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4-Aminobenzoic acid

PABA (para-Aminobenzoic acid); p-Aminobenzoic acid; Vitamin Bx; 4-ABA

CAS 150-13-0

Chemical Formula C₇H₇NO₂

Molecular Weight 137.14 g/mol

4-Aminobenzoic acid, also known as para-aminobenzoic acid (PABA), is an organic compound that is part of the vitamin B complex group. It is used in the synthesis of folic acid, dyes, and pharmaceuticals. PABA has also been used in sunscreens, although its use has declined due to potential skin sensitivity.

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Industrial Uses

1. Pharmaceuticals

Intermediate in Drug Synthesis: PABA is used as a key intermediate in the synthesis of local anesthetics (like benzocaine, procaine) and sulfonamide antibiotics.
Vitamin Component (B Complex Group): It is a precursor of folic acid and historically considered a part of the vitamin B complex.
UV Protectant in Topicals: Earlier used in sunscreen formulations for its UV-absorbing properties (now limited due to allergenic concerns).

2. Performance Chemicals

Dye and Pigment Intermediate: Used as a building block for the synthesis of azo dyes, specialty pigments, and other aromatic compounds.
Polymer & Resin Intermediate: Participates in the production of high-performance polymers and resins.

3. Personal Care

Sunscreens (Historic Use): Formerly popular as a UV filter in sunscreens (now mostly replaced due to allergic sensitivity).
Hair Care Products: Sometimes included in formulations claiming to promote healthy hair or pigmentation (though limited efficacy data).

4. Agrochemicals

Intermediate for Agrochemical Actives: Used in the synthesis of herbicides and plant growth regulators due to its aminobenzoic backbone.
Folic Acid Pathway Research: Studied in microbiology and plant biology for its role in folate biosynthesis pathways.

Specifications

Assay	≥ 98% (pharmaceutical/analytical grade)
Appearance	White to off-white crystalline powder
Odor	Odorless or very faint amine-like odor
Boiling Point	Decomposes before boiling (~300 °C)
Melting Point	187–189 °C
Density	~1.374 g/cm³
Solubility	Slightly soluble in cold water; soluble in hot water, ethanol, and ether
Viscosity	Not applicable (solid)
Flash Point	Not flammable in solid form (combustible at high temp)

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FAQs

1. What is the current price of 4-Aminobenzoic acid in India?
The price 4-Aminobenzoic acid can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.6301 00 6301 directly for a customized quote tailored to your needs.

2. Where can I buy 4-Aminobenzoic acid in India?
You can purchase 4-Aminobenzoic acid from MULTICHEM, a leading exporter with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across global markets. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for 4-Aminobenzoic acid?
Our minimum order quantity (MOQ) 4-Aminobenzoic acid is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of 4-Aminobenzoic acid supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.