Grayish Crystalline Powder Medicine Intermediates 4-Aminophthalic Acid CAS 5434-21-9
Product description
Grayish Crystalline Powder Medicine Intermediates 4-Aminophthalic Acid CAS 5434-21-9
Specifications:
Product name | 4-Aminophthalic acid |
CAS No. | 5434-21-9 |
Appearance | Grayish crystalline powder |
Assay (HPLC) Impurity (as 3-isomer) Total assay(4-APA plus 3-APA) | 4-APA≥90% 3-APA: 0~10% ≥98% |
Melting point | 342-345℃ |
Loss on drying | ≤0.3% |
Ignition Residue | ≤0.5% |
Heavy metals | ≤20ppm |
Iron | ≤50ppm |
Sodium | ≤2000ppm |
Description:
4-Aminophthalic acid, 98%MIN
CAS No.: 5434-21-9
EINECS No.: 226-596-4
Molecular formula: C8H7NO4
Molecular Weight: 181.15
Structural formula:
Synonyms: 4-APA,P-Aminophthalic acid
Appearance: Grayish crystalline powder
Applications:
Usage of 4-Aminophthalic Acid:
Medicine, dyestuff and pharmaceutical intermediates.
Competitive Advantage:
1. We are the largest manufacturer of 4-Aminophthalic acid in China with more than
12 years of production and export history.
2. Based on our years of experience in this field, we take pleasure in bringing you our high quality and
consistency products with very competitive price, prompt delivery, and very quick response service.
4. Our company has the self-support export and import authority and our factory is inspected by
our valuable and honored customers.
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