Product Name: 5-Methyl-1H-Imidazole-4-Methanol
Chemical Formula: C5H8N2O
CAS Number: 6642-31-5
Recommended Use: Laboratory chemical, research and development, synthesis of organic compounds
Supplier Information: Chemical distribution company, laboratory supply vendor, or academic institution
Emergency Phone Number: CHEMTREC (24/7): 1-800-424-9300
GHS Classification: Acute toxicity (oral, dermal, inhalation), Skin irritation, Eye damage
Hazard Statements: Harmful if swallowed, can cause skin irritation, can cause serious eye irritation, may cause respiratory tract irritation
Pictograms: Exclamation mark
Signal Word: Warning
Precautionary Statements: Avoid breathing dust or vapor, wear protective gloves and safety goggles, wash hands thoroughly after handling, seek medical advice if feeling unwell, rinse eyes thoroughly if contact occurs
Chemical Name: 5-Methyl-1H-Imidazole-4-Methanol
Concentration: >98% pure
Chemical Synonyms: 5-Methyl-4-hydroxymethylimidazole
Impurities: Trace organic impurities from synthesis, water (moisture), residual solvents (ethanol, methanol, or dichloromethane may be present in trace amounts if material freshly prepared or not fully evaporated)
Inhalation: Move person to fresh air, keep at rest, seek medical attention if symptoms continue
Skin Contact: Immediately remove contaminated clothing, wash skin with plenty of soap and water, seek medical attention for skin irritation
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, continue rinsing, seek immediate medical help
Ingestion: Rinse mouth, do not induce vomiting unless instructed by medical professional, seek immediate medical advice
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam, water spray
Unsuitable Media: Full water jet (may spread chemical)
Specific Hazards: Thermal decomposition may produce nitrogen oxides, carbon monoxide, carbon dioxide
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear
Firefighting Instructions: Approach fire from upwind, use water mist to cool containers, evacuate area if necessary
Spill Response: Ventilate area, avoid dust formation, evacuate non-essential personnel
Personal Precautions: Wear gloves, safety goggles, lab coat, avoid breathing dust
Clean-up Method: Sweep up and place in container for disposal, avoid generating dust, wash spill site with water and detergent after material pickup
Environmental Precautions: Do not allow product to enter drains, waterways, or soil, inform environmental authorities if large spills occur
Handling: Handle in well-ventilated area, avoid contact with skin, eyes, and clothing, avoid dust generation, use personal protective equipment
Storage Conditions: Keep container tightly closed, store in cool, dry, and well-ventilated place, protect from light, heat sources, and moisture
Incompatible Materials: Strong oxidizing agents, acids, bases
Special Precautions: Use only with chemical fume hood for large scale operations, ensure spill response equipment availability
Exposure Limits: No established occupational exposure limits
Engineering Controls: Use local exhaust ventilation, chemical fume hood recommended
Personal Protective Equipment (PPE): Chemical-resistant gloves (nitrile or neoprene), safety goggles, laboratory coat, respiratory protection for large quantities or insufficient ventilation
Hygiene Measures: Avoid eating, drinking or smoking near chemical, wash hands thoroughly after handling, keep contaminated clothing out of living area
Appearance: White to off-white crystalline powder
Odor: Mild, characteristic
Melting Point: 146-150 °C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water, alcohols, and some polar organic solvents
pH (aqueous solution): Slightly basic (around 8-9)
Vapor Pressure: Not classified, negligible at room temperature
Density: 1.3–1.4 g/cm³
Partition Coefficient (log Kow): Not available
Flash Point: Not available, presumed high due to low volatility
Autoignition Temperature: Data not available
Explosive Properties: No data suggesting explosive hazard under normal handling
Viscosity: Not applicable, solid at room temperature
Chemical Stability: Stable under recommended storage conditions
Reactivity: No rapid or violent reactions under normal conditions
Conditions to Avoid: Heat, moisture, direct sunlight, strong sources of ignition
Incompatible Materials: Strong oxidizing agents, strong acids or bases
Decomposition Products: Nitrogen oxides, carbon oxides, ammonia possible at high temperature
Acute Toxicity: Oral, dermal, and inhalation exposure can cause short-term discomfort such as headache, nausea, skin or eye redness
Skin Corrosion/Irritation: Can cause skin irritation on contact
Eye Damage/Irritation: Serious eye irritation expected upon exposure
Respiratory Sensitization: May cause irritation of respiratory tract if inhaled as dust
Carcinogenicity, Mutagenicity, Reproductive Toxicity: Not classified as carcinogenic by IARC, OSHA, or NTP, no mutagenicity or reproductive toxicity observed in available literature
Potential Routes of Exposure: Skin contact, eye contact, inhalation, ingestion
Symptoms: Redness, dizziness, nausea, respiratory discomfort in sensitive individuals or following high-level exposure
Long-Term Effects: No data indicating chronic effects or bioaccumulation
Toxicity to Aquatic Life: Limited data; low expected chronic aquatic toxicity based on chemical structure and solubility
Persistence and Degradability: Readily biodegradable given low molecular complexity
Bioaccumulation Potential: Low, due to water solubility and expected metabolism
Mobility in Soil: Possible leaching in moist environments; product should not be released into natural waterways
Other Adverse Effects: No evidence for significant hormone disruption or secondary environmental hazard under current use patterns
Product Disposal: Collect in sealed, labeled chemical containers, dispose via licensed hazardous waste contractor
Contaminated Packaging: Triple rinse or otherwise decontaminate, dispose as hazardous chemical waste
Sewage Disposal: Do not dispose via drains or sewers, consult local regulations
Disposal Regulations: Abide by local, regional, and national chemical waste handling requirements
UN Number: Not regulated for ground, air, or maritime transport when in laboratory quantities
Shipping Name: Not listed in current hazardous materials registries for transport
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not considered marine pollutant
Special Transport Precautions: Prevent container breakage, secure packaging to avoid dust release
TSCA Inventory: Listed or exempt
REACH Status: Exempt or registered as required
SARA Title III: Not subject to SARA hazard categories
California Proposition 65: Substance not listed
Other Regulations: Ensure compliance with local and international chemical safety and registration requirements; check for updates on classification and labeling from government sources
