Dyes And Pigments Intermediates CAS NO. 5434-21-9 / P-Aminophthalic Acid

Update time：2022-02-05 21:45:04

Price:Negotiable

Min Order:1

Basic Info

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

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

Used as dyestuff Intermediates

Specifications:

Product name	P-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:

P-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,4-Aminophthalic acid

Appearance: Grayish crystalline powder

Applications:

Medicine, dyestuff and pharmaceutical intermediates.

Competitive Advantage:

1. We are the largest manufacturer of P-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.

3. Our company has the self-support export and import authority and our factory is inspected

by our valuable and honored customers.