Description

Armstrong Acid CAS NO 79013-23-3 is a specialized organic acid compound used as a key intermediate in advanced chemical synthesis. Its unique structure makes it valuable for constructing complex molecules where precise acidity and reactivity are required. This product is essential for research and development laboratories, as well as production facilities in the pharmaceutical and fine chemical industries, seeking reliable and high-purity building blocks.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Fine Chemical Synthesis: Used in the production of complex organic compounds, including specialty dyes, pigments, and performance chemicals.
• Agrochemical Research: Employed as a precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Acts as a monomer or modifying agent in the creation of advanced polymers with specific functional properties.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploratory chemistry in both university and corporate research settings.

Basic Information

Product Name	Armstrong Acid
CAS No.	79013-23-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Armstrong's Acid; 1,5-Naphthalenedisulfonic Acid; 1,5-NDSA; Naphthalene-1,5-disulfonic Acid; 1,5-Dihydroxynaphthalene-3,7-disulfonic Acid (related); Peri Acid (related, check isomer); 1,5-NSA; 1,5-Naphthalene Disulfonate
EINECS	Contact for details

Quality Control

Every batch of Armstrong Acid is produced and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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 place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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