Iodised Salt Extra Pure

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SHORT DESCRIPTION

Iodised Salt Extra Pure is a refined form of sodium chloride enriched with a precise amount of iodine, typically in the form of potassium iodate or iodide. It is primarily used to prevent iodine deficiency disorders, making it essential in nutritional and public health applications. Beyond its dietary use, iodised salt also serves in laboratory settings for controlled experiments involving iodine content and salt solubility studies. Its high purity ensures minimal contamination, making it suitable for analytical and pharmaceutical applications where quality and consistency are critical. Proper storage in airtight containers is recommended to prevent iodine loss due to air exposure.

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Category: LABORATORY CHEMICALS Tags: AnalyticalChemistry, foodgradechemical, foodtesting, fortifiedsalt, iodinefortification, iodisedsalt, laboratorysalt, nutritionsupport, thyroidhealth

Description

USES

Primary Laboratory Uses:

Iodine Supplementation Studies:
Used in nutrition and biochemistry labs to analyze the impact of iodine fortification in dietary salt, especially for studying thyroid function and iodine deficiency disorders.
Analytical Chemistry (Iodine Detection):
Serves as a model sample for validating iodometric and colorimetric assays that detect iodine or iodide content in fortified food products.
Educational Demonstrations:
Common in school or undergraduate experiments to demonstrate trace element fortification, nutrient absorption, and simple extraction of iodine.

Secondary Laboratory Uses:

Quality Control Testing:
Used in laboratories involved in food safety and standards testing to monitor iodine concentration, salt purity, and compliance with fortification guidelines.
Research on Iodine Stability:
Studied in relation to the effect of storage, heat, and humidity on the stability of iodised compounds over time.
Microbiological Media Preparation (Non-standard):
Occasionally used where salt is a required component and iodised variants are under evaluation for microbial impact, although plain sodium chloride is more typical.

KEY PRODUCT FEATURES

KEY ATTRIBUTES

1. Basic Identification Attributes

Product Name: Iodised Salt
Chemical Name: Sodium Chloride with Potassium Iodate or Potassium Iodide
Grade: Extra Pure (suitable for laboratory or controlled applications)
Formula: NaCl + KIO₃ (or KI)
Appearance: White crystalline or powdery solid
Odor: Odorless

2. Composition

Sodium Chloride (NaCl): ~98–99%
Potassium Iodate (KIO₃) or Potassium Iodide (KI): 15–50 ppm (as iodine content)
Moisture content: Typically <0.5%
Additives (if any): Anticaking agents like calcium silicate (optional)

3. Physical & Chemical Properties

Solubility: Soluble in water
Melting Point: ~801 °C (NaCl)
Boiling Point: >1400 °C
pH (5% solution): ~6.5–7.5
Stability: Stable under normal conditions

4. Safety & Hazard Attributes

GHS Classification:
✅ Not classified as hazardous under normal laboratory handling
PPE Requirements:
- Gloves (nitrile or latex)
- Safety goggles
- Lab coat
First Aid Measures:
- Inhalation: Move to fresh air
- Skin/Eye Contact: Rinse with water
- Ingestion: Rinse mouth, not harmful in small amounts
Environmental Impact: Minimal at lab scale; dispose in accordance with local regulations if iodate/iodide levels are high

5. Storage & Handling Attributes

Storage Conditions:
- Store in tightly sealed container
- Keep in a cool, dry place
- Protect from moisture and light to prevent iodine degradation
Incompatible Materials: Strong acids (may release iodine), silver nitrate (reacts with chloride)

6. Laboratory Applications

Primary Uses:
- Nutritional and food chemistry studies (iodine enrichment)
- Control experiments in iodine deficiency testing
- Reference for salt analysis in titration (e.g., Mohr’s method)
- Demonstrating iodine stability and loss under different conditions
Secondary Uses:
- Preparing iodine spot test solutions
- Teaching redox chemistry with iodised vs. non-iodised salt
- Demonstrating sublimation of iodine from iodised salt
- Biological studies related to thyroid function

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear a lab coat, gloves, and safety goggles.
Use a dust mask if working with large quantities in powder form.

Handling:

Avoid generating dust.
Prevent contact with eyes.
Wash hands thoroughly after handling.
Use in a well-ventilated area.

Storage:

Store in a cool, dry place.
Keep the container tightly sealed to prevent moisture absorption.
Protect from direct sunlight and incompatible materials such as strong acids.

FIRST AID MEASURES

Inhalation:

Move to fresh air.
Seek medical attention if coughing or irritation develops.

Skin Contact:

Wash with soap and water.
Seek medical advice if irritation occurs.

Eye Contact:

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

Ingestion:

Rinse mouth with water.
Iodised salt is generally safe in small amounts; seek medical advice if large quantities are consumed or if symptoms develop.

FIRE FIGHTING MEASURES

Flammability:

Non-flammable.

Extinguishing Media:

Use any media appropriate for surrounding fire (water spray, foam, CO₂, dry chemical).

Hazardous Combustion Products:

May release iodine vapors or sodium oxides if subjected to high temperatures.

Firefighter Protection:

Use standard protective equipment and SCBA if necessary.
Avoid inhalation of fumes.