Product Overview
2,2-Dithiosalicylic Acid, also known as 2,2'-Dithiodibenzoic Acid, is an organosulfur compound widely used in various industries. Its chemical name is 2-[(2-carboxyphenyl)disulfanyl]benzoic acid, with a molecular formula of
C14H10O4S2 and a molecular weight of
306.36 g/mol. The CAS number for this compound is
119-80-2, and it is recognized by its EINECS number 204-352-8. As a trusted 2,2-Dithiosalicylic Acid manufacturer in China, we ensure high-quality production for global markets.
Physical and Chemical Properties
This product appears as a
yellow to brown powder with a faint characteristic odor. It has a density of approximately
1.4555 g/cm³ (rough estimate) and a melting point ranging from
287-290°C. The boiling point is estimated at
416.97°C, with a flash point of
252°C. It is
insoluble in water but shows solubility in certain organic solvents. The vapor pressure is negligible (
0 Pa at 25°C), and the refractive index is approximately
1.4950. These properties make it a stable compound under normal conditions, ideal for various applications.
Product Applications
2,2-Dithiosalicylic Acid (CAS 119-80-2) is a versatile intermediate used in pharmaceuticals, dyes, fungicides, and photoinitiators. It plays a critical role in synthesizing anti-HIV-1 agents and polyamides with disulfide bonds. Additionally, it enhances mold resistance in paints and adhesives. Its chelating properties make it valuable in metal-catalyzed reactions and biochemical processes. As a leading 2,2-Dithiosalicylic Acid supplier in China, we cater to industries requiring high-purity chemical intermediates.
Quality Standards
Our 2,2-Dithiosalicylic Acid meets stringent quality standards, with a minimum purity of
96% (by HPLC). Impurities are controlled to ensure consistency, with a maximum moisture content of
0.5% and residue on ignition below
0.1%. The product complies with industrial, pharmaceutical, and technical-grade specifications, making it suitable for diverse applications. Each batch undergoes rigorous testing to guarantee reliability for customers sourcing from a premier 2,2-Dithiosalicylic Acid producer in China.
Packaging and Transportation
The product is available in
25 kg drums, with options for sub-packaging such as
1 kg, 5 kg, or 10 kg bags based on customer requirements. It is packed in sealed plastic bags, locked in carton barrels, or sealed in woven bags, with aluminum foil bags available for added protection. While not classified as a highly dangerous chemical, it is combustible and may release irritating fumes in a fire. It falls under
UN 3077 (Environmentally Hazardous Substance, Solid, N.O.S.) for transportation, requiring storage in a cool, dry, well-ventilated area away from strong oxidants.
Our Other Services
At NINGBO INNO PHARMCHEM CO.,LTD., our core business focuses on the R&D and production of fine chemicals and pharmaceutical intermediates. We specialize in continuous flow process development and equipment manufacturing, supported by our in-house pilot workshop and external large-scale production platforms. Our expertise spans reactions such as high temperature, high pressure, nitration, oxidation, and continuous distillation. We offer a wide range of products, including bromide, boric acid, thiophene, indole, imidazole, thiazole, piperazine, and pyrazine compounds, with production capacities from tons to hundreds of tons. Our focus is on products with annual volumes between
100 kg to 100 MT and up to
5 synthetic steps. If you have additional needs, please feel free to contact us for tailored solutions.