Industrial Phthalic Anhydride
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 industrial phthalic anhydride in China. Welcome to buy high quality chemical products at competitive price from our factory.
Products Description
Industrial Phthalic anhydride is an important organic chemical raw material and an important intermediate for preparing phthalate plasticizers, coatings, saccharin, dyes and organic compounds.
Products Description
| Item | Specification |
|---|---|
|
Molten Chroma≤ |
100 |
|
thermostable Chroma≤ |
- |
|
Chroma of vitriol≤ |
150 |
|
crystallization point°C≥ |
130 |
|
Purity%≥ |
99 |
|
Free acid≤ % |
0.5 |
Dyes and Chemical Intermediates
Phthalic anhydride serves as an important intermediate in dye manufacturing and other specialty chemical processes, where controlled purity and batch-to-batch consistency are essential.
Storage and transportation
Store in a cool, dry and well-ventilated warehouse. Stay away from fire and heat sources. The package must be sealed and protected from moisture. It should be stored separately from oxidants, reductants, acids and alkalis, and should not be mixed. Equipped with corresponding varieties and quantities of fire fighting equipment. The storage area should be equipped with suitable materials to contain the leakage.
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.
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