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West Ujimqin Banner, Xilingol League, Inner Mongolia, China
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Product Name: Seaweed Iodine
Other Names: Marine Iodine Extract, Algal Iodine
Recommended Use: Nutritional supplement, food additive, plant fertilizer
Chemical Formula: Varies (typically as KI or organic-bound iodine)
Manufacturer’s Details: Please refer to supplier documentation for detailed contact information
Emergency Telephone: Refer to local poison control or company-provided emergency services
Synonyms: None widely recognized outside of trade names
CAS Number: 7553-56-2 (elemental iodine, may vary with source)
UN Number: Not classed under UN for non-pure, seaweed-derived extracts
Recommended Restrictions: For external use and human consumption within regulated daily intake
Hazard Classification: May cause irritation to skin, eyes, and respiratory tract; danger of allergic reaction in susceptible individuals; chronic exposure may affect thyroid function
Label Elements: Warning symbol for irritant; avoid contact with eyes and mucous membranes
Signal Word: WARNING
Hazard Statements: Causes eye and skin irritation; harmful if swallowed in large amounts
Precautionary Statements: Use personal protective equipment like gloves and protective eyewear; wash hands thoroughly after handling; avoid inhalation of dust or vapors
Potential Health Effects: Overexposure can disrupt thyroid function (hypo- or hyperthyroidism), may trigger allergic reactions, possible mild toxicity on ingestion above recommended levels
Environmental Hazards: May be toxic to aquatic organisms at high concentrations, not expected to bioaccumulate from crude seaweed forms
Symptoms: Sore throat, coughing, stomach upset, headache (after excessive inhalation or ingestion)
Main Component: Iodine, present as iodide or organic iodine complexes
Concentration Range: Typically 0.1% - 3% by dry weight, natural variation by species and harvest location
Other Ingredients: Algal carbohydrates (alginic acid, laminarin, mannitol), trace minerals (selenium, magnesium, calcium), moisture
Impurities/Contaminants: Trace elements depending on harvesting site; ensure heavy metal screening
Source: Sourced from marine brown, green, or red seaweeds (species commonly including Laminaria, Ascophyllum, Ecklonia, Ulva, Gracilaria)
Physical Form: Fine powder, flakes, or viscous liquid extract
CAS Numbers: Seaweed base (various), elemental iodine 7553-56-2
Inhalation: Move exposed person to fresh air; seek medical help if breathing problems persist
Ingestion: Rinse mouth with water; do not induce vomiting; drink plenty of water; consult doctor if large amounts consumed or discomfort develops
Skin Contact: Remove contaminated clothing; wash skin thoroughly with soap and water; seek medical attention if irritation, rash, or allergic reaction occurs
Eye Contact: Rinse immediately with clean, lukewarm water for at least 15 minutes; keep eyes wide open; remove contact lenses if present and easy to do; seek medical help if irritation continues
Most Important Symptoms: Eye and mucous membrane irritation, allergic reactions, nausea, possible breathing difficulty
Notes for Doctors: Treat symptomatically; consider thyroid function in cases of excessive exposure
Flammability: Low; organic matter may ignite at high temperatures
Suitable Extinguishing Media: Water spray, foam, carbon dioxide (CO2), dry powder
Unsuitable Media: Do not use direct stream of water, which can spread powders or flakes
Special Hazards: Combustion may release iodine vapors and carbon oxides; dense smoke can develop in confined fires
Protective Equipment: Use full protective gear, including self-contained breathing apparatus (SCBA), due to risk of inhaling iodine or combustion fumes
Specific Fire Fighting Methods: Use water to cool containers exposed to fire; prevent runoff from reaching water bodies
Explosion data: No known risk of explosion at ambient temperature and pressure
Personal Precautions: Avoid breathing dust; ventilate area; wear gloves, safety goggles, dust mask
Environmental Precautions: Keep material out of sewers and waterways; iodine can harm aquatic organisms in concentrated form
Clean-up Methods: Collect spilled material using damp cloth or HEPA-filtered vacuum; wash area with water and mild detergent after removal
Spill Handling: Place waste in container for disposal in accordance with local regulations
Decontamination: Rinse area thoroughly with water; use appropriate protective gear
Handling: Avoid dust generation; work in well-ventilated space; wear suitable protective equipment; avoid prolonged skin contact
Hygiene Practices: Wash hands thoroughly after handling; avoid drinking, eating, or smoking in work area
Storage Conditions: Store in a tightly sealed container in a cool, dry, well-ventilated area away from direct sunlight and sources of heat or ignition
Storage Incompatibilities: Keep away from acids, oxidizers, and strong bases
