Description

Phthalide CAS NO 87-41-2 is a versatile organic compound belonging to the class of lactones, specifically a benzofuranone. It serves as a crucial intermediate and building block in the synthesis of a wide range of fine chemicals and active pharmaceutical ingredients (APIs). This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking a reliable, high-purity synthetic precursor.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of various drugs, including antihypertensive agents and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of certain fungicides and plant growth regulators.
• Fragrance and Flavor Industry: Acts as a precursor for synthetic musk fragrances and other aroma chemicals.
• Organic Synthesis Building Block: Employed in research and development for constructing complex heterocyclic compounds and natural product analogs.
• Dye and Pigment Manufacturing: Serves as an intermediate in the synthesis of specific organic dyes and colorants.
• Material Science Research: Investigated for use in polymer chemistry and the development of advanced organic materials.

Basic Information

Product Name	Phthalide
CAS No.	87-41-2
Molecular Formula	C8H6O2
Molecular Weight	134.13 g/mol
Synonyms	1(3H)-Isobenzofuranone; 1-Phthalanone; 2-Benzofuran-1(3H)-one; 3-Hydroxyphthalide; 3-Hydroxy-1(3H)-isobenzofuranone; o-Formylbenzoic acid lactol; Phthalan-1-one; Isobenzofuran-1(3H)-one
EINECS	201-742-8

Quality Control

Our Phthalide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure it meets the required specifications for purity, identity, and consistency. We provide Certificates of Analysis (COA) with every shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality systems are designed to support applications requiring high standards, including pharmaceutical development.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	71°C - 75°C
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.