CAS NO. 5434-21-9 Dyestuff Pigment Intermediates 4-Aminophthalic Acid 98% MIN

Update time：2022-02-05 21:46:10

Price:Negotiable

Min Order:1 Metric Ton / Metric Tons

Basic Info

Brand Name	Changzhou Welton Chemical Co., Ltd	Place of Origin	China

Delivery Time:As per customer’s requirement
Certification:ISO9001, ISO14001

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:

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.