Product Name: 3-Methyl-1,5-Pentanediol
Chemical Formula: C6H14O2
Synonyms: 3-Methylpentane-1,5-diol
CAS Number: 4457-71-0
Recommended Use: Intermediate for organic synthesis, additive for lubricants and adhesives, solvent applications
Manufacturer: Contact info varies per supplier, check current packaging for emergency numbers
Emergency Phone Number: Refer to regional poison control center or supplier emergency line
GHS Classification: Not classified as hazardous under GHS guidelines for standard handling
Main Hazards: May cause irritation to eyes, skin, and respiratory system; ingestion may result in gastrointestinal discomfort; spillage on floors increases slip risk
Signal Word: None required
Pictogram: No pictogram because hazard level is low
Precautionary Statements: Avoid inhaling vapors and contact with skin and eyes; always use in a well-ventilated area; wear suitable protection; keep containers sealed when not in use
Potential Health Effects: Low acute toxicity, but large amounts may lead to mild to moderate skin or eye irritation, possible effects on gut if swallowed in significant quantity
Chemical Name: 3-Methyl-1,5-Pentanediol
PURITY: Greater than 98% (as supplied by most manufacturers)
Impurities: Minor amounts of water, other trace alcohols under 1% typically
Other Ingredients: None intentionally added
EC Number: 224-603-0
Inhalation: Move person to fresh air, monitor breathing, seek medical attention if symptoms occur
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek medical help if irritation persists
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses if present and easy to do, get medical advice if discomfort persists
Ingestion: Rinse mouth with water; do not induce vomiting unless directed by medical personnel, consult a doctor if large quantity consumed
Most Important Symptoms: Mild skin and eye irritation, coughing if mist is inhaled, stomach upset from accidental large intake
Recommendation for Physician: Treat symptoms, monitor for delayed effects if large exposure occurs
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical powder, carbon dioxide
Unsuitable Media: Direct stream of water may spread fire
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, other toxic vapors at high temperatures
Fire-Fighting Instructions: Approach fire from upwind, use self-contained breathing apparatus, wear full protective gear, cool containers with water spray
Special Hazards: Containers may rupture from heat, run-off from fire water may pollute waterways
Flammability: Not highly flammable under standard storage, but can burn if preheated
Personal Precautions: Avoid contact with skin and eyes, ventilate area, use personal protective equipment
Environmental Precautions: Prevent entry into drains and waterways, contain spillage with absorbent material
Cleanup Methods: Soak up with inert material (sand, earth), collect in suitable container for disposal, clean residue with water
Spill Response Team Guidance: Must wear gloves and goggles; avoid raising vapors; evacuate non-essential personnel from area
Disposal of Cleanup Materials: Place in sealed container for hazardous waste disposal facility
Handling: Use in well-ventilated areas, avoid generating dust or vapor, handle with gloves and eye protection, do not eat or drink during use
Hygiene Measures: Wash hands after handling, isolate work clothing, avoid all unnecessary exposure
Storage: Store tightly closed in original container, keep away from strong oxidizers and acids, room temperature or below preferred, out of direct sunlight, store in dry place
Special Incompatibilities: Avoid contact with strong acids, bases, and oxidizing agents
Recommended Packaging: High-density polyethylene, glass, or metal drums lined to resist alcohol attack
Exposure Limits: No occupational exposure limits set for this compound
Engineering Controls: Use local exhaust or general room ventilation to mitigate vapors
Personal Protective Equipment (PPE): Nitrile or rubber gloves, splash-proof safety goggles, long sleeves or lab coat, respiratory protection if vapor concentrations exceed comfort threshold
Specific Protection for Operators: Do not wear open-toed shoes, use face shields if handling larger volumes or in pressurized application
