Metanilic Acid (CAS 121-47-1) – Product Overview

1. What is Metanilic acid CAS 121-47-1?

Metanilic Acid is an aromatic amine sulfonic acid compound widely used in dye intermediates, chemical synthesis, and laboratory research. It is primarily applied in the production of azo dyes, pigments, and as a reagent in analytical chemistry.


2. Chemical Information

Item Details
Product Name Metanilic Acid
CAS Number 121-47-1
Molecular Formula C6H7NO3S
Molecular Weight 173.19 g/mol
Appearance White to light beige crystalline powder
Purity 98% min or customized
Melting Point 300°C (decomposes)
Solubility Slightly soluble in water; soluble in alkali solutions
HS Code 29214200
Storage Store in a cool, dry, well-ventilated place, away from moisture

3. Applications

  • Intermediate for azo dyes and pigments

  • Used in the synthesis of sulfonated aromatic compounds

  • Analytical reagent in laboratories

  • Applied in organic synthesis and chemical R&D

  • Raw material for specialty chemicals and additives


4. Packaging & Storage

  • Packaging Options:

    • 25kg woven bags with inner plastic liner

    • 25kg kraft paper bags or fiber drums

    • Customized packaging available upon request

  • Storage Conditions:

    • Keep away from moisture and direct sunlight

    • Store in a dry, ventilated area

    • Handle with clean tools to avoid contamination


5. Quality Assurance

  • High purity and consistent particle size

  • Each batch comes with COA, MSDS, and TDS

  • Samples available for quality evaluation

  • Strict QC control during production and before shipment


6. Frequently Asked Questions (FAQs)-Metanilic acid CAS 121-47-1

Q1: What is the purity of your Metanilic Acid?
A: Our standard purity is 98% minimum. Higher purity can be customized based on customer needs.

Q2: Can you supply samples for testing before order?
A: Yes, free or small quantity samples are available upon request.

Q3: What is the typical lead time for delivery?
A: Usually 7–15 days after order confirmation, depending on quantity and packaging.

Q4: Is Metanilic Acid hazardous to transport?
A: It is not classified as a dangerous chemical for transport but should be handled with care to avoid dust and contact.

Q5: Do you offer OEM packaging or private labeling?
A: Yes, we provide OEM services, customized bags, labels, and palletizing.