Tannic acid
Source: Natural five-fold
science Other reagents with same CAS 1401-55-4
blur_circular Chemical Specifications
description Product Description
Used in leather tanning to stabilize collagen structure by binding proteins, improving durability and resistance to decomposition.
Commonly applied in corrosion inhibition, where it forms protective layers on metal surfaces, especially in cooling water systems.
Utilized in the pharmaceutical industry for its astringent and antimicrobial properties in topical treatments, wound healing formulations, and as an antidiarrheal agent to relieve symptoms from certain bacterial infections.
Acts as an antioxidant, clarifying agent, and natural preservative in food and beverage processing, particularly in wine and beer stabilization to control astringency and improve product quality.
Employed in ink formulations, dyeing processes, and paint industries due to its ability to bind with proteins and metal ions, enhancing color fastness and durability.
Also used in analytical chemistry for the detection of alkaloids and heavy metals.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Appearance | Yellow and Light Beige to Beige and Light Brown Powder |
| SOLUBILITY (COLOR) | 100 mg/mL, EtOH, Yellow to Very Dark Yellow to Very Dark Orange |
| Water by Karl Fischer(%) | 0-12 |
| Gum or Dextrine USP test | Pass |
| Residue on ignition(Ash) | 0%-1% |
| Heavy metals | 0%-0.004% |
| ARSENIC(AS)(PPM) | 0-3 |
| CARBON BY ELEMENTAL ANALYSIS(%) | 48-50 |
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