Registration Dossier
Registration Dossier
Data platform availability banner - registered substances factsheets
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 200-915-7 | CAS number: 75-91-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Guidance on Safe Use
Administrative data
First-aid measures
Product-Specific hazards and other issues :
- Corrosive, can cause severe burns to mucus membranes, gastrointestinal mucosa, skin and
eyes. Can cause severe eye defects leading to permanent vision loss.
Systemic poisoning with effects on CNS and blood are possible.
General advice
- Always observe self protection methods.
- Move out of dangerous area.
- Remove contaminated shoes and clothing.
- Get medical attention immediately.
- Show this material safety data sheet to the doctor in attendance.
Inhalation
- Remove to fresh air and keep at rest in a position comfortable for breathing.
- Do not leave the victim unattended.
- Keep patient warm and at rest.
- Immediately seek medical attention.
- If breathing is difficult, give oxygen.
- If unconscious place in recovery position and seek medical advice.
- In the event of unconsciousness , apnea or cardiac arrest (no Pulse) apply cardiopulmonary
resuscitation. Do not use mouth to mouth or mouth to nose method of resuscitation, as cross
contamination or exposure can occur to the rescuer.
Skin contact
- Immediately flush affected area with plenty of soap and water for at least 15 minutes while
removing contaminated clothing and shoe.
- Get medical attention immediately.
Eye contact
- Immediately flush eyes with water thoroughly and continuously for 15 minutes.
- Immediately get medical attention and provide for further treatment by an ophthalmologist due
to possible caustic burn of the eyes. Do not stop rinsing the eyes while taking patient to hospital.
Ingestion
- Get medical attention immediately.
- Clean mouth with water and drink afterwards plenty of water.
- Do NOT induce vomiting.
- Do not give milk or alcoholic beverages.
- Never give anything by mouth to an unconscious person.
- If vomiting does occur, have victim lean forward to reduce risk of aspiration.
- Do not leave the victim unattended.
- Keep patient warm and at rest.
- If unconscious place in recovery position and seek medical advice.
- In the event of unconsciousness, apnea or cardiac arrest (no Pulse) apply cardiopulmonary
resuscitation. Do not use mouth to mouth or mouth to nose method of resuscitation, as cross
contamination or exposure can occur to the rescuer.
Advice to Physician :
- Treat symptomatically. Treatment of overexposure should be directed at the control of
symptoms and the clinical condition of the patient.
- Can cause severe burns to mucus membranes, gastrointestinal mucosa, skin and eyes.
Complications of ingestion include ruptured viscus, coma, seizures and cardiac arrest.
Dermal and ocular exposures may result in severe burns with ulceration or perforation. Injury is
possibly delayed.
Inhalation can cause severe mucous membrane irritation and even corrosion. Acute lung injury
with pulmonary edema (can be delayed) and respiratory arrest is possible.
Systemic poisoning with acidosis, hemolysis, methemoglobin formation, shock, coma, seizures,
disturbance of liver and kidney function is possible.
Fire-fighting measures
Product-specific hazards and other issues :
Suitable extinguishing media
- SMALL FIRE: Use dry chemicals, CO2, water spray or alcohol-resistant foam
- LARGE FIRE: Use water spray, water fog or alcohol-resistant foam
Unsuitable Extinguishing Media Do not use solid water stream.
Fire may produce irritating, corrosive and/or toxic gases.:
- Vapor can burn in absence of air and may be flammable at either elevated temperature or
reduced pressure.
- Fine sprays/mists may be combustible at temperatures below normal flash point.
- Heat can cause exothermic decomposition.
- When evaporated, residual liquid will concentrate in TBHP content and may reach explosive
level (>90%).
- Run-off may create an explosion, fire, and environmental hazard.
- Burning material may release gases, rupture closed containers, spreading fire, increasing risk of
burns/injuries. Availability of other combustibles may hasten burning, spreading fire.
- Flood fire area with water form a distance.
- Do not use straight streams.
- Move containers from fire area if you can do it without risk.
- Do not move cargo or vehicle if cargo has been exposed to heat.
- Fight fire from maximum distance or use unmanned hose holders or monitor nozzles.
- Use water spray/fog for cooling.
- Always stay away from tanks engulfed in fire.
- For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw
from area and let fire burn.
- Notify authorities immediately if liquid enters sewer/public waters.
