Iodine Tincture Extra Pure

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SHORT DESCRIPTION

Iodine Tincture Extra Pure is a high-quality antiseptic solution composed of elemental iodine dissolved in a mixture of alcohol and potassium iodide. It is widely used for disinfecting wounds, sterilizing skin before medical procedures, and as a laboratory reagent in various analytical and microbiological applications. Its fast-acting antimicrobial properties make it effective against bacteria, viruses, and fungi. In laboratory settings, it serves as a reliable indicator and staining agent. Due to its volatility and staining nature, the tincture should be handled with care and stored in tightly closed, amber-colored bottles to preserve stability and prevent degradation.

 

Description

USES

Primary Laboratory Uses:

  1. Antiseptic and Disinfectant Studies:
    Iodine tincture is commonly used in microbiology labs to study antimicrobial efficacy, particularly in surface sterilization and wound disinfection models. 
  2. Biological Staining:
    Used as a mordant or contrast agent in microscopic studies, especially for enhancing visibility of cell structures in plant and animal tissues. 
  3. Chemical Testing for Starch:
    Serves as a quick field reagent for starch detection, where the presence of starch turns the iodine solution deep blue-black. 

Secondary Laboratory Uses:

  1. Iodine Source in Redox Titrations (Iodometry):
    May serve as a readily available iodine source in some titration procedures when high-purity iodine is not required. 
  2. Educational Demonstrations and Experiments:
    Used in science education to demonstrate concepts such as diffusion through membranes, osmosis, or antiseptic action in practical biology and chemistry. 
  3. Preparation of Dilute Iodine Solutions:
    Acts as a stock solution for preparing various iodine-based reagents used in both analytical chemistry and biochemistry.

 

KEY PRODUCT FEATURES

KEY ATTRIBUTES

1. Basic Identification Attributes

  • Product Name: Iodine Tincture 
  • Grade: Extra Pure (Laboratory/Analytical Grade) 
  • Typical Composition: 
    • Iodine (I₂): 1–2% 
    • Potassium iodide (KI): ~2% 
    • Ethanol: ~47% 
    • Purified water: balance 
  • Appearance: Reddish-brown liquid 
  • Odor: Strong, characteristic iodine-alcohol odor 

2. Physical & Chemical Properties

  • Solubility: Miscible with water and alcohol 
  • Boiling Point: Depends on ethanol content (~78 °C) 
  • pH: Slightly acidic 
  • Vapor Pressure: Moderate due to ethanol 
  • Volatility: High (flammable due to alcohol content) 

3. Safety & Hazard Attributes

  • GHS Classification:
    ⚠️ Flammable Liquid (Category 2)
    ⚠️ Acute Toxicity – Oral/Inhalation (Category 4)
    ⚠️ Skin Irritation (Category 2)
    ⚠️ Eye Irritation (Category 2A)
    ⚠️ Aquatic Hazard (Category 1) 
  • Hazard Statements: 
    • H225: Highly flammable liquid and vapor 
    • H315: Causes skin irritation 
    • H319: Causes serious eye irritation 
    • H302 + H332: Harmful if swallowed or inhaled 
    • H410: Very toxic to aquatic life with long-lasting effects 
  • PPE Requirements: 
    • Nitrile gloves 
    • Safety goggles 
    • Lab coat 
    • Use in fume hood or well-ventilated space 
  • First Aid Measures: 
    • Inhalation: Move to fresh air, seek medical help 
    • Skin: Wash with soap and water, remove contaminated clothing 
    • Eyes: Rinse with water for 15 minutes, seek attention 
    • Ingestion: Rinse mouth, do not induce vomiting, seek urgent medical care 

4. Storage & Handling Attributes

  • Storage Conditions: 
    • Keep tightly closed in amber or opaque bottles 
    • Store in cool, dry, well-ventilated area away from flames and heat sources 
    • Avoid exposure to light and oxidizers 
  • Container Type: Glass or compatible plastic with vapor-tight seal 
  • Incompatible Materials: Strong oxidizers, acids, alkalis, reducing agents 

5. Regulatory & Transport

  • UN Number: 1219 (Isopropanol-based tincture) or 1170 (Ethanol-based) 
  • Hazard Class: 3 (Flammable Liquid) 
  • Packing Group: II 
  • Labeling: Flammable, Irritant, Environmental Hazard 

6. Laboratory Applications

  • Primary Uses: 
    • Laboratory antiseptic and disinfectant demonstration 
    • Source of iodine and iodide in experiments 
    • Reagent in starch/iodine tests 
    • Topical antiseptic in biological experiments 
  • Secondary Uses: 
    • Preparation of iodine test kits 
    • Iodometry and redox studies 
    • Microbiology and histology procedures 
    • Classroom experiments for volatility, evaporation, and reaction with starch
SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

  • Wear a lab coat, nitrile gloves, and safety goggles. 
  • Use in a well-ventilated area or under a fume hood due to volatile solvents. 

Handling:

  • Avoid skin and eye contact; iodine and alcohol can be irritating. 
  • Prevent inhalation of vapors. 
  • Wash hands thoroughly after use. 
  • Keep away from heat, sparks, open flames, and hot surfaces—no smoking. 

Storage:

  • Store tightly sealed in a cool, dry, and well-ventilated space. 
  • Keep away from light, heat, and incompatible substances (e.g. strong oxidizers). 
  • Flammable—store away from ignition sources. 

FIRST AID MEASURES

Inhalation:

  • Move the person to fresh air. 
  • Keep breathing comfortable for breathing. 
  • Seek medical attention if respiratory irritation occurs. 

Skin Contact:

  • Immediately wash with soap and water. 
  • Remove contaminated clothing. 
  • Seek medical advice if irritation develops or persists. 

Eye Contact:

  • Rinse carefully with water for several minutes. 
  • Remove contact lenses if present and easy to do. 
  • Continue rinsing and seek medical help. 

Ingestion:

  • Rinse mouth. Do not induce vomiting. 
  • Never give anything by mouth to an unconscious person. 
  • Seek immediate medical attention. 

FIRE FIGHTING MEASURES

Flammability:

  • Highly flammable due to alcohol content. 

Extinguishing Media:

  • Use CO₂, dry chemical powder, or alcohol-resistant foam. 
  • Water spray can cool surfaces but may spread flammable liquids. 

Hazardous Combustion Products:

  • Iodine vapors, carbon monoxide, carbon dioxide, and irritating fumes. 

Firefighter Protection:

  • Wear full protective clothing and self-contained breathing apparatus (SCBA). 
  • Evacuate the area and fight fire from a safe distance.