Chemical Product Identification & Regulatory Data
Official chemical identifiers, CAS numbers, and regulatory compliance information
Basic Product Information
Regulatory Identifiers
Chemical Abstracts Service registry number - unique identifier for chemical substances
European Community number - used for regulatory compliance in EU/EEA
Registration, Evaluation, Authorisation and Restriction of Chemicals - EU regulation compliance
Uses Information
Overview
Iodine (CAS: 7553-56-2 ) is a solid, black, violet substance commonly used laboratory chemicals, synthesis of substances.
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GHS Hazard Classification & Safety Warnings
Globally Harmonized System (GHS) hazard pictograms, signal words, and safety classifications
Classification Status
Signal Word
Hazard Classifications
GHS Hazard Pictograms & Safety Symbols
GHS07
GHS08
GHS09
GHS (Globally Harmonized System) pictograms indicate specific chemical hazard categories and safety precautions
Hazard Statements
- H312 + H332: Harmful in contact with skin or if inhaled
- H315: Causes skin irritation.
- H319: Causes serious eye irritation.
- H335: May cause respiratory irritation.
- H372: Causes damage to organs (Thyroid) through prolonged or repeated exposure if swallowed.
- H400: Very toxic to aquatic life.
Precautionary Statements
- P260: Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
- P264: Wash skin thoroughly after handling.
- P270: Do not eat, drink or smoke when using this product.
- P271: Use only outdoors or in a well-ventilated area.
- P273: Avoid release to the environment.
- P280: Wear eye protection/ face protection.
- P280: Wear protective gloves/ protective clothing.
- P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
- P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P314: Get medical advice/ attention if you feel unwell.
- P332 + P313: If skin irritation occurs: Get medical advice/ attention.
- P337 + P313: If eye irritation persists: Get medical advice/ attention.
- P362: Take off contaminated clothing and wash before reuse.
- P391: Collect spillage.
- P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
- P405: Store locked up.
- P501: Dispose of contents/ container to an approved waste disposal plant.
- IF ON SKIN: Wash with plenty of soap and water. Call a POISON CENTER or doctor/ physician if you feel unwell.
- IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/ physician if you feel unwell.
Chemical Manufacturers & Supply Chain
Authorized suppliers, manufacturers, and distribution network information
Sigma-Aldrich
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3050 Spruce Street SAINT LOUIS MO 63103 USA
US
+1 800-325-5832
+1 800-325-5052
24/7 Emergency Response & Poison Control
Critical emergency contact numbers for chemical spills, exposure incidents, and medical emergencies
CHEMTREC
+1-703-527-3887
US
Chemical Composition & Hazardous Ingredients
Detailed component analysis, concentration ranges, and hazardous substance identification
Product Type
substanceChemical Components & Hazardous Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| Iodine EC: 231-442-4 | 7553-56-2 | 100% | ⚠️ Hazardous |
Composition Notes
For the full text of the H-Statements mentioned in this Section, see Section 16.
Emergency First Aid Measures
Critical first aid procedures for chemical exposure incidents and medical emergencies
🫁 Inhalation Exposure
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
🖐️ Skin Contact
Wash off with soap and plenty of water. Take victim immediately to hospital. Consult a physician.
👁️ Eye Contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
🍽️ Ingestion/Swallowing
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
🚨 Immediate Medical Attention Required
No data available
Fire Fighting Measures & Emergency Response
Fire suppression methods, extinguishing media, and firefighting safety procedures
✅ Suitable Extinguishing Media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
🛡️ Firefighter Protection Equipment
Wear self-contained breathing apparatus for firefighting if necessary.
Accidental Release Measures & Spill Response
Emergency spill cleanup procedures, containment methods, and environmental protection
🚨 Emergency Procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
🌍 Environmental Precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.
🧹 Cleanup Methods
Pick up and arrange disposal without creating dust. Sweep up and shovel.
Related Chemical Substances & Alternative Products
Similar chemicals with comparable safety profiles and industrial applications
Technical Specifications & Material Properties
Physical state, chemical properties, melting point, boiling point, and material characteristics
Safe Handling & Storage Procedures
Industrial handling precautions, storage conditions, and workplace safety requirements
⚠️ Handling Precautions
• Avoid contact with skin and eyes.