Further information :
Special protective equipment for fire-fighters
-Do not enter fire area without proper protection.
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Wear chemical protective clothing that is specifically recommended by the manufacturer. It may
provide little or no thermal protection.
- Structural firefighters protective clothing will only provide limited protection.
Accidental release measures
Product-specific hazards and other issues
General information :
Personal precautions :
- Use personal protective equipment.
- Ensure adequate ventilation.
- Evacuate personnel to safe areas.
Methods for cleaning up
- Highly flammable liquid.
- Highly reactive material.
- Do not clean-up or dispose of, except under supervision of a specialist.
- Extinguish all ignition sources.
- Release can cause fire/explosion/health/environmental hazards.
- Liquids or vapors may ignite/react with other materials.
- Evacuate/limit access.
- Keep combustibles (wood, paper, oil, etc) away from spilled material.
- Do not touch damaged containers or spilled material unless wearing appropriate protective
clothing.
- Keep substance wet using water spray.
- Stop leak if you can do it without risk.
- Take up small spills with inert, damp, noncombustible material using clean non-sparking tools
- and place into loosely covered plastic containers for later disposal.
- For large spills:
- Wet down with water and dike for later disposal.
- Prevent entry into waterways, sewers, basements or confined areas.
Handling and storage
Handling
Product-specific hazards and other issues
General information :
Advice on safe handling
- For industrial use only.
- Closed containers may generate internal gas pressure by decomposition (oxygen) which can
accelerate burning of combustibles.
- Overpressure may rupture container/cause serious injury/result in or accelerate fire.
- Provide nitrogen pad to dilute any free oxygen buildup and prevent any hydroperoxide self-
combustion.
- Use only non-sparking tools.
- Properly ground containers before beginning transfer.
- All equipment must conform to applicable electrical code.
- Minimize formation of sprays during transfer.
- Inspect frequently to identify bulging or leaking containers.
- Isolate/depressure if safe to do so.
- Do not steam purge systems containing this material until they have been properly flushed with
a suitable material such as mineral oil, kerosene, TBA, etc - depending on system compatibility.
Isolate, vent, drain, wash and purge systems or equipment before maintenance or repair.
- Extinguish all ignition sources.
- Check atmosphere for explosiveness and oxygen deficiencies.
- Wear recommended personal protective equipment.
- Observe precautions pertaining to confined space entry.
Advice on protection against fire and explosion
- Avoid formation of aerosol.
- Keep away from sources of ignition - No smoking.
- Take measures to prevent the build up of electrostatic charge.
- Keep away from combustible material.
Storage
Requirements for storage areas and containers : - Keep away from open flames, hot surfaces and sources of ignition.
- Keep away from reducing agents.
- Protect from contamination.
- Store so fire extinguishing media can be applied to all containers from a safe distance/protected
location.
- Store between 50-100°F (10-38°C).
Recommended and Unsuitable Materials for Storage :
Container Advice : Stainless steel
Transport information
Land transport (UN RTDG/ADR/RID)
- UN number:
- 3109
Shipping information
- Proper shipping name and description:
- ORGANIC PEROXIDE TYPE F, LIQUID
- Chemical name:
- TERT-BUTYL HYDROPEROXIDE <=70% IN WATER
- Language:
- English
- Labels:
- 5.2 (8)
Special provisions / remarks
- Special provisions:
- Hazard Identification Number : 539
Inland waterway transport (UN RTDG/ADN(R))
- UN number:
- 3109
Shipping information
- Proper shipping name and description:
- ORGANIC PEROXIDE TYPE F, LIQUID
- Chemical name:
- TERT-BUTYL HYDROPEROXIDE <=70% IN WATER
- Language:
- English
- Labels:
- 5.2 (8)
Remarksopen allclose all
Marine transport (UN RTDG/IMDG)
- UN number:
- 3109
Shipping information
- Proper shipping name and description:
- ORGANIC PEROXIDE TYPE F, LIQUID (TERT-BUTYL HYDROPEROXIDE <=70% IN WATER)
- Chemical name:
- tert-butyl hydroperoxide
- Labels:
- 5.2 (8)
- Marine pollutant
Special provisions / remarks
- Remarks:
- TERT-BUTYL HYDROPEROXIDE <=70% IN WATER
Toxic to the Aquatic Environment Mark Required
Air transport (UN RTDG/ICAO/IATA)
Shippingopen allclose all
Special provisions / remarks
- Remarks:
- Not Supported
If transportation information is required, please contact Logistics Compliance at: dangerousgoods@lyondellbasell.com
SpecialProvisionsopen allclose all
Exposure controls / personal protection
Engineering measures :
- Electrical equipment should be grounded and conform to applicable electrical code. Provide
local exhaust or general room ventilation to minimize exposure to vapors. Both local exhaust
and good general room ventilation must be provided not only to control exposure but also to
prevent formation of flammable mixtures.
