Lugols Iodine Extra Pure

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Lugol’s Iodine Extra Pure is a superior-grade aqueous solution composed of elemental iodine and potassium iodide, known for its wide-ranging applications in laboratories, microscopy, and medical diagnostics. Valued for its strong staining properties, it is commonly used in biology to identify starch in plant cells and as a general-purpose cellular stain to enhance visibility under a microscope. Its extra pure formulation ensures high clarity, minimal impurities, and consistent results in sensitive applications. Additionally, it plays a role in preparing specimens, sterilization procedures, and certain medical antiseptic practices. Store tightly sealed, away from light and heat, to preserve potency.

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Categories: Analytical Reagents, Biochemical Reagents, LABORATORY CHEMICALS, Laboratory Safety Chemicals, microbiology-and-cell-culture-reagents Tags: AnalyticalReagents, BiochemicalReagent, CellStructureStaining, ChemicalStain, iodinesolution, LaboratoryChemicals, LabUse, LugolsIodine, Microbiology, StainingReagent

Description

Table of Contents

Lugols Iodine Extra Pure

Primary Laboratory Uses:

Starch Indicator:
- Commonly used to test for the presence of starch; turns blue-black in the presence of starch, making it essential in biological and food analysis.
Microscopy Stain:
- Serves as a contrast stain in microscopy, especially for highlighting cell structures like nuclei in plant and animal cells.
Antiseptic Agent:
- Used in lab settings for disinfection of surfaces and minor tools due to its iodine content.

Secondary Laboratory Uses:

Glycogen Detection:
- Helps detect glycogen in cells and tissues, especially in histological studies.
Protozoan Staining:
- Aids in staining intestinal parasites and cysts in biological and clinical samples.
Redox Reactions:
- Occasionally used in redox titrations or as part of iodine-based redox systems.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Lugol’s Iodine
Synonyms: Aqueous Iodine Solution, Iodine-Potassium Iodide Solution
Composition:
- Typically 5% elemental iodine (I₂)
- 10% potassium iodide (KI)
- In distilled water
Appearance: Reddish-brown liquid
Odor: Characteristic iodine odor
Solubility: Miscible with water
Grade: Extra Pure (analytical grade)

2. Safety & Hazard Attributes

GHS Classification:
- Skin Irritant (Category 2)
- Eye Irritant (Category 2A)
- Harmful if swallowed (Category 4)
Hazard Statements (H-Codes):
- H302: Harmful if swallowed
- H315: Causes skin irritation
- H319: Causes serious eye irritation
Precautionary Statements:
- P264: Wash hands thoroughly after handling
- P280: Wear protective gloves and eye/face protection
- P301+P312: If swallowed, call a poison center or doctor
Personal Protective Equipment (PPE):
- Nitrile gloves, goggles, lab coat
First Aid Measures:
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse cautiously with water for several minutes
- Ingestion: Rinse mouth, do not induce vomiting; seek medical advice
Fire Hazards:
- Not flammable
- Use standard extinguishing agents for surrounding fire

3. Storage & Handling Attributes

Storage Conditions:
- Store in a tightly sealed, amber bottle
- Keep in a cool, dry place away from light and incompatible materials (e.g., reducing agents)
- Avoid heat and direct sunlight
Handling Tips:
- Handle with care to avoid skin or clothing stains
- Do not breathe vapors or ingest

4. Laboratory Applications

Primary Uses:
- Starch detection: Forms a blue-black complex with starch
- Microscopy stain: Used as a contrast stain for plant cells and protozoa
- Iodometry (Redox titration): In analytical chemistry for redox reactions
Secondary Uses:
- Disinfectant and antiseptic (non-laboratory, with appropriate dilution)
- Educational demonstrations of chemical reactions
- Nutrient test in biology labs (e.g., starch in food)

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear a lab coat, nitrile gloves, and safety goggles.
Work in a well-ventilated area or under a fume hood to avoid vapor exposure.

Handling:

Avoid inhalation, ingestion, and contact with skin and eyes.
Handle with care to prevent spills and staining.
Wash hands thoroughly after use.

Storage:

Store in a tightly closed container in a cool, dry, and dark place.
Protect from light and heat.
Keep away from incompatible substances such as strong reducing agents.

FIRST AID MEASURES

Inhalation:

Move to fresh air immediately.
Seek medical attention if symptoms such as coughing or difficulty breathing occur.

Skin Contact:

Wash thoroughly with soap and water.
Remove contaminated clothing.
Seek medical advice if irritation or staining persists.

Eye Contact:

Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing and seek immediate medical attention.

Ingestion:

Rinse mouth with water.
Do not induce vomiting.
Seek immediate medical assistance.

FIRE FIGHTING MEASURES

Flammability:

Not considered flammable, but may support combustion of other materials.

Extinguishing Media:

Use dry chemicals, carbon dioxide (CO₂), or foam.
Water spray may be used to cool containers.

Hazardous Combustion Products:

Emits toxic iodine vapors, hydrogen iodide, and oxides of iodine when heated.

Firefighter Protection:

Use self-contained breathing apparatus (SCBA) and full protective gear.