Special Considerations: Segregate from foods unless packaged for direct consumption; restrict access in bulk storage
Permissible Exposure Limits (PELs): Iodine vapor: 0.1 ppm OSHA ceiling, 0.1 ppm ACGIH TWA
Engineering Controls: Use local exhaust ventilation for dust or vapor; maintain adequate general ventilation
Personal Protective Equipment: Gloves (nitrile or latex), safety goggles, lab coat, dust mask or respirator for fine powders
Respiratory Protection: Wear NIOSH-approved respirator during heavy dust or vapor exposure
Environmental Exposure Controls: Equip drains with filters; prevent spillage into waterways
Appearance: Brownish powder, green flakes, or dark viscous liquid
Odor: Seaweed/briny with faint iodine undertone
pH: Slightly acidic to neutral (4-7, varies by species and processing)
Boiling Point: Not applicable (decomposes before boiling)
Melting Point: Not fixed; decomposition occurs at elevated temperatures
Solubility: Mostly soluble in water (iodine content as iodide); insoluble fractions possible
Vapor Pressure: Negligible at room temperature
Relative Density: 1.2 - 1.7 (dried powder); varies by concentration/method
Partition Coefficient (n-octanol/water): Not determined for crude extracts
Stability in Air: Stable if kept sealed and dry; may absorb moisture and degrade over time
Reactivity: Stable under normal storage and use conditions
Chemical Stability: Chemical composition remains stable in sealed containers, with low humidity and away from light
Possibility of Hazardous Reactions: Risk of iodine release in contact with acids or oxidizers; heat accelerates decomposition
Incompatible Materials: Strong reducing agents, acids, strong oxidizers
Conditions to Avoid: High humidity, temperatures above 35°C, direct sunlight
Decomposition Products: Iodine vapors, carbon dioxide, water vapor, and potentially trace halogenated compounds
Acute Toxicity: Low; seaweed iodine is poorly absorbed when consumed at recommended levels; ingestion of large quantities can cause gastro-intestinal distress, hyperthyroidism, or hypothyroidism
Routes of Exposure: Inhalation, ingestion, dermal, ocular
Skin Corrosion/Irritation: May cause mild to moderate skin irritation in sensitive individuals
Serious Eye Damage/Irritation: Causes irritation and redness
Respiratory Sensitization: Prolonged inhalation of dust may lead to upper respiratory irritation
Carcinogenicity: No evidence linking dietary iodine from seaweed to cancer
Reproductive Toxicity: Excessive iodine intake can affect fetal thyroid function
Chronic Effects: Regular overexposure may impact thyroid health; well-documented in medical literature
Symptoms of Overexposure: Stomach ache, headache, skin rash, metallic taste, irregular heartbeat at excessive doses
Ecotoxicity: Iodine can be toxic to aquatic organisms at very high concentrations
Persistence and Degradability: Biodegradable due to organic seaweed base; iodine released will disperse in the environment and become diluted
Bioaccumulative Potential: Not expected to bioaccumulate or biomagnify in food chains
Mobility in Soil: High, moves easily through water and soil as iodide ion; risk of local groundwater contamination at large spills
Other Adverse Effects: None identified at levels found in natural seaweed extracts used in agriculture and food
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations; incineration preferred for contaminated packaging or spills
Product Disposal: Landfill permitted only where authorized, after ensuring no risk of leaching into groundwater
Packaging Disposal: Rinse thoroughly and recycle where facilities exist, otherwise handle as chemical waste
Environmental Precautions: Avoid release to natural water bodies; use containment to prevent run-off
Special Precautions: Full PPE should be worn during cleanup and disposal; maintain records of significant disposal events
UN Number: Not regulated as dangerous good for crude seaweed extracts in most jurisdictions
Proper Shipping Name: Seaweed Iodine
Hazard Class: Not classified
Packing Group: Not classified
Special Precautions for Transport: Store in sealed, rigid containers; protect from heat, direct sun, and moisture
Bulk Transport: Not subject to international maritime, air, or land transport restrictions if non-concentrated
Additional Information: Consult customs and national regulations for updates and requirements
Labeling Requirements: Comply with OSHA, EU CLP, and local food or agriculture labeling codes
Regulatory Status: Generally Recognized as Safe (GRAS) as food ingredient within limits set by FDA (USA), EFSA (Europe), FSSAI (India), others
Workplace Safety: Subject to OSHA Hazard Communication Standard in occupational settings
Other Legislation: Check with local environmental regulations for iodine emissions and food safety standards
Import/Export Restrictions: May be subject to quality testing and documentation requirements depending on destination country
Additional Standards: Comply with REACH (EU), TSCA (USA), and other applicable chemical safety directives
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
