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

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

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Changzhou Welton Chemical Co., Ltd

Verified Supplier

China

Business type: Manufacturer, Exporter

Telephone : 86-519-85910828

No.8,Jinlong Road, Binjiang Chemical Zone, Changzhou, Jiangsu, China

Product Details:

Place of Origin: China
Brand Name: Changzhou Welton Chemical Co., Ltd
Certification: ISO9001, ISO14001

Payment & Shipping Terms:

Minimum Order Quantity: 25kg
Price: As per required quantity
Packaging Details: 25kgs drum or bag
Delivery Time: As per customer’s requirement
Payment Terms: T/T
Supply Ability: As customers’ requirement
Detailed Product Description

Dye And Pigment Intermediates CAS NO. 5434-21-9 / P-Aminophthalic Acid

 

 

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:

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

 

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.

 

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