accuracy within ±0.05 pH units across multiple buffer systems while temperature compensation algorithms maintain precision between 15-40°C. Unlike Solvent Red 23 and 24, cresol red demonstrates water solubility exceeding 35g/L with negligible organic solvent interaction.

Future Innovations in Solvent Red 23 Applications

Ongoing research focuses on enhancing Solvent Red 23's compatibility with biodegradable solvents without altering hue stability. Nanoscale encapsulation methods under development could enable sustained-release applications while protecting the dye from photodegradation. Recent copolymer trials with Solvent Red 23 monomers show promise for electrochromic displays with 17% greater color saturation than existing technologies. Future market projections estimate 4.8% CAGR through 2028, primarily driven by advanced polymers and fuel identification requirements.

(solvent red 23)

FAQS on solvent red 23

Q: What is Solvent Red 23 commonly used for?

A: Solvent Red 23 is a synthetic azo dye primarily used in non-aqueous applications, such as coloring fuels, oils, waxes, and plastics. It is valued for its bright red hue and stability in hydrophobic environments.

Q: How does Solvent Red 23 differ from Solvent Red 24?

A: While both are solvent dyes, Solvent Red 23 has a slightly different molecular structure and solubility profile compared to Solvent Red 24. These differences affect their suitability for specific industrial applications.

Q: What is the pH range for Cresol Red indicator?

A: Cresol Red functions as a pH indicator with a transition range of 7.2 (yellow) to 8.8 (red). It is commonly used in laboratories to monitor pH changes in biochemical and microbiological media.

Q: Can Solvent Red 23 and Cresol Red be used interchangeably?

A: No, Solvent Red 23 is a non-aqueous dye for industrial use, while Cresol Red is a pH-sensitive aqueous indicator. Their distinct chemical properties make them unsuitable substitutes.

Q: Is Solvent Red 23 safe for use in consumer products?

A: Solvent Red 23 is generally considered safe for industrial applications but is not approved for direct use in food, cosmetics, or pharmaceuticals due to potential toxicity concerns.