Chemical Name: 2-Methylene-1,3-Propanediol
Synonyms: Methyleneglycol, 2-Methyleneglycerol
CAS Number: 1454-85-9
Recommended Use: Intermediate in organic synthesis
Supplier Information: Manufacturer or distributor's address, emergency contact phone, email, business hours hotline
Product Code: Enter as applicable based on the catalog
Emergency Phone: For critical response in chemical hazard emergencies
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Specific Target Organ Toxicity - Single Exposure (Category 3)
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, may cause respiratory irritation
Precautionary Statements: Wear protective gloves, eye/face protection, use only outdoors or in a well-ventilated area, avoid breathing dust or vapors, wash exposed skin after handling, store locked up
Pictograms: Exclamation mark
Potential Health Effects: Inhalation can lead to coughing, shortness of breath, or throat discomfort; skin contact may result in redness or rash; eye contact leads to watering, irritation, and potential blurred vision
Substance: 2-Methylene-1,3-Propanediol
CAS Number: 1454-85-9
Concentration: Greater than 98% by weight
Impurities: Minor impurities from production not expected to alter hazard classification
Molecular Formula: C4H8O2
Molecular Weight: 88.11 g/mol
Other Ingredients: None
Inhalation: Move affected person to fresh air; if breathing is difficult, get medical attention; monitor for respiratory distress symptoms
Skin Contact: Remove contaminated clothing, wash area thoroughly with soap and water, seek medical advice for persistent irritation
Eye Contact: Rinse eyes cautiously with water for at least 15 minutes, hold eyelids apart, consult ophthalmologist for prolonged symptoms
Ingestion: Rinse mouth with water, do not induce vomiting, never give anything by mouth to an unconscious person, seek immediate medical attention
General Information: Emergency responders should wear appropriate protective equipment
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: High-pressure water jet may spread material
Specific Hazards: Combustion generates carbon dioxide, carbon monoxide, possibly toxic fumes
Protective Equipment: Emergency personnel need full protective clothing and self-contained breathing apparatus
Special Procedures: Cool fire-exposed containers with water spray, prevent runoff to drains
Personal Precautions: Evacuate unnecessary personnel, ventilate area, wear chemical-resistant gloves, goggles, and protective clothing
Environmental Precautions: Prevent release into sewers, waterways, or soil; inform authorities if large releases contaminate environment
Clean-up Methods: Absorb spill with inert material such as sand or earth, transfer to appropriate waste container, ventilate closed spaces before entering, clean contaminated surfaces carefully
Disposal: Dispose of recovered material and contaminated cleaning supplies in accordance with local, regional, or national regulations
Handling: Use in well-ventilated areas, avoid inhalation or contact with skin and eyes, keep containers tightly closed during use, do not eat, drink, or smoke when handling chemicals
Storage Conditions: Store in original container away from direct sunlight, heat sources, and incompatible materials such as strong oxidizers or strong acids
Storage Temperature: Maintain below 25°C for product stability
Incompatible Materials: Oxidizing agents, strong acids, bases
Container Requirements: Use corrosion-resistant containers, keep tightly sealed, clearly labeled
Occupational Exposure Limits: No specific occupational exposure limit set; minimize exposure levels according to general workplace chemical safety principles
Engineering Controls: Local exhaust ventilation or fume hood for large scale use, safety showers and eyewash stations required
Personal Protective Equipment: Nitrile or neoprene gloves, wraparound safety goggles or face shield, lab coat, closed-toe shoes
Respiratory Protection: Use NIOSH-certified respirator when ventilation is insufficient
Hygiene Measures: Wash hands after handling, remove contaminated clothing, do not eat or drink during use
Appearance: Clear to pale yellow viscous liquid
Odor: Mild, characteristic odor
Odor Threshold: Not established
pH (1% solution): Slightly acidic to neutral
Melting Point: 18–21°C
Boiling Point: 194–197°C at 760 mmHg
Flash Point: 99°C (Closed cup)
Evaporation Rate: Not available
Flammability: Not classified as highly flammable
Vapor Pressure: Very low at room temperature
Density: 1.06 g/cm³ at 20°C
Solubility in Water: Miscible
Partition Coefficient (log Kow): 0.13 (estimated)
Viscosity: 80–120 cP at 25°C
Decomposition Temperature: Above 200°C
Chemical Stability: Stable under recommended storage conditions
Hazardous Reactions: No polymerization under normal use
Incompatible Materials: Strong oxidizers, strong acids or alkalis
Conditions to Avoid: Excessive heat, open flame, prolonged exposure to sunlight
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, possible acrid smoke or vapors
Acute Toxicity: Oral LD50 (rat) estimated > 1000 mg/kg; data limited
Skin Corrosion/Irritation: Causes transient irritation upon direct contact, may cause redness or dryness
Serious Eye Damage/Irritation: Strong irritation, tearing and discomfort, risk of temporary visual disturbance
Respiratory Sensitization: No data for sensitization, may cause irritation to respiratory tract
Skin Sensitization: No information available
Chronic Effects: Prolonged exposure might irritate mucous membranes or skin
Carcinogenicity: No evidence of carcinogenic activity in relevant animal studies
Reproductive Toxicity: Insufficient data
Mutagenicity: Not classified based on available information
Ecotoxicity: Low aquatic toxicity expected, but large releases may affect aquatic organisms by altering local pH
Persistence and Degradability: Readily biodegradable under aerobic conditions
Bioaccumulative Potential: Low based on physicochemical properties
Mobility in Soil: Highly mobile in aquatic and terrestrial environments due to high solubility
Other Adverse Effects: No significant ozone depletion or global warming impact indicated
Waste Treatment Methods: Use approved chemical incinerator or licensed waste management facility
Disposal of Contaminated Packaging: Containers must be triple-rinsed, then taken for recycling or disposal according to local regulations
Precautions: Never discharge to natural waters, municipal or general waste systems without permission
Legal Basis: Disposal must meet governmental or local environmental protection agency requirements
UN Number: Not regulated for ground, air, or sea transport
Proper Shipping Name: Not a Dangerous Good
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: None declared
Special Precautions: Ensure secure, upright transport in original containers, avoid shipping with incompatible substances
Emergency Guide Number: Not assigned due to non-hazardous status
Chemical Inventory: Listed on TSCA (USA), REACH pre-registered (EU), IECIC, DSL (Canada)
Labelling Requirements: Must follow GHS classification with proper hazard statements and pictograms
Workplace Regulation: Subject to general chemical safety rules, employee training on hazards and protocols required
Other Regulations: SARA Title III (no listed components), CERCLA (threshold reporting not relevant), California Proposition 65 (not listed)
National Chemical Safety: Observe additional country-specific requirements for storage and transportation
Providing high-quality chemical products and logistics solutions for global trade partners.
