Sulfanilic Acid | 121-57-3
Cas No :
121-57-3
Synonyms :
Form :
Solid
Molecular Weight :
173.19 G/Mol
Molecular Formula :
C6H7NO3S
Boiling Point :
300 °C
Melting Point :
168 °C
Flash Point :
230 °C
Solubility :
Soluble In Water; Soluble In Ethanol
Description :
Overview of Sulfanilic Acid
Sulfanilic Acid is an important aromatic aminosulfonic acid used extensively in dye manufacturing, pigment production, pharmaceuticals, and analytical chemistry. Its structure, containing both amino and sulfonic groups, makes it a key building block for producing azo dyes, optical brighteners, and specialty colorants.
On ChemicalBull, several related products—such as ThioSodiusulfate Pentahydrate, Ferric Chloride Anhydrous, Copper Glycinate, and Sodium Sulfide
Applications of Sulfanilic Acid
Dyes & Pigments
-
Primary raw material for azo dye synthesis
-
Used in manufacturing acid dyes, direct dyes, and reactive dyes
-
Essential for colorant and pigment formulations
Pharmaceutical Applications
-
Serves as an intermediate in producing drug molecules and sulfa compounds
-
Utilized in chemical modification and synthesis of active ingredients
Optical Brighteners
-
Key ingredient in optical brightening agents (OBAs)
-
Enhances whiteness in detergents, papers, and textiles
Analytical Chemistry
-
Used in quantitative analysis, especially in nitrate and nitrite detection
-
Functions as a reagent in laboratory and industrial analytical methods
Agricultural Chemicals
-
Utilized as an intermediate in the production of selected agrochemicals and formulations
Safety & Handling Guidelines
-
Avoid contact with eyes, skin, and inhalation of dust
-
Use protective gloves, eyewear, and dust mask
-
Store in a cool, dry area, away from humidity
-
Do not mix with strong oxidizing agents
-
Refer to MSDS for detailed hazard and handling instructions
Where to Buy Sulfanilic Acid?
Tetrabutylammonium Hydroxide Manufacturer
Produced in high-purity, industrial-grade & dye-intermediate grade, suitable for color chemicals, research, and formulation work.
Tetrabutylammonium Hydroxide Supplier & Exporter
ChemicalBull ensures:
-
Bulk supply with COA, MSDS & TDS
-
Safe, moisture-free packaging
-
Export-ready delivery with proper documentation
Tetrabutylammonium Hydroxide MSDS
-
Physical & chemical properties
-
Hazard identification
-
Storage & safe handling
-
Toxicological details & emergency measures
Frequently Asked Questions (FAQs)
-
What is Sulfanilic Acid used for?
It is mainly used in azo dye manufacturing, pigments, pharmaceuticals, and analytical reactions. -
Is Sulfanilic Acid water-soluble?
It has moderate solubility and dissolves better in alkaline conditions. -
Do you supply bulk industrial-grade Sulfanilic Acid?
Yes, ChemicalBull supplies high-purity industrial and dye-grade material. -
Is it used in analytical chemistry?
Yes, it is a key reagent for nitrate and nitrite detection. -
Do you provide COA & MSDS with shipments?
Yes, COA, MSDS & all required export documents are provided.
