Potassium Iodide Extra Pure

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Potassium Iodide Extra Pure is a high-purity, white crystalline salt widely recognized for its excellent solubility in water and its versatile applications. In laboratories, it is commonly used as a reagent in iodometric titrations and for preparing iodine solutions. In the medical field, it serves as a key source of iodine and is used for thyroid protection against radioactive iodine exposure. Its antioxidant properties also make it valuable in pharmaceutical formulations and as a stabilizer in various chemical processes. The extra pure grade ensures maximum consistency and reliability for precise experimental and industrial outcomes.

Description

PRIMARY USES

  • Pharmaceuticals & Medical Applications:

    • Used as a thyroid blocker during radiation emergencies to prevent radioactive iodine uptake.

    • Employed in the treatment of iodine deficiency, hyperthyroidism, and goiter.

    • Included in expectorants to help loosen mucus in respiratory conditions.

  • Laboratory Reagent:

    • Used in iodometric titrations and analytical chemistry to detect oxidizing agents.

    • Reacts with chlorine or hydrogen peroxide to release free iodine for analytical purposes.

  • Photography & Film Processing:

    • Formerly used in preparing photographic emulsions and developers.

  • Chemical Synthesis:

    • Source of iodide ions in various organic and inorganic reactions.

    • Used in preparing alkyl iodides and other iodinated compounds.

SECONDARY USES

  • Nutritional Supplementation:

    • Added to table salt to produce iodized salt, preventing iodine deficiency disorders.

  • Animal Feed:

    • Included in livestock feed formulations to support thyroid function in animals.

  • Disinfectants & Antiseptics:

    • Used with iodine to make Lugol’s solution and other iodine-based disinfectants.

  • Textile and Dye Industry:

    • Used in some staining procedures and fixation processes.
PRODUCT KEY FEATURES

1. Basic Identification Attributes

  • Chemical Name: Potassium Iodide

  • CAS Number: 7681-11-0

  • HS Code: 2827.60.00

  • Molecular Formula: KI

  • Synonyms:

    • KI

    • Iodide of potash

    • Potassium salt of hydroiodic acid

2. Physical & Chemical Properties

  • Physical State: Solid (crystalline powder or granules)

  • Color & Odor: White or colorless; odorless

  • Boiling Point & Melting Point:

    • Melting Point: ~681 °C

    • Boiling Point: Decomposes before boiling

  • Density/Specific Gravity: ~3.13 g/cm³

  • Solubility:

    • Highly soluble in water (140–150 g/100 mL at 20 °C)

    • Slightly soluble in ethanol and glycerol

  • pH Level: ~6–10 (5% aqueous solution)

  • Vapor Pressure & Volatility: Negligible vapor pressure

  • Flash Point: Not flammable

  • Autoignition Temperature: Not applicable

  • Viscosity: Not applicable (solid)

3. Safety & Hazard Attributes

  • Hazard Class (GHS Classification):

    • Eye irritation (Category 2A)

    • May cause thyroid effects at high doses

  • NFPA Ratings:

    • Health: 2

    • Flammability: 0

    • Reactivity: 0

  • Exposure Limits:

    • OSHA PEL: Not established

    • ACGIH TLV: Not established (consult local authority)

  • Reactivity:

    • Stable under normal conditions

    • Incompatible with strong oxidizing agents and acids

4. Storage & Handling Attributes

  • Storage Conditions:

    • Store in tightly sealed containers

    • Keep in a cool, dry, and dark place to avoid iodide oxidation

  • Incompatible Materials:

    • Strong acids, oxidizers, and halogens

  • Container Type:

    • Glass or HDPE bottles with tight-seal caps

  • Shelf Life & Expiration Date:

    • Several years if kept dry and away from light

  • Special Handling Requirements:

    • Use gloves, goggles, and dust mask if handling large quantities

    • Prevent exposure to light and moisture

5. Regulatory & Compliance Attributes

  • Regulatory Status:

    • Listed by TSCA, REACH, and other regulatory bodies

  • Transportation Restrictions:

    • Not classified as hazardous for transport

  • Waste Disposal Method:

    • Dispose of in accordance with local environmental regulations

    • Avoid release to the environment

6. Environmental & Health Impact

  • Ecotoxicity:

    • Low acute toxicity to aquatic life

  • Persistence in Environment:

    • Reacts to form iodates or elemental iodine in presence of air/light

  • Carcinogenicity/Mutagenicity:

    • Not classified as carcinogenic or mutagenic by IARC/OSHA

  • Biodegradability:

    • Inorganic substance; does not biodegrade but disperses in environment
SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

  • Protective safety goggles or chemical-resistant face shield

  • Lab coat or protective apron

  • Gloves (nitrile or PVC recommended)

  • Use dust mask or respirator in poorly ventilated areas or when handling large quantities

Handling:

  • Avoid inhalation of dust and contact with eyes or skin

  • Use in a well-ventilated area or under a fume hood

  • Keep container tightly sealed when not in use

  • Wash thoroughly after handling

Storage:

  • Store in a cool, dry, well-ventilated area

  • Keep container tightly closed

  • Protect from moisture and light

  • Store away from strong acids and oxidizing agents

FIRST AID MEASURES

Inhalation:

  • Move person to fresh air immediately

  • Keep at rest and seek medical attention if symptoms develop

Skin Contact:

  • Wash skin with plenty of water and soap

  • Remove contaminated clothing

  • Seek medical advice if irritation persists

Eye Contact:

  • Rinse cautiously with water for at least 15 minutes

  • Lift eyelids to ensure thorough flushing

  • Get medical attention immediately

Ingestion:

  • Rinse mouth with water

  • Do not induce vomiting unless instructed by medical personnel

  • Drink water or milk if conscious

  • Seek prompt medical attention

FIRE FIGHTING MEASURES

Flammability:

  • Non-flammable

Extinguishing Media:

  • Use water spray, dry chemical, foam, or carbon dioxide

  • Choose extinguishing media suitable for surrounding fire

Hazardous Combustion Products:

  • Emits toxic fumes of iodine and potassium oxides under fire conditions

Firefighter Protection:

  • Wear self-contained breathing apparatus (SCBA) and full protective clothing

  • Prevent runoff from fire control from entering waterways or sewers