2-Aminonaphthalene-1-sulfonic Acid (Tobias Acid) CAS 81-16-3: Key Azo Dye Intermediate
Discover the critical role of Tobias Acid (2-Aminonaphthalene-1-sulfonic acid, CAS 81-16-3) in the synthesis of high-performance azo dyes and pigments. As a premier manufacturer and supplier, we offer consistent quality and bulk availability for your industrial needs.
Get a Quote & SampleUnlocking Vibrant Colors: The Value of Tobias Acid

Tobias Acid (2-Aminonaphthalene-1-sulfonic Acid)
As a trusted supplier in China, we provide high-purity Tobias Acid (CAS 81-16-3), essential for synthesizing a wide array of azo dyes and pigments. Its reliability as a dye intermediate ensures vibrant and stable colorations for textiles, paper, and other demanding applications. We focus on delivering consistent quality and competitive pricing.
- High Purity Intermediate: Source with confidence knowing our Tobias Acid meets rigorous purity standards (≥99.0%), crucial for optimal dye synthesis.
- Versatile Azo Dye Synthesis: Explore how Tobias Acid is a foundational component for manufacturing J acid, gamma acid, and specialized dyes like Reactive Red K-1613.
- Reliable Manufacturer & Supplier: Benefit from a stable supply chain and dedicated support from our experienced manufacturing team.
- Cost-Effective Sourcing: Secure competitive pricing for bulk purchases of this vital chemical intermediate.
Advantages of Sourcing Tobias Acid from Us
Consistent Quality Assurance
Our commitment to quality means every batch of Tobias Acid (CAS 81-16-3) undergoes strict quality control, ensuring it meets the high standards required for dye and pigment manufacturers.
Expertise in Dye Intermediates
Leverage our deep understanding of chemical synthesis and dye intermediates. We can help you find the right Tobias Acid for your specific azo dye or pigment formulation needs.
Global Supply Chain Integration
As a leading supplier, we manage efficient logistics to deliver Tobias Acid (CAS 81-16-3) to your facility, ensuring timely production schedules and cost-effective procurement.
Key Applications of Tobias Acid
Azo Dye Manufacturing
Tobias Acid is indispensable in the creation of vibrant azo dyes, forming the basis for a spectrum of colors used across the textile and paper industries. Inquire about bulk purchase options.
Pigment Synthesis
Essential for producing high-performance pigments, including Lithol Reds, our Tobias Acid contributes to durable and brilliant colorants used in inks, coatings, and plastics. We are your reliable manufacturer.
Textile Dyeing Intermediate
As a key intermediate, Tobias Acid is vital for producing specific reactive dyes like Reactive Red K-1613, critical for achieving consistent shades and fastness on fabrics. Buy now from our China-based factory.
Cosmetic Colorants
The compound serves as a precursor in the production of D&C Red No. 34 and its lakes, utilized for coloring applications in the cosmetic industry, ensuring visually appealing products.