© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Chemical Name: 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane
Synonyms: Known in industry circles as a dialkyl peroxide, sometimes shortened to DTBP-3-Hexane.
Appearance: Clear to pale yellow liquid stands out at room temperature—volatile and with a mild, distinguishable odor. The compound starts to show strong reactivity at even slightly elevated temperatures.
Usage: Used mainly as a polymerization initiator and cross-linking agent, it plays a valuable—yet risky—role in plastics, rubbers, and similar materials.
Chemical Formula: C16H34O4, a heavyweight among organic peroxides.
Physical Hazards: The defining hazard sits in its organic peroxide nature. This stuff can catch fire really fast—heating, friction, or even bumping the container can start a runaway reaction.
Health Hazards: Inhalation, ingestion, or contact spells danger: causes severe irritation to eyes, skin, and respiratory system. Getting it on your skin may lead to serious burns or blisters, while vapor can irritate lungs and create headaches or dizziness.
Environmental Hazards: Toxic to aquatic life due to its persistent and reactive qualities; spills hit waterways and stick around, harming fish and smaller organisms.
Pictogram: Flammable, corrosive, and environmental hazard symbols are standard.
Chemical Identity: Main ingredient 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane, present at 86–100% by weight.
Impurities: Peroxide by-products from manufacture can linger and add to instability, showing why strict controls matter.
Inhalation: Remove to fresh air immediately. Exposure often leads to coughing and shortness of breath; oxygen may be required for more serious cases.
Skin Contact: Remove contaminated clothing, flush skin with water for no less than 15 minutes. Avoid reusing gloves or clothing until they’ve been cleaned or disposed of.
Eye Contact: Rinse eyes gently yet thoroughly with water for several minutes, keeping eyelids apart. Constant irrigation can help limit long-term injury; seek medical attention quickly.
Ingestion: Rinsing the mouth is possible; avoid inducing vomiting.
Suitable Extinguishing Agents: Use water spray, foam, or dry chemical. CO2 is less effective since this material relies on oxygen transfer.
Hazardous Combustion Products: Burns with toxic smoke, carbon monoxide, and carbon dioxide, and can create other hazardous organic fumes.
Special Procedures: Firefighters benefit from full protective gear and self-contained breathing apparatus because direct contact with fumes or liquid carries significant risk—staying upwind and removing uninvolved materials helps contain escalation.
Personal Precautions: Ventilate the spill area without delay. Don’t let untrained personnel enter. Any hint of heat or shock should halt efforts until experts arrive.
Environmental Precautions: Keep the chemical out of drains and waterways. Contaminated soil or absorbent material needs collection in tightly sealed containers.
Clean-Up Methods: Use non-sparking tools to transfer liquid to salvage containers. Neutralize with inert absorbents like vermiculite, then segregate from incompatible materials.
Handling: Operators must put on gloves, goggles, and flame-retardant clothing before interacting with this chemical. Avoid all sources of static, spark, open flame, or friction. Work in well-ventilated spaces with strict routine checks.
Storage: Store separately from acids, alkalis, and reducing agents in cool, dry, well-ventilated locations. Dedicated peroxide lockers away from sunlight and heat lowers the risk of accidental decomposition. Limit quantities in storage to minimize the fallout from leaks or fires.
Engineering Controls: Local exhaust ventilation limits airborne exposure and cuts the threat of vapor build-up. Keep wash stations and emergency showers close by.
PPE: Nitrile gloves, full goggles, face shields, and non-porous aprons protect skin and eyes from splashes. Respiratory protection comes into play any time vapor reaches or exceeds recommended exposure limits.
Limits: No established occupational exposure levels for this ingredient, but comparable peroxides set tough standards: keep exposure as low as possible.
Physical State: Liquid
Color: Clear to pale yellow
Odor: Mild, sweet, ether-like smell
Boiling Point: Decomposes before boiling; thermal instability kicks in at moderate temperatures
Flash Point: Estimated below 80°C, flammable vapors arise well before this point
Solubility: Insoluble in water; mixes well with many organic solvents
Vapor Pressure: Moderate
Density: Typical range for peroxides, varies slightly depending on temperature and purity
Chemical Stability: Unstable above room temperature unless stabilized—self-accelerating decomposition can trigger fires or explosions.
Conditions to Avoid: Exposure to UV light, open flames, ignition sources, rough handling, incompatible chemicals.
Incompatibilities: Avoid strong acids, bases, metals, and reducing agents which may speed up hazardous breakdown.
Decomposition Products: Generates flammable and toxic gases, primarily carbon monoxide and carbon dioxide.
Routes of Exposure: Inhalation, skin and eye contact are direct routes; even tiny amounts can trigger burns or irritation.
Acute Toxicity: Breathing in vapors may irritate or inflame the mucous membranes, throat, and lungs. Liquid exposure brings severe dermatitis, blisters, or eye damage.
Chronic Effects: No thorough long-term studies specific to this compound, but ongoing exposure to similar peroxides may heighten sensitivity or lead to respiratory issues.
Carcinogenicity: Not classified as a human carcinogen, but limited data means prudent care remains essential.
Aquatic Toxicity: Indicated as toxic to marine and freshwater organisms at relatively low concentrations; spills require aggressive response.
Persistence and Degradability: Persists due to stability in normal environmental conditions, but quickly breaks down once reacted—by-products risk harm just as much.
Bioaccumulation: Unlikely, but ongoing discharge piles up risk to local biosystems.
Waste Handling: Incinerate through licensed hazardous waste facilities familiar with peroxides. Never pour into sewers or unprotected landfill.
Contaminated Containers: Rinse thoroughly before disposal and handle containers as hazardous, since residues may ignite or decompose.
Shipping Classification: Regarded as a Class 5.2 organic peroxide. Special handling and paperwork tag along for every shipment.
Labeling: Requires flammable and oxidizer hazard labels.
Packaging: Only tested, certified drums or jugs approved for organic peroxides. Temperature controls during shipping are mandatory.
Workplace Safety: Standards draw from both OSHA’s hazardous chemical protocols and international maritime transport codes.
Environmental Release: Rules call for immediate notification in the event of a spill, especially across state or country lines.
Labelling Requirements: Unmistakable pictograms and in-depth risk descriptions order clear communication at every step—anyone working with this material ought to know how real and present the risks get.
