Description

5-Amino-2-Dodecylbenzenesulphonic Acid is a specialized anionic surfactant and intermediate characterized by its unique combination of a hydrophobic dodecyl chain and a hydrophilic sulphonic acid group with an aromatic amine functionality. This molecular structure makes it a valuable precursor for synthesizing high-performance dyes, pigments, and specialty surfactants where specific solubility and surface-active properties are required. It is primarily utilized by manufacturers in the chemical synthesis, textile, and advanced materials sectors seeking to develop products with tailored interfacial characteristics.

Application

• Dye and Pigment Intermediate: A key building block for the synthesis of azo dyes, acid dyes, and other colored compounds, providing solubility and chromophore attachment sites.
• Specialty Surfactant Synthesis: Used to manufacture novel anionic surfactants for demanding applications in enhanced oil recovery (EOR), textile processing, and industrial cleaning.
• Corrosion Inhibitor Formulation: Serves as a component in corrosion inhibitor packages for industrial water treatment and metalworking fluids, leveraging its surface-active properties.
• Lubricant Additive: Employed as a precursor for additives that improve the dispersancy and anti-wear properties of lubricating oils and greases.
• Research & Development: A valuable reagent in organic and polymer chemistry research for creating new monomers, polymers, and functional materials.
• Textile Auxiliary Chemicals: Can be used in the production of leveling agents, wetting agents, and other processing aids for the textile industry.

Basic Information

Product Name	5-Amino-2-Dodecylbenzenesulphonic Acid
CAS No.	80822-87-3
Molecular Formula	C18H31NO3S
Molecular Weight	341.51 g/mol
Synonyms	5-Amino-2-dodecylbenzenesulfonic acid; 2-Dodecyl-5-aminobenzenesulfonic acid; Benzenesulfonic acid, 5-amino-2-dodecyl-; Dodecyl-aminobenzenesulfonic acid; Lauryl aminobenzenesulfonic acid; 5-Amino-dodecylphenylsulfonic acid; 80822-87-3; 5-Amino-2-n-dodecylbenzenesulphonic acid
EINECS	Contact for details

Quality Control

Our 5-Amino-2-Dodecylbenzenesulphonic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and meets high-purity standards suitable for industrial synthesis. Key parameters including assay, identity, and impurity profiles are verified. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light tan powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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