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4 - Aminobenzoic Acid Active Pharmaceutical Intermediates For Dyes Treat Gastrointestinal Symptoms

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4 - Aminobenzoic Acid Active Pharmaceutical Intermediates For Dyes Treat Gastrointestinal Symptoms

China 4 - Aminobenzoic Acid Active Pharmaceutical Intermediates For Dyes Treat Gastrointestinal Symptoms supplier

Large Image :  4 - Aminobenzoic Acid Active Pharmaceutical Intermediates For Dyes Treat Gastrointestinal Symptoms

Product Details:

Place of Origin: China
Brand Name: PooChun
Certification: ISO9001 SGS GMP
Model Number: 150-13-0

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1~10kg / Al-Pt bag, 10kg / 25kg fiber drum
Delivery Time: 1-3days after payment
Payment Terms: T/T, L/C
Supply Ability: 2000 kg per Month
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Detailed Product Description
Other Name: P - Aminobenzoic Acid ( PABA ) CAS: 150-13-0
Appearance: White Crystalline Powder Standard: USP EP
MF: C7H7NO2 Trade Terms: FOB CNF CIF DAP
Payment Term: Western Union, Paypal, T/T, Moneygram Shipping: DHL TNT FedEx EMS UPS Sea Air
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4 - aminobenzoic acid Active Pharmaceutical Intermediates for Dyes treat gastrointestinal symptoms

 

 

Description

 

4-Aminobenzoic acid ( also known as para - aminobenzoic acid or PABA because the number 4 carbon in the benzene ring is also known as the para position ) is an organic compound with the formula H2NC6H4CO2H. PABA is a white solid, although commercial samples can appear gray. It is slightly soluble in water. It consists of a benzene ring substituted with amino and a carboxyl groups. The compound occurs naturally.

 

Chemical formula
C7H7NO2
Molar mass 137.14 g·mol−1
Appearance White-grey crystals
Density 1.374 g/mL
Melting point 187 to 189 °C (369 to 372 °F; 460 to 462 K)
Boiling point 340 °C (644 °F; 613 K)
Solubility in water
1 g/170 mL (25 °C)
1 g/90 mL (90 °C)

 

 

Application

 

4-Aminobenzoic acid is used as Dyestuff and pharmaceutical intermediates.

4-Aminobenzoic acid is an intermediate in the synthesis of folate by bacteria, plants, and fungi.

4-Aminobenzoic acid is also occasionally used in pill form by sufferers of irritable bowel syndrome to treat its associated gastrointestinal symptoms.

 

The potassium salt is used as a drug against fibrotic skin disorders, such as Peyronie's disease, under the trade name Potaba.

PABA is also occasionally used in pill form by sufferers of irritable bowel syndrome to treat its associated gastrointestinal symptoms, and in nutritional epidemiological studies to assess the completeness of 24 - hour urine collection for the determination of urinary sodium, potassium, or nitrogen levels.

Despite the lack of any recognized syndromes of PABA deficiency in humans, except for a few people who lack the bacteria that generate PABA in their colons, many claims of benefit are made by commercial suppliers of PABA as a nutritional supplement.

Benefit is claimed for fatigue, irritability, depression, weeping eczema ( moist eczema ), scleroderma ( premature hardening of skin ), patchy pigment loss in skin ( vitiligo ), and premature grey hair.

 

 

 

 

Specification

 

Item Specification Result
Characters White or off - white crystalline powder. White crystalline powder
Identification IR should comply with the reference standard specturm. UV should comply with the reference standard specturm. IR complies with the reference standard specturm. UV complies with the reference standard specturm.
Melting range 186~189℃ 186.5~187.0℃
Volatile diazoizable substances Not more than 0.002% Conforms
Loss on drying Not more than 0.2% 0.12%
Residue on ignition Not more than 0.1% 0.04%
Heavy metals Not more than 0.002% Conforms
Assay 98.5~101.5% 99.80%
Ordinary impurities ≤1% Conforms

 

 

Production

4 - Aminobenzoic Acid Active Pharmaceutical Intermediates For Dyes Treat Gastrointestinal Symptoms

Contact Details
Shanghai Poochun Industry Co.,Ltd

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