Description

Poly(Anilinesulfonic Acid), 5 Wt. % Solution In Water is a water-soluble, conductive polymer solution derived from polyaniline, offering a unique combination of processability and intrinsic electrical properties. This material is valued for its stability in aqueous systems and its ability to impart antistatic or conductive characteristics without the need for harsh solvents. It is primarily utilized in advanced material science, electronics, and specialty coating formulations where a water-based conductive component is essential.

Application

• Formulation of conductive inks and coatings for printed electronics and flexible circuits.
• As an antistatic agent or component in photographic films, packaging materials, and electronic device housings.
• Key material in the development of chemical sensors and biosensors due to its responsive electrical properties.
• Used in corrosion-inhibiting coatings for metals, providing a protective barrier.
• Component in electrochromic devices and displays.
• Research and development of advanced battery and supercapacitor electrodes.
• Modification of surfaces for improved adhesion and surface energy control.

Basic Information

Product Name	Poly(Anilinesulfonic Acid), 5 Wt. % Solution In Water
CAS No.	167860-86-8
Molecular Formula	(C6H7NO3S)n
Molecular Weight	Monomer: 173.19 g/mol (Polymer MW varies)
Synonyms	Polyaniline sulfonic acid; Sulfonated polyaniline (SPAN); Polyaniline, sulfonated; Water-soluble polyaniline; PANI-S; Conductive polymer dopant; Self-doped polyaniline; Poly(aniline-N-propanesulfonic acid)
EINECS	Contact for details

Quality Control

Our Poly(Anilinesulfonic Acid) solution is manufactured under controlled conditions to ensure batch-to-batch consistency. Quality is verified through a series of analytical tests including determination of solid content, pH, conductivity, and spectroscopic identification. A Certificate of Analysis (COA) detailing these parameters is provided with each shipment to guarantee the product meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at room temperature (15-25°C). Do not freeze. Under these conditions, the product is stable for at least 12 months from the date of receipt.

Specification

Item	Specification
Appearance	Dark green to blue aqueous solution
Solid Content	4.5 - 5.5 % (w/w)
pH (1% solution)	2.0 - 4.0
Conductivity	> 1 mS/cm
Identification (IR)	Conforms to structure
Viscosity	Contact for details

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