Description

5-Bromophthalide is a versatile brominated heterocyclic building block of significant importance in advanced organic synthesis. Its unique structure makes it a key intermediate for constructing complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is primarily sought by research institutions and industrial manufacturers engaged in the development of active pharmaceutical ingredients (APIs), liquid crystal materials, and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal Materials: Serves as a building block for creating advanced liquid crystal compounds used in display technologies.
• Organic Light-Emitting Diodes (OLEDs): Employed in the development of electron-transport or host materials for OLED devices.
• Dye and Pigment Industry: Acts as an intermediate for synthesizing specialized dyes and functional pigments.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and material science.

Basic Information

Product Name	5-Bromophthalide
CAS No.	64169-34-2
Molecular Formula	C8H5BrO2
Molecular Weight	213.03 g/mol
Synonyms	5-Bromo-1(3H)-isobenzofuranone; 5-Bromo-1,3-dihydroisobenzofuran-1-one; 5-Bromophthalide; 5-Bromoisobenzofuran-1(3H)-one; 5-Bromo-3H-isobenzofuran-1-one; 5-Bromophthalan-1-one; 5-Bromo-2-benzofuran-1(3H)-one
EINECS	Contact for details

Quality Control

Our 5-Bromophthalide is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity, potency, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment 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 area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

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