1,1-dimethylpropyl 3,5,5-trimethylperoxyhexanoate

Guidance on Safe Use

First-aid measures

General advice:
Risk of ignition. In case of splashes, remove contaminated clothing and plunge it into water immediately. Wash contaminated clothing before re-use.

Inhalation:
Inhalation of vapours/mists : Move to fresh air. Oxygen or artificial respiration if needed. In case of persistent problems : Hospitalise.

Skin contact:
Wash immediately, abundantly and thoroughly with soap and water. If skin irritation or rash occurs: Get medical advice/ attention.

Eye contact:
Wash immediately, abundantly and thoroughly with water. If irritation persists, consult an ophthalmologist.

Ingestion:
Do NOT induce vomiting. Consult a physician.

Protection of first-aiders:
In case of insufficient ventilation, wear suitable respiratory equipment. Protective suit.

Fire-fighting measures

Extinguishing media

Suitable extinguishing media: Water spray, After cooling : Dry powder

Special hazards arising from the substance or mixture

The product burns violently (protect people from possible projections).
Contact with combustible material may cause fire.
Through thermal decomposition, formation of very reactive free radicals.
Thermal decomposition giving flammable and toxic products :
Alcohols, Organic vapours, Carbon oxides (by combustion)

Advice for firefighters

Specific methods:
Fight fire from a distance (more than 15 m). Containers/tanks should be cooled with water spray. In case of fire nearby, remove exposed
containers. Prohibit all sources of sparks and ignition - Do not smoke.

Special protective actions for fire-fighters:
Wear self-contained breathing apparatus and protective suit.

Accidental release measures

Personal precautions, protective equipment and emergency procedures:

Evacuate non-essential staff and those not equipped with individual protection apparatus. Prohibit all sources of sparks and ignition - Do not smoke. Prohibit contact with skin and eyes and inhalation of vapours. Use personal protective equipment. In case of insufficient ventilation, wear suitable respiratory equipment.

 

Environmental precautions:

Do not release into the environment. Do not let product enter drains. Dam up with sand or inert earth (do not use combustible materials).

 

Methods and materials for containment and cleaning up:

Methods for cleaning up:
After cleaning, flush away traces with water. Recover waste water for processing later.

Recovery:
Never return spills in original containers for re-use. Shovel into suitable container for disposal. Small quantities : Soak up with inert absorbent material (Clean sand). Do not confine. No sparking tools should be used.

Elimination: Please refer to the section "disposal considerations".

Handling and storage

Precautions for safe handling:

Technical measures/Precautions:
Storage and handling precautions applicable to products: Organic Peroxides Liquid. Sensitizing. Dangerous for the environment Provide
appropriate exhaust ventilation at machinery. Provide showers, eye-baths. Provide water supplies near the point of use. Provide selfcontained breathing apparatus nearby. Provide fire-blanket nearby. Provide electrical earthing of equipment.

Safe handling advice:
Strictly limit the quantities of product in the work area to those which are absolutely necessary for the work in hand. Handle and open container with care (risk of overpressurization in containers). Take precautionary measures against static discharges. Protect from contamination. Never return any product to the container from which it was originally removed (risk of decomposition). Never return unused
material to storage receptacle. Prohibit all sources of sparks and ignition - Do not smoke. Never mix peroxides directly with accelerators (risk of explosion). Add each component separately to the resin. In case of insufficient ventilation, wear suitable respiratory equipment.Handling of this product must be in accordance with HSE Guidance Note CS21 The Storage and Handling of Organic Peroxides and with ARKEMA brochure Safe Handling of Organic PeroxidesHandling of this product must be in accordance with HSE Guidance Note CS21 The Storage and Handling of Organic Peroxides and with ARKEMA brochure Safe Handling of Organic Peroxides

Hygiene measures:
Take off immediately all contaminated clothing. Prohibit contact with skin and eyes and inhalation of vapours. When using do not eat, drink or smoke.
Wash hands after handling. Remove contaminated clothing and protective equipment before entering eating areas.

 

Conditions for safe storage, including any incompatibilities:

Store in well insulated area (peroxide area) away from other substances. Storage buildings must be built and equipped so as not to exceed the maximum proscribed temperature limit. Use non-combustible construction materials. Keep tightly closed in a dry, cool and well-ventilated place. Keep away from heat and sources of ignition. Do not smoke. Store in original container. Use only very clean containers and equipment free from