• Avoid formation of dust and aerosols.
• Further processing of solid materials may result in the formation of combustible dusts.
• The potential for combustible dust formation should be taken into consideration before additional processing occurs.
🏪 Storage Conditions
• Keep container tightly closed in a dry and well-ventilated place.
• Handle and store under inert gas.
• Hygroscopic.
🔥 Fire Prevention Measures
Further processing of solid materials may result in the formation of combustible dusts. The potential for combustible dust formation should be taken into consideration before additional processing occurs.
Exposure Controls & Personal Protective Equipment (PPE)
Occupational exposure limits, engineering controls, and required safety equipment
🏭 Engineering Controls
Handle in accordance with good industrial hygiene and safety practice.
🧤 Hand Protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. Full contact Material: Nitrile rubber Minimum layer thickness: 0.11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Aldrich Z677272, Size M) Splash contact Material: Nitrile rubber Minimum layer thickness: 0.11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Aldrich Z677272, Size M) data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail [email protected], test method: EN374 If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.
👁️ Eye Protection
Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
😷 Respiratory Protection
Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type N99 (US) or type P2 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
🦺 Skin/Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
🌍 Environmental Exposure Controls
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.
Chemical Stability & Reactivity Data
Chemical stability, hazardous reactions, and incompatible materials information
✅ Chemical Stability
Stable under recommended storage conditions.
🧪 Incompatible Materials
Rubber, Plastics, Iron and iron salts., Sulphur compounds, Ammonia, Magnesium, Zinc, Aluminum, Metals, Alkalis, Antimony salts, Arsenites, bromides, chlorides, iodides, thiocyanates, ferrous salts, hypophosphites, morphine salts, oils, creosote, phosphates, tannins, tartrates, Mixing iodine, antimony, and ammonia resulted in an explosion. A violent reaction occurs between iodine and acetaldehyde., Acetylene, Acetaldehyde, Strong oxidizing agents
💨 Hazardous Decomposition Products
Hazardous decomposition products formed under fire conditions. - Hydrogen iodide Other decomposition products - No data available
Ecological Information & Environmental Impact
Environmental toxicity, biodegradation, bioaccumulation, and ecological effects data
🌱 Toxicity
🌱 Persistence and degradability
🌱 Bioaccumulative potential
🌱 Mobility in soil
🌱 Results of PBT and vPvB assessment
🌱 Other adverse effects
Waste Disposal & Treatment Methods
Waste disposal procedures, treatment methods, and regulatory compliance requirements
♻️ Waste Treatment Methods
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material.
🗂️ Product Disposal Recommendations
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material.
Transportation & Shipping Information
UN numbers, shipping names, transport classes, and regulatory transport requirements
🏷️ UN Number
3495
📦 Proper Shipping Name
Iodine
⚠️ Transport Hazard Class
8 (6.1)
📋 Packing Group
III
Regulatory Information & Compliance
Chemical regulations, safety assessments, and regulatory compliance status
❌ Chemical Safety Assessment
No chemical safety assessment has been performed for this substance.
ℹ️ Additional Regulatory Information
SARA 311/312 Hazards: Acute Health Hazard, Chronic Health Hazard
Chemical Safety FAQ & Common Questions
Most frequently asked questions about safety, handling, storage, and regulatory compliance
What is the hazard signal word for Iodine?
The signal word for this substance is "danger".
What is the physical form of Iodine?
Iodine is a solid appearing as solid, black, violet with black, violet color. It has pungent odor.
What is Iodine used for?
Laboratory chemicals, Synthesis of substances
What are the hazard statements for Iodine?
This substance has 6 hazard statements: H312 + H332: Harmful in contact with skin or if inhaled H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation. H372: Causes damage to organs (Thyroid) through prolonged or repeated exposure if swallowed. H400: Very toxic to aquatic life.
What is the melting point of Iodine?
The melting point is 113 °C (235 °F) and the boiling point is 184 °C (363 °F).