Iodine Crystals

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Iodine Crystals are high-purity elemental iodine in solid crystalline form. These dark violet-black crystals have a characteristic pungent odor and sublime easily at room temperature, releasing violet iodine vapors. Iodine is a halogen element widely used for its antiseptic, oxidizing, and chemical reagent properties in pharmaceutical, industrial, and laboratory applications.

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Categories: Nutrient Supplements, Active Pharmaceutical Ingredients (APIs), Antiseptics and Disinfectants, Disinfectants and Biocides, Photographic Chemicals Tags: Antimicrobial Action, Corrosion Inhibitor, High-Purity Iodine, Iodine Crystals, Starch Indicator, Strong Oxidizing Agent, Water treatment

Description

Table of Contents

Iodine Crystals

Primary Uses

Medical and Pharmaceutical

Antiseptic for wound cleaning and skin disinfection (e.g., tincture of iodine, povidone-iodine).
Source of iodine for pharmaceutical iodine supplements and nutritional fortification to prevent iodine deficiency.
Intermediate in synthesis of iodine-containing contrast agents for medical imaging.

Chemical Industry

Reagent for organic synthesis, iodination, and oxidation reactions.
Analytical reagent in iodometric titrations and starch tests.
Production of iodine compounds like potassium iodide and iodine monochloride.

Agriculture

Animal feed additive for essential iodine supplementation.
Disinfectant for farm equipment and surfaces.

Water Treatment

Active ingredient in iodine-based water purification tablets and solutions.

Secondary Uses

Photography and Printing

Used in manufacturing photographic emulsions and inks involving iodine derivatives.

Electronics Industry

Component in semiconductor and LCD manufacturing processes.

Research and Laboratory

Utilized as tracer, reagent, and antimicrobial agent in chemical and biological research.

Cosmetics

Occasionally used in formulations requiring antiseptic properties or pigmentation, under regulation.

KEY ATTRIBUTES

Basic Identification Attributes

Chemical Name (IUPAC): Iodine
Common/Trade Name: Iodine Crystals; Elemental Iodine
CAS Number: 7553-56-2
HS Code: 2801.30.00
Synonyms: Molecular iodine; elemental iodine; crystalline iodine

Physical & Chemical Properties

Physical State: Solid crystalline
Color & Odor: Dark violet-black; pungent odor
Melting Point: 113.7 °C
Boiling Point: 184.3 °C (sublimes)
Density: 4.933 g/cm³
Solubility: Slightly soluble in water; highly soluble in ethanol, ether, chloroform
Vapor Pressure: Sublimes at room temperature
Chemical Nature: Diatomic molecule (I₂), strong oxidizer

Safety & Hazard Attributes

GHS Classification:

Acute Toxicity (oral), Skin Corrosion/Irritation, Serious Eye Damage

Toxicity:

Harmful if swallowed; causes skin and eye irritation; toxic to aquatic life

Exposure Limits:

Avoid inhalation of vapors and dust; observe occupational exposure limits

Storage & Handling Attributes

Storage Conditions:

Cool, dry, well-ventilated area away from sunlight and heat

Container Type:

Amber glass or sealed plastic containers

Shelf Life:

2+ years if stored properly

Handling Precautions:

Use PPE including gloves, goggles, and respiratory protection in case of dust/vapor exposure

Regulatory & Compliance Attributes

Approved for pharmaceutical and industrial use by regulatory bodies
Subject to hazardous material transport regulations

Environmental & Health Impact

Biodegradability: Not applicable
Ecotoxicity: Toxic to aquatic life; avoid environmental discharge
Bioaccumulation: Low potential
Carcinogenicity/Mutagenicity: Not classified

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required:

Chemical resistant gloves, goggles, protective clothing, respirator if needed

Handling Guidelines:

Avoid inhalation, skin, and eye contact; handle in well-ventilated areas

Storage Measures:

Keep container tightly closed; store away from incompatible materials

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms develop
Skin Contact: Wash with water for 15 minutes; remove contaminated clothing; seek medical help if irritation persists
Eye Contact: Rinse eyes thoroughly for 15–20 minutes; get immediate medical attention
Ingestion: Do not induce vomiting; rinse mouth; seek urgent medical care