Description

3,5-Diamino-2,4,6-Trimethylbenzenesulfonic Acid is a specialized aromatic sulfonic acid derivative featuring multiple amino and methyl substituents. This unique structure makes it a valuable high-performance intermediate for the synthesis of advanced dyes, pigments, and functional polymers. It is primarily sought by manufacturers in the fine chemical, agrochemical, and specialty material sectors for creating products with enhanced color fastness, solubility, or chelating properties.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing high-value azo dyes, acid dyes, and reactive dyes, particularly those requiring good water solubility and lightfastness.
• Pharmaceutical Synthesis: Serves as a precursor or intermediate in the development of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Formulations: Used in the production of specialized herbicides, pesticides, and plant growth regulators where its sulfonic acid group aids in formulation stability.
• Polymer and Resin Modifier: Incorporated to introduce sulfonate groups into polymers, enhancing their hydrophilicity, dyeability, or ion-exchange capabilities.
• Chelating Agent Precursor: Its diamino structure allows for the creation of complexing agents used in water treatment or metal extraction processes.
• Chemical Research & Development: Employed in organic synthesis and material science research for developing novel compounds with specific functional properties.

Basic Information

Product Name	3,5-Diamino-2,4,6-Trimethylbenzenesulfonic Acid
CAS No.	32432-55-6
Molecular Formula	C9H14N2O3S
Molecular Weight	230.28 g/mol
Synonyms	2,4,6-Trimethyl-3,5-diaminobenzenesulfonic Acid; 3,5-Diaminomesitylenesulfonic Acid; Mesitylene-3,5-diamine-2-sulfonic Acid; 3,5-Diamino-2,4,6-trimethylbenzenesulphonic Acid; Benzenesulfonic acid, 3,5-diamino-2,4,6-trimethyl-; DAMS Acid
EINECS	251-045-8

Quality Control

Our production of 3,5-Diamino-2,4,6-Trimethylbenzenesulfonic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request, providing full traceability and compliance assurance for your quality systems.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Due to the presence of amino groups, the material may be hygroscopic; prolonged exposure to high humidity should be avoided.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.