Product Description
5-Sulphosalicylic Acid (5-SSA) is an organosulfonic acid derivative of salicylic acid, widely used in clinical laboratories, research, and industrial applications. It is a white to off-white crystalline solid, stable under normal storage conditions, and readily soluble in water.
In laboratory settings, 5-Sulphosalicylic Acid is primarily used as a reagent for the detection and quantitative determination of proteins in urine and other biological fluids. It is also employed as an intermediate in organic synthesis, a complexing agent in analytical chemistry, and a precipitating agent for certain heavy metals and proteins.

Key Features
- Chemical Name: 5-Sulphosalicylic Acid (5-SSA)
- Chemical Formula: C₇H₆O₆S
- Molecular Weight: 218.19 g/mol
- CAS Number: 97-05-2
- Appearance: White to off-white crystalline powder
- Odor: Odorless
- Solubility: Highly soluble in water; soluble in ethanol
- Purity: ≥99% (Analytical Grade)
- Melting Point: ~300°C (decomposes)
Applications
Laboratory & Research
- Widely used as a protein precipitating agent in clinical biochemistry.
- Essential reagent for urine protein determination in diagnostic labs.
- Acts as a complexing and stabilizing agent in analytical chemistry.
- Used in sample preparation for protein and peptide analysis.
Industrial Uses
- Intermediate in the manufacture of pharmaceuticals and fine chemicals.
- Applied in organic synthesis as a sulfonated aromatic compound.
- Useful in metal treatment as a chelating/complexing agent.
Safety & Handling
- Hazard: May cause skin, eye, and respiratory irritation.
- Precautions: Wear gloves, protective eyewear, and suitable laboratory clothing. Avoid inhalation of dust.
- Storage: Store in a tightly sealed container, in a cool, dry, and well-ventilated area, away from strong oxidizing agents.
- Disposal: Dispose of in accordance with local environmental and safety regulations.
Why Choose 5-Sulphosalicylic Acid from M/S Bright Scientific Co.?
- High-purity laboratory-grade material suitable for clinical and analytical use.
- Reliable performance in protein detection and biochemical assays.
- Strict quality control ensuring consistent chemical stability.
- Competitive pricing with nationwide delivery across Bangladesh.
- Trusted by diagnostic laboratories, universities, and research institutions.
Price in Bangladesh
Available in 25 g, 100 g, 500 g, and 1 kg packs.
Bulk discounts available for diagnostic labs, research centers, and industrial users.
Contact Information
M/S Bright Scientific Co.
📞 Phone: 01711285976







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