Personal protective equipment
Respiratory protection
In case of dusts/vapours/aerosols being formed or if the limit values like TLV are exceeded:
use respiratory equipment conforming to EN140 with suitable filter (filter type A) or wear a self contained respiratory apparatus
Hand protection
Chemical-resistant protective gloves (EN 374) for example, butyl rubber (Butyl) gloves; Material thickness 0.5 mm, Break through time >= 480 min. Source: GESTIS substance database (hazardous substance information system of commercial professional associations)
Suitability for specific workplaces should be clarified with protective glove manufacturers.
Gloves should be discarded and replaced if there is any indication of degradation or chemical breakthrough.
Before removing gloves clean them with soap and water.
Selection of appropriate personal protective equipment should be based on an evaluation of the performance characteristics of the protective equipment relative to the task(s) to be performed, conditions present, duration of use, and the hazards and/or potential hazards that may be encountered during use.
Eye protection
- Eye protection, including both chemical splash goggles and face shield, must be worn when
possibility exists for eye contact due to splashing/spraying liquid, airborne particles, or vapor.
Skin and body protection
- Choose body protection according to the amount and concentration of the dangerous substance
at the work place
- Use PPE that is chemical resistant to the product and prevents skin contact.
- Fire retardant clothing is appropriate for routine occupational use.
- The equipment must be cleaned thoroughly after each use.
Hygiene measures
- Selection of appropriate personal protective equipment should be based on an evaluation of the
performance characteristics of the protective equipment relative to the task(s) to be performed,
conditions present, duration of use, and the hazards and/or potential hazards that may be
encountered during use.
- Emergency eye wash fountains and safety showers should be available in the immediate vicinity
of any potential exposure.
- Use good personal hygiene practices.
Wash hands before eating, drinking, smoking, or using toilet facilities.
Take off contaminated clothing and wash before reuse.
- Avoid contact with skin, eyes and clothing.
- When using do not eat or drink.
- When using do not smoke.
- Wash hands before breaks and immediately after handling the product.
Environmental exposure controls
General advice
- Do not flush into surface water or sanitary sewer system.
- Prevent further leakage or spillage if safe to do so.
- If the product contaminates rivers and lakes or drains inform respective authorities.
Stability and reactivity
Chemical stability
- Stable under recommended storage conditions.
Possibility of hazardous reactions
- Hazardous reactions : Not expected to occur.
Vapors may form explosive mixture with air.
Conditions to avoid
- Conditions to avoid : Prolonged exposure to heat, fire, or any conditions which would concentrate the liquid.
Incompatible materials
- Materials to avoid : Metal compounds.
Oxidizable materials.
Reducing agents.
Sulfur compounds.
Ketones.
Hazardous decomposition products
- Hazardous decomposition products : Not expected to decompose under normal conditions
- Thermal decomposition : Thermal decomposition may produce carbon monoxide and other toxic vapors.
High temperatures/chemical contamination can liberate gaseous oxygen causing hazardous pressure build-up.
Incomplete combustion can result in the production of carbon monoxide, carbon dioxide and other toxic gases.
Disposal considerations
Product :
- Contaminated product, soil or water containing undecomposed reactive components may be hazardous waste.
- Landfill solids at permitted sites.
- Use registered transporters.
- Concentrated liquid waste may be reacted harmlessly by combining with dilute (less than 10%) sodium bisulfite (reducing agent) and alkali solution/mixing thoroughly until reaction heat dissipates.
- Resulting solution may be biologically treatable.
- Assure effluent complies with applicable regulations.
- The product should not be allowed to enter drains, water courses or the soil.
- Do not contaminate ponds, waterways or ditches with chemical or used container.
Contaminated packaging :
- Empty remaining contents.
- Dispose of as unused product.
- Do not re-use empty containers.
- Do not burn, or use a cutting torch on, the empty drum.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.