Description

Norophthalamic Acid CAS NO 16305-88-7 is a specialized organic compound belonging to the phthalic acid derivative family. This high-purity intermediate is critical for the synthesis of advanced materials and fine chemicals, offering reliable performance and consistent quality for demanding industrial processes. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors seeking a precise and stable building block for their R&D and production needs.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a monomer or additive to impart specific properties like thermal stability or flexibility to specialty polymers and epoxy resins.
• Dye & Pigment Manufacturing: Acts as a precursor in the synthesis of high-performance organic dyes and pigments.
• Liquid Crystal & OLED Materials: Employed in the research and development of electronic display components and organic light-emitting diodes.
• Chemical Research & Development: A valuable reagent for academic and industrial laboratories exploring new synthetic pathways and novel compounds.

Basic Information

Product Name	Norophthalamic Acid
CAS No.	16305-88-7
Molecular Formula	C8H5NO4
Molecular Weight	179.13 g/mol
Synonyms	3-Nitrophthalic Acid; 3-Nitro-1,2-benzenedicarboxylic Acid; 3-Nitrophthalic Acid; 1,2-Benzenedicarboxylic acid, 3-nitro-; 3-Nitrobenzene-1,2-dicarboxylic acid; Norophthalamic Acid; 3-NPA
EINECS	Contact for details

Quality Control

Our Norophthalamic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

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). Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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