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Iodine Crystals
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.
Iodine Crystals
Primary UsesÂ
- 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 UsesÂ
- 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.
1. 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
2. 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/cmÂł
- Solubility: Slightly soluble in water; highly soluble in ethanol, ether, chloroform
- Vapor Pressure: Sublimes at room temperature
- Chemical Nature: Diatomic molecule (Iâ‚‚), strong oxidizer
3. 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
4. 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
5. Regulatory & Compliance Attributes
- Approved for pharmaceutical and industrial use by regulatory bodies
- Subject to hazardous material transport regulations
6. Environmental & Health Impact
- Biodegradability: Not applicable
- Ecotoxicity: Toxic to aquatic life; avoid environmental discharge
- Bioaccumulation: Low potential
- Carcinogenicity/Mutagenicity: Not classified
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
Firefighting Measures
- Fire Hazards: Emits toxic iodine fumes on heating; combustible
- Extinguishing Media: Dry chemical, COâ‚‚, foam; avoid water jets
- Special Precautions: Use full protective gear and breathing apparatus
- Hazardous Combustion Products: Toxic iodine vapors
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