Product Overview

Chemical Name: 4-Amino-3-methylbenzoic acid
Synonyms: 3-Methyl-4-aminobenzoic acid; 4-Amino-m-toluic Acid; Benzoic acid, 4-amino-3-methyl-
Molecular Formula: C₈H₉NO₂
Molecular Weight: 151.16 g/mol
CAS Number: 2486-70-6

Physicochemical Properties

Appearance: White to off-white crystalline powder
Odor: Odorless
Melting Point: 245-250°C (dec.)
Solubility: Slightly soluble in water, soluble in methanol, ethanol, and dimethyl sulfoxide (DMSO)
Density: 1.28 g/cm³ (approximate)

Applications

Widely used as a key intermediate in pharmaceutical synthesis, particularly for local anesthetics and antimicrobial agents.
Essential in dye manufacturing for colorant precursors and agrochemical production.
Key advantage: High reactivity in amidation and esterification reactions makes it ideal for custom synthesis.


As a leading 4-Amino-3-methylbenzoic acid manufacturer in China, we ensure compliance with API intermediate specifications for global clients.

Quality Specifications

Purity (HPLC): ≥98.5%
Loss on Drying: ≤0.5%
Residue on Ignition: ≤0.1%
Heavy Metals: ≤10 ppm

Packaging & Transportation

Packaging: 25 kg fiber drums with double polyethylene liners
Storage: Keep container tightly closed in a dry, well-ventilated area at 15-30°C
Transport Classification: Non-hazardous (Not regulated by IMDG/IATA/ADR)

Our Capabilities

Specializing in custom synthesis service supplier in China for:
- Fine chemicals & pharmaceutical intermediates (bromides, heterocycles, boronic acids)
- High-temperature/pressure reactions and continuous flow processes
- Scale-up from lab to 100 MT production


Core expertise includes nitro compounds, oxidation reactions, and multi-step synthesis (≤5 steps).


Contact us for high-purity benzoic acid derivatives supplier solutions or process development needs.

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