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Tannic Acid
Tannic Acid, 100g
Product Profile
Tannic acid is a high-molecular-weight polyphenolic compound (hydrolysable tannin) widely used in analytical chemistry, protein precipitation studies, and antioxidant research. It is commonly applied as a standard in phenolic content determination and in various industrial and laboratory processes.
Details
Brand: Molychem (or equivalent)
Product Name: Tannic Acid
Pack Size: 100g
Molecular Formula: C₇₆H₅₂O₄₆ (approximate, variable composition)
Molecular Weight: ~1701.2 g/mol (typical reference value)
CAS Number: 1401-55-4
Specifications
Appearance: Light yellow to brown amorphous powder
Solubility: Freely soluble in water, ethanol, and acetone
Purity: Typically ≥95% (as tannic acid basis)
pH (1% solution): ~3–4 (acidic)
Odor: Slight characteristic odor
Light Sensitivity: Sensitive to light and air (may darken)
Handling
Avoid dust formation and inhalation. Use appropriate PPE (gloves, goggles, lab coat). Prevent contact with skin and eyes. Handle in a well-ventilated environment.
Storage
Store tightly closed in a cool, dry, and well-ventilated place. Protect from light, air, and moisture. Keep away from incompatible substances (strong oxidizers).
Applications
Total phenolic content (TPC) studies (alternative eference)
Protein precipitation and enzyme inhibition studies
Antioxidant and radical scavenging assays
Pharmaceutical and biochemical research
Ink, dye, and industrial applications
Metal ion complexation studies
Hazard Information
May cause irritation to eyes, skin, and respiratory tract. Harmful if swallowed in large quantities. Prolonged exposure may cause gastrointestinal discomfort. Refer to SDS for full safety details.
Packaging
Supplied in a sealed HDPE or amber container (wide-mouth for bulk handling), packed securely in labeled outer packaging.
Safety Note
For laboratory and industrial use only. Not for food or medicinal use unless specified grade. Handle according to good laboratory and industrial safety practices.
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