

share
Ammonium Sulphanilate CAS NO 7301-03-3
Unit Price:
CAS No.:7301-03-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Ammonium Sulphanilate is the ammonium salt of sulphanilic acid, a key aromatic sulfonic acid derivative. This compound serves as a versatile intermediate and reagent, valued for its solubility and reactivity in aqueous systems. It is primarily utilized in the synthesis of dyes, pigments, and other specialty chemicals, meeting the needs of the fine chemical, pharmaceutical, and research sectors.
Application
- Dye and Pigment Intermediate: A crucial building block in the synthesis of azo dyes and other colorants.
- Pharmaceutical Synthesis: Used as a reagent or intermediate in the production of certain sulfa drugs and active pharmaceutical ingredients (APIs).
- Chemical Research & Development: Employed in organic synthesis and as a standard or reagent in analytical chemistry.
- Corrosion Inhibitor Formulation: A component in certain industrial treatment formulations for metal surface protection.
- Photographic Chemical: Used in some specialized photographic development processes.
- Laboratory Reagent: Serves as a high-purity chemical for analytical testing and quality control procedures.
Basic Information
| Product Name | Ammonium Sulphanilate |
| CAS No. | 7301-03-3 |
| Molecular Formula | C6H10N2O3S |
| Molecular Weight | 190.22 g/mol |
| Synonyms | Ammonium 4-aminobenzenesulfonate; Ammonium sulfanilate; Aniline-4-sulfonic acid ammonium salt; 4-Sulfoaniline ammonium salt; Ammonium p-aminobenzenesulfonate; Sulfanilic acid ammonium salt; Benzenesulfonic acid, 4-amino-, ammonium salt |
| EINECS | Contact for details |
Quality Control
Our Ammonium Sulphanilate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support compliance with global regulatory frameworks including REACH.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong acids.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to standard |
| Assay (HPLC) | ≥ 98.0% |
| Loss on Drying | ≤ 1.0% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals (as Pb) | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


2-Aminoethyl Hydrogen Sulfate CAS NO 926-39-6


2-Formylbenzenesulfonic Acid Sodium Salt CAS NO 1008-72-6


Benzenesulfonic Acid CAS NO 98-11-3


4'-Anilinotoluene-4-Sulphonanilide CAS NO 100-93-6


n-Ethyl-n-Benzylaniline-3'-Sulfonic Acid CAS NO 101-11-1


1-Amino-2-Naphthol-4-Sulfonic Acid CAS NO 116-63-2


4-Hydroxynaphthalene-2-Sulphonamide CAS NO 116-64-3


1-Hydroxynaphthalene-8-Sulfonic Acid CAS NO 117-22-6


2-Amino-1,5-Naphthalenedisulfonic Acid CAS NO 117-62-4


2-Amino-3,6,8-Naphthalenetrisulfonic Acid CAS NO 118-03-6


2-Naphthylamine-5,7-Disulfonic Acid CAS NO 118-33-2


4-Aminonaphthalene-1,5-Disulphonic Acid CAS NO 117-55-5


4-Hydroxynaphthalene-1,5-Disulphonic Acid CAS NO 117-56-6


1-Naphthol-5-Sulfonic Acid CAS NO 117-59-9


2,2'-Benzidinedisulfonic Acid CAS NO 117-61-3


4-(Dimethylamino)Benzenesulphonic Acid CAS NO 121-58-4


4-Acetamidobenzenesulfonamide CAS NO 121-61-9


n-Acetylsulphanilic Acid CAS NO 121-62-0


2,2'-Thiobis(5-Aminobenzenesulphonic) Acid CAS NO 118-86-5


5-Amino-2-Methylbenzenesulfonic Acid CAS NO 118-88-7
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






