Phthalic anhydride PA CAS.No.85-44-9

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$1,000.00 - $1,100.00 / Metric Tons | 1 Metric Ton/Metric Tons (Min. Order)
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Chemical Auxiliary Agent
CAS No.:
Place of Origin:
Hubei, China (Mainland)
Chemical intermediate
Textile Auxiliary Agents, chemical synthetic
Brand Name:
Model Number:
Top grade
Product name:
Phthalic anhydride
Molecular Weight:
Supply Ability
Supply Ability:
1000 Metric Ton/Metric Tons per Month
Packaging & Delivery
Packaging Details
25kg/bag, 1mt /bag
China Main Port
Product Description

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1.Product Name:   Phthalic anhydride PA

2.CAS NO:  Phthalic anhydride PA CAS.No.

3.Application:  Phthalic anhydride is widely used in industry for the production of certain dyes. A well-known application of this reactivity is the preparation of the anthroquinone dye quinizarin by reaction with para-chlorophenol followed by hydrolysis of the chloride.

4.Sample: With Free



Top gradeFirst gradeQualified product
Appearancewhite scaly or crystalline powderwhite scaly or crystalline powder with slight colors
molten Chroma(Chroma no. )≤2050100
thermostable Chroma(Chroma no. )≤50150-
Chroma of vitriol(Chroma no. )≤60100150
crystallization point°C≥130.5130.3130.0
Purity(mass fraction)%≥99.8099.5099.00
Free acid(mass fraction)≤ %0.200.300.50
Ash(mass fraction)%≤0.05--



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