Description

Embonic Acid CAS NO 130-35-8 is a versatile organic acid, chemically known as 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid). This compound serves as a key intermediate and complexing agent in several high-value industrial and pharmaceutical processes. It is primarily sought after by manufacturers in the pharmaceutical, chemical synthesis, and specialty materials sectors for its unique structural properties.

Application

• Pharmaceutical Intermediate: Key starting material or building block in the synthesis of active pharmaceutical ingredients (APIs).
• Complexing Agent: Used in analytical chemistry and metal ion separation processes due to its chelating properties.
• Chemical Synthesis: Serves as a precursor or reagent in organic synthesis for creating more complex molecular structures.
• Research & Development: Utilized in laboratory settings for method development and biochemical research.
• Specialty Chemicals: Potential component in the formulation of performance chemicals and functional additives.

Basic Information

Product Name	Embonic Acid
CAS No.	130-35-8
Molecular Formula	C23H16O6
Molecular Weight	388.37 g/mol
Synonyms	4,4'-Methylenebis(3-hydroxy-2-naphthoic acid); Pamoic Acid; 4,4'-Methylenebis(3-hydroxy-2-naphthalenecarboxylic acid); Acidum Pamoicum; 2-Naphthalenecarboxylic acid, 4,4'-methylenebis[3-hydroxy-; PAMOA; CL 15510:1
EINECS	204-979-7

Quality Control

Our Embonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and industrial applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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