Material Safety Data Sheet – Methyl 4-Iodobutyrate

Identification

Product Name: Methyl 4-Iodobutyrate
Chemical Formula: C5H9IO2
Synonyms: 4-Iodobutyric acid methyl ester
CAS Number: 19980-20-0
Recommended Use: Laboratory chemical, research and development
Manufacturer: Supplier and contact information should be checked on the original container label
Emergency Contact: Local authorities, poison control, or company emergency hotline

Hazard Identification

Classification: Acute toxicity (oral, dermal), Skin irritation, Eye irritation
Signal Word: Warning
Hazard Statements: Harmful if swallowed, harmful in contact with skin, causes skin irritation, causes serious eye irritation
Pictograms: Exclamation mark
Precautionary Statements: Wear gloves, protective clothing, and eye protection; avoid breathing dust or vapors; wash thoroughly after handling
Routes of Exposure: Inhalation, skin contact, ingestion, eye contact
Potential Health Effects: Irritation to respiratory tract, nausea, headaches, skin redness, eye discomfort, risk of more serious injury with repeated or prolonged exposure

Composition / Information on Ingredients

Chemical Name: Methyl 4-Iodobutyrate
Concentration: 97–100% (variable by supplier)
CAS Number: 19980-20-0
Impurities: May include trace organic solvents or byproducts depending on synthesis
Ingredient Classification: Pure substance, not a mixture

First Aid Measures

Inhalation: Move person to fresh air, support breathing, give oxygen if breathing becomes difficult, seek medical attention
Skin Contact: Remove contaminated clothing, wash exposed area with soap and water for at least fifteen minutes, seek medical advice if irritation develops or persists
Eye Contact: Rinse immediately with plenty of water for at least fifteen minutes, hold eyelids open and remove any contact lenses if possible, consult physician
Ingestion: Rinse mouth, do not induce vomiting, never give anything by mouth to an unconscious person, obtain medical support
General Information: Make sure to provide medical staff with the SDS, seek care for severe symptoms, monitor for delayed effects

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Media: Water jet (may spread chemical)
Specific Hazards: Releases toxic fumes under fire conditions including iodine, carbon oxides
Precautions for Firefighters: Use self-contained breathing apparatus and protective clothing
Firefighting Instructions: Contain firewater for disposal, cool containers with water, evacuate nonessential personnel
Thermal Hazards: Container rupture due to buildup of pressure when heated

Accidental Release Measures

Personal Precautions: Avoid skin and eye contact, ventilate area, use personal protective equipment including gloves, goggles, and respirator
Environmental Precautions: Prevent release to drains or watercourses, contain spill to limit environmental exposure
Cleanup Methods: Absorb with inert material (sand, earth), transfer to chemical waste container, clean surface thoroughly, ventilate area
Disposal: Dispose of through licensed chemical waste contractor
Notification Procedures: Report significant spills to environmental agencies where required

Handling and Storage

Safe Handling: Use only in well-ventilated areas, minimize generation of vapors or mists, avoid all unnecessary exposure, keep containers closed when not in use
Storage Conditions: Store in tightly sealed original container in cool, dry, well-ventilated location
Incompatibles: Strong oxidizing agents, strong bases, avoid sources of ignition
Additional Handling Measures: Use non-sparking tools, practice good chemical hygiene, label containers clearly

Exposure Controls and Personal Protection

Exposure Limits: No established occupational exposure limits for Methyl 4-Iodobutyrate
Engineering Controls: Fume hood or local exhaust ventilation recommended
Protective Equipment: Chemical-resistant gloves (nitrile preferred), protective lab coat, splash-resistant safety goggles, use of a properly fitted respirator if ventilation inadequate
Hygiene Measures: Wash hands after use, remove contaminated clothing before leaving work area, do not eat or drink in laboratory

Physical and Chemical Properties

Appearance: Colorless to pale yellow liquid
Odor: Faint, characteristic
Odor Threshold: Data not available
pH: Not applicable
Melting Point/Freezing Point: Not determined
Boiling Point: 105–108°C (at 20 mmHg)
Flash Point: >85°C
Evaporation Rate: Not determined
Flammability: Not classified as flammable
Vapor Pressure: Not determined
Vapor Density: Not determined
Relative Density: 1.76 g/cm³
Solubility(ies): Low solubility in water, soluble in many organic solvents
Partition Coefficient (log Kow): Not available
Auto-ignition Temperature: Not established
Decomposition Temperature: No data
Viscosity: Not determined

Stability and Reactivity

Chemical Stability: Stable under standard temperature and pressure in sealed container
Reactivity: Not reactive in normal handling
Hazardous Reactions: Possible formation of toxic or irritant fumes if heated strongly
Conditions to Avoid: Prolonged exposure to heat, direct sunlight, moisture, incompatible materials
Incompatible Materials: Strong bases, oxidizing agents, reducing agents
Hazardous Decomposition Products: Iodine vapors, carbon oxides, methyl iodide possible on decomposition

Toxicological Information

Acute Toxicity: Harmful by ingestion and skin absorption (LD50 values not fully established)
Skin Corrosion/Irritation: Causes skin irritation, redness, possible blistering
Eye Damage/Irritation: Causes moderate to serious eye irritation
Respiratory Effects: Vapors may cause coughing, sore throat, headaches
Chronic Effects: Prolonged exposure may lead to dermatitis, or sensitization reactions
Carcinogenicity: No components listed as carcinogen by IARC, NTP, OSHA
Other Information: Effects may be delayed and symptoms may progress with repeated exposure; no evidence of mutagenicity or teratogenicity in available data

Ecological Information

Aquatic Toxicity: Data insufficient, potentially harmful to aquatic organisms
Persistence and Degradability: No detailed data, likely to degrade slowly
Bioaccumulative Potential: No reliable data available
Mobility in Soil: Slightly mobile, not very water-soluble
Other Adverse Effects: May disrupt aquatic systems if released in significant quantity; avoid any uncontrolled discharge into environment

Disposal Considerations

Waste Treatment Methods: Collect and contain in sealed, labeled containers for hazardous waste
Disposal Practices: Incinerate using approved facility or deliver to authorized chemical disposal contractor
Contaminated Packaging: Triple rinse before disposal, follow local regulations
Precautions: Do not discharge to sewer, surface water, or soil
Legal Requirements: Follow local, regional, and national regulations for hazardous waste disposal

Transport Information

UN Number: Not assigned (verify before transporting in bulk)
Proper Shipping Name: Consult regulatory listings
Transport Hazard Class: Check for appropriate class based on container size and regulatory status
Packing Group: Not specified
Environmental Hazards: Not marine pollutant based on available data
Special Precautions: Ensure containers are upright, tightly closed, clearly labeled; avoid direct sunlight and temperature extremes in transit

Regulatory Information

US Regulations: Not listed as hazardous under SARA Title III, TSCA status to be reviewed for specific producer
EU Regulations: Not classified as hazardous under current CLP; check REACH compliance
Other Country-Specific Info: Check compliance with local, regional, and national chemical safety regulations
Labeling Requirements: Must show hazard pictograms, precautionary and hazard statements according to GHS or local rules
Workplace Controls: Meet local occupational health and safety requirements
Environmental Release Reporting: Follow environmental chemical release notification rules