Phthalic Anhydride CAS 85-44-9
CAS Number:85-44-9
Molecular formula:C8H4O3
Molecular weight:148.12
Physical state:White needle-like crystals
PACKING:25KG/BAG
Xiamen Ditai Chemicals Co., Ltd. is one of the most reliable manufacturers and suppliers of phthalic anhydride cas 85-44-9 in China. Welcome to buy high quality chemical products at competitive price from our factory.
Products Description
Phthalic Anhydride CAS 85-44-9 is an industrial-grade chemical supplied as a white crystalline solid, commonly used as a raw material in the production of plasticizers, unsaturated polyester resins, coatings, dyes, and other chemical intermediates. Its stable chemical properties ensure consistent performance in large-scale industrial processes. The product is manufactured under controlled conditions to meet industrial specifications and is packaged for bulk export.
Products Description
| Item | Specification |
|---|---|
|
Molten Chroma(Chroma no. )≤ |
100 |
|
thermostable Chroma(Chroma no. )≤ |
- |
|
Chroma of vitriol(Chroma no. )≤ |
150 |
|
crystallization point°C≥ |
130 |
|
Purity(mass fraction)%≥ |
99 |
|
Free acid(mass fraction)≤ % |
0.5 |
Phthalic Anhydride CAS 85-44-9 has a melting point of approximately 131 °C, which reflects its stable crystalline structure. This property is important for handling, storage, and industrial processing, as it ensures predictable behavior during heating and reaction in applications such as plasticizer production, polyester resin synthesis, and coating formulations. Maintaining consistent melting characteristics also supports reliable dosing and formulation in large-scale manufacturing.
Why Choose Our Phthalic Anhydride
Phthalic Anhydride CAS 85-44-9 is produced under strict quality control to ensure consistent purity and stable chemical properties. We offer reliable bulk supply with standardized packaging suitable for international shipment. Each batch is tested to meet industrial specifications and accompanied by COA and SDS documentation, supporting accurate dosing and safe handling in applications such as plasticizers, polyester resins, coatings, and chemical intermediates. Our production and logistics processes are designed to provide consistent performance and dependable delivery for long-term industrial use.
Plasticizer Production
Phthalic Anhydride is a primary raw material for the manufacture of phthalate plasticizers used in PVC and other polymer systems. Its consistent purity supports efficient esterification reactions, helping manufacturers achieve stable plasticizing performance and reliable product quality.
FAQ for ZnCl2 Catalyst
Q: What are the main impurities in the product?
A: The product maintains low levels of impurities, including iron (Fe ≤0.0005%), sulfate (SO₄²⁻ ≤0.001%), and acid-insoluble matter ≤0.02%, ensuring consistent performance in sensitive industrial processes.
Q: What is the moisture content of the ZnCl2 Catalyst?
A: The moisture content is controlled at ≤0.3%, which helps maintain stability and ensures reliable dissolution in chemical or metallurgical applications.
Q: What forms of packaging are available?
A: The ZnCl2 Catalyst is supplied in 25 kg bags, suitable for bulk orders and optimized for international shipping and handling.
Q: Is this product classified as a hazardous material for transport?
A: Yes, it is classified as UN 2331, Class 8, and can be safely shipped internationally following hazardous material regulations.
Q: Is this product suitable as a catalyst for organic chemical synthesis?
A: Absolutely. Its high purity and low iron content make it ideal as a Lewis acid catalyst for various organic synthesis reactions.
Hot Tags: phthalic anhydride cas 85-44-9, China phthalic anhydride cas 85-44-9 manufacturers, suppliers, factory
You Might Also Like
Send Inquiry