Environmental Controls: Avoid release to environment, collect used product for regulated disposal
Appearance: Clear, colorless or pale yellow liquid
Odor: Mild sweet alcohol-like smell
Odor Threshold: Not established
pH (neat): Not available
Melting Point: About -7°C
Boiling Point: Between 235 and 237°C
Flash Point: Around 130°C (closed cup)
Evaporation Rate: Low
Flammability: Lower than typical solvents; combustible at higher temperatures
Vapor Pressure: Less than 1 mm Hg at 25°C
Vapor Density: ~4 (air=1)
Solubility: Miscible with water and alcohols
Partition Coefficient (n-octanol/water): log Kow ≈ 0.6
Auto-ignition Temperature: Data not widely published, estimated above 250°C
Decomposition Temperature: Not established
Viscosity: Slightly viscous, typical for diols
Molecular Weight: 118.18 g/mol
Chemical Stability: Maintains integrity under normal handling conditions
Conditions to Avoid: Heat, open flames, strong oxidizing environments
Materials to Avoid: Strong acids, strong bases, oxidizers, reducing metals
Reactivity: Low under standard conditions; reacts with acylating and alkylating agents
Hazardous Decomposition Products: Burning produces carbon dioxide, carbon monoxide, and potentially small amounts of other toxic gases
Polymerization: Does not polymerize spontaneously
Corrosivity: Non-corrosive to most metals and plastics
Acute Toxicity: Animal studies show low acute oral toxicity; estimated LD50 (oral, rat) > 2000 mg/kg
Skin Corrosion/Irritation: Prolonged contact may cause moderate irritation; generally not sensitizing
Serious Eye Damage/Irritation: Causes mild to moderate irritation
Respiratory or Skin Sensitization: Not known to cause allergy-type reactions
Chronic Toxicity: No recognized chronic health effects from casual contact
Mutagenicity: Not considered mutagenic based on available data
Carcinogenicity: Not listed by OSHA, IARC, NTP
Reproductive Toxicity: Not established for this compound
Target Organs: No known specific target organ toxicity
Symptoms of Exposure: Eye redness, itching, stomach upset, dry or cracked skin with repeated contact
Toxicity to Aquatic Life: Little data, but structurally related diols show low toxicity; estimated LC50 (fish, 96 hr) > 100 mg/L
Mobility in Soil: Likely to have moderate mobility due to solubility in water
Persistence and Degradability: Biodegradable, moderate to fast rate in aerobic conditions
Bioaccumulation Potential: Low, based on log Kow
Other Adverse Effects: No known significant environmental hazards; avoid uncaptured releases to water or soil
Waste Handling: Collect in tightly sealed suitable containers; do not flush to drains or water courses
Waste Disposal Methods: Dispose of as hazardous waste in accordance with local, regional, or national regulations
Contaminated Packaging: Rinse empty containers before recycling or disposal; contaminated containers treated as hazardous waste
Recommended Disposal Route: Incineration with appropriate emission controls, preferably local chemical waste incinerators
Special Precautions: Avoid inhalation of vapors from disposal process, keep away from open flames or sources of ignition
UN Number: Not regulated for ground, air, or sea transport
Proper Shipping Name: Not classified as dangerous goods
Hazard Class: Not applicable
Packing Group: Not applicable
Special Precautions for User: Containers should be well-sealed; prevent spillage during transit
Transportation in Bulk: Follow standard practice for organic liquids, separate from foodstuffs
Environmental Hazards: None outlined for bulk transit, but spills should be kept out of waterways
TSCA Status: Listed on United States TSCA inventory
DSL/NDSL (Canada): Listed or meets the criteria for inclusion
REACH (EU): Registered or preregistered; not identified as a Substance of Very High Concern
OSHA Status: Not regulated as a hazardous chemical
SARA Title III: Not subject to reporting under Section 302, 304, 313
State Regulations: Check individual states for additional requirements
Other International Regulations: Japan ENCS and Korea ECL listed; Australia AICS listed
WHMIS Classification: Non-controlled product in terms of Canadian WHMIS
Restrictions: No significant use restrictions, but follow chemical hygiene standard practices
