Description

4-Bromo-L-Naphthol is a halogenated naphthol derivative, a versatile organic intermediate prized for its reactive bromine and phenolic hydroxyl groups. This compound is critical for synthesizing complex molecules, particularly in the development of advanced dyes, pigments, and functional materials. It serves as a key building block for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific bromine-substituted aromatic structures into their products.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: A key intermediate for producing brominated azo dyes, pigments, and colorants.
• Organic Light-Emitting Diodes (OLEDs): Employed in the research and development of organic electronic materials and charge transport layers.
• Liquid Crystal Materials: Used as a building block for synthesizing components of liquid crystal displays (LCDs).
• Polymer Modification: Acts as a functional monomer or additive to impart specific properties to polymeric materials.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organic reactions and material science.

Basic Information

Product Name	4-Bromo-L-Naphthol
CAS No.	571-57-3
Molecular Formula	C10H7BrO
Molecular Weight	223.07 g/mol
Synonyms	4-Bromo-1-naphthol; 1-Naphthol, 4-bromo-; 4-Bromonaphthalen-1-ol; 4-Bromo-α-naphthol; NSC 403119; 4-Br-1-Naphthol; 4-Bromo-1-hydroxynaphthalene
EINECS	209-337-6

Quality Control

Our 4-Bromo-L-Naphthol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality for your critical processes.

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 incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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