Product Introduction：1,4-Acid is a high-purity fine chemical intermediate appearing as a white to pale yellow crystalline powder. Featuring excellent water solubility and strong chemical reactivity, it serves as a critical raw material for synthesizing azo dyes, metal ion complexing agents, and DNA biological probes.

CAS：130-13-2

Molecular Formula：C_10​H₈​NNaO₃​S

Molecular Weight：245.012253

Structural Formula:

Product Applications：

Dye intermediates: Used in the synthesis of azo dyes (such as Direct Red, Acid Orange, etc.), endowing fabrics with bright and vivid colors.

Biological staining: Can serve as a raw material for certain biological staining reagents.

Chemical analysis: Applied as a color developing agent or indicator component.

Environmental monitoring and safety: Widely used for the complexation of various metal ions (Fe, Zn, Cd, Ni, etc.), and applied in toxic chemical leakage monitoring equipment and water quality detection.

Life science: Plays a key role in DNA structural probes, molecular optical switches and clinical medical research.

New material field: Suitable for the synthesis of optical devices, information storage elements, as well as thermal/optical switching materials.

Supply Ability

3500 Metric Tons per Year

Packaging & Delivery

HENAN SUITONG CHEMICAL Introduction

HENAN SUITONG CHEMICAL Co.,Ltd. was founded in June 2016, with a registered capital of 35 million yuan. It is located in Songxian Advanced Manufacturing Agglomeration Area, focusing on the R&D, production and sales of fine chemical products, with core businesses covering dye intermediates and organic acid chemicals. After years of technological research and equipment optimization, the company has developed into a major manufacturer with an annual output of 5,400 tons for 1,4-acid, Niven’s Acid, Rhodamine and other products. It is one of the rare professional fine chemical enterprises in China, holding 56% of the domestic market share. Its exported products are sold far to India, Pakistan, Vietnam and other countries, with export proportion exceeding 61%.

Factories and Laboratory of HENAN SUITONG CHEMICAL

The company adheres to independent technological innovation, focuses on talent recruitment and investment in process R&D, accelerates automatic equipment upgrading and system optimization to boost production efficiency through technology. It regards energy saving and emission reduction as the core competitiveness of cost control, strengthens research on key technologies, and improves the independent controllability of core techniques to lead corporate development with original technological innovations.

The company strictly implements safety and environmental management standards, fully abides by the "Three Simultaneities" principle for safety construction, and adheres to the environmental philosophy of lucid waters and lush mountains are invaluable assets. It sticks to the development strategy of no waste treatment, no production startup, ensuring long-term stable and sustainable operation.

Committed to undertaking corporate responsibilities and pursuing innovation, Henan Suitong Chemical carries out all-round external cooperation in technology and talent, strives for win-win development with partners, and devotes itself to building a first-class competitive modern fine chemical enterprise.