Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Product Overview
Phthalide (CAS 87-41-2) is a typical aromatic lactone compound. It appears as white crystalline solid with faint characteristic odor. With stable chemical structure and moderate reactivity, it is widely used in pharmaceutical intermediates, pesticide synthesis, dyestuff industry and organic synthesis research. Produced via professional synthesis, purification and recrystallization processes, the product features high purity, low impurities and consistent batch quality. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: ≥99.0% (GC), meets industrial grade and research grade standards.
- Good Chemical Stability: Maintains stable properties under normal storage and reaction conditions.
- Versatile Reactivity: Lactone structure enables ring-opening, substitution and condensation reactions.
- Strict Quality Control: Each batch is fully tested; standard COA and MSDS are available upon request.
Physical & Chemical Properties
Physical Properties
- Appearance: White crystalline solid
- Odor: Faint characteristic odor
- Molecular Formula: C8H6O2
- Molecular Weight: 134.13
- Melting Point: 71 – 73 °C
- Boiling Point: 290 °C
- Density: 1.19 g/cm3 (20 °C)
- Flash Point: 133 °C
- Solubility: Slightly soluble in water; soluble in ethanol, ether, benzene and chloroform
- Hygroscopicity: Non-hygroscopic
- Light Sensitivity: Slightly sensitive to light
Chemical Properties
- Chemical Stability: Stable at room temperature; decomposes under strong heat and strong alkaline conditions.
- Chemical Reactivity: Undergoes hydrolysis under alkaline environment, and participates in electrophilic substitution reactions on benzene ring.
- Acid-Base Character: Neutral in conventional aqueous environment.
- Incompatibility: Keep away from strong alkalis, strong oxidants and high temperature.
Applications
- Pharmaceutical Industry: Important intermediate for synthesizing cardiovascular drugs, sedatives and other pharmaceutical products.
- Pesticide Industry: Key raw material for manufacturing fungicides and plant growth regulators.
- Dyestuff Industry: Intermediate for preparing vat dyes and fluorescent dyes.
- Organic Synthesis: Fundamental building block for various phthalide derivatives and heterocyclic compounds.
- Laboratory Research: Common reagent for organic chemistry and material research experiments.
Usage Restriction: For industrial synthesis and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, dark and well-ventilated warehouse. Keep containers tightly sealed. Store separately from strong oxidants and strong alkalis. Recommended storage temperature: 10 – 25 °C. Reseal containers immediately after opening.
Transportation Requirements
This product is classified as non-hazardous goods. Adopt light-proof and sealed packaging. Avoid violent collision, extrusion and rain soaking during transit. Do not transport together with food, feed and toxic substances.
Operation Notes
Wear chemical-resistant gloves and safety goggles. Operate in a well-ventilated fume hood. Avoid inhalation of dust and direct contact with skin and eyes. Rinse thoroughly with plenty of clean water in case of contact. Do not eat, drink or smoke in the working area.
Regulatory Information
EINECS Number: 201-740-3
HS Code: 2932209090
Complies with international organic chemical standards. Export products follow IATA and IMDG provisions. All transactions are limited to qualified chemical factories, pharmaceutical enterprises, pesticide manufacturers and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Phthalide |
| CAS NO. | 87-41-2 |
| IUPAC Name | Isobenzofuran-1(3H)-one |
| Synonyms | 2-Benzofuranone; Phthalid |
| Molecular Formula | C8H6O2 |
| Molecular Weight | 134.13 |
| EINECS Number | 201-740-3 |
| UN Number | Non-hazardous goods |
| Hazard Class | Irritant |
| Appearance | White crystalline solid |
| Purity | ≥99.0% (GC) |
| Water Content | ≤0.3% |
| Melting Point | 71 – 73 °C |
| Boiling Point | 290 °C |
| Density | 1.19 g/cm3 (20 °C) |
| Flash Point | 133 °C |
| Solubility | Slightly soluble in water; soluble in ethanol, ether, benzene |
| HS Code | 2932209090 |
| Storage Temperature | 10 – 25 °C, sealed, dry & light-proof environment |
| Packing Specification | 25g/glass bottle, 1kg/plastic bottle, 25kg/fiber drum |
| Grade Standard | Industrial Grade / Research Grade |
| Application Scope | Pharmaceutical intermediate, pesticide intermediate, dye raw material, organic synthesis reagent |
| Validity Period | 24 Months under specified storage conditions |
