Description

4-[(3-Hydroxy-1-Oxo-2-Butenyl)Amino]-1-Naphthalenesulfonic Acid is a specialized naphthalene-based sulfonic acid derivative, serving as a key intermediate in the synthesis of advanced organic compounds. Its molecular structure, featuring both amino and sulfonic acid functional groups, makes it a versatile building block for creating dyes, pigments, and biologically active molecules. This high-purity intermediate is essential for manufacturers in the fine chemical, pharmaceutical, and specialty dye industries seeking reliable synthesis pathways.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Dye and Pigment Manufacturing: Used as a key intermediate for producing azo dyes, acid dyes, and other colorants with specific light-fastness and solubility properties.
• Fine Chemical Synthesis: Serves as a versatile building block in organic synthesis for creating complex molecules with sulfonic acid and amino functionalities.
• Research & Development: Employed in academic and industrial R&D labs for developing new chemical entities and studying structure-activity relationships.
• Chemical Analysis: Can be utilized as a reagent or standard in analytical chemistry applications.
• Specialty Surfactant Precursor: Acts as an intermediate for synthesizing specialized surfactants and dispersants.

Basic Information

Product Name	4-[(3-Hydroxy-1-Oxo-2-Butenyl)Amino]-1-Naphthalenesulfonic Acid
CAS No.	68298-91-9
Molecular Formula	C₁₄H₁₃NO₅S
Molecular Weight	307.32 g/mol
Synonyms	4-[(3-Hydroxy-1-oxo-2-buten-1-yl)amino]-1-naphthalenesulfonic acid; 1-Naphthalenesulfonic acid, 4-[(3-hydroxy-1-oxo-2-butenyl)amino]-; 4-(3-Hydroxy-1-oxo-2-butenylamino)naphthalene-1-sulfonic acid; 4-(3-Hydroxy-1-oxobut-2-enylamino)naphthalene-1-sulfonic acid; 4-(3-Hydroxy-1-oxo-2-butenylamino)-1-naphthalenesulfonic acid; 4-(3-Hydroxy-1-oxo-2-butenylamino)naphthalene-1-sulfonic acid; 4-(3-Hydroxy-1-oxobut-2-enylamino)-1-naphthalenesulfonic acid; 4-(3-Hydroxy-1-oxo-2-butenylamino)-1-naphthalenesulphonic acid
EINECS	Contact for details

Quality Control

Our production of 4-[(3-Hydroxy-1-Oxo-2-Butenyl)Amino]-1-Naphthalenesulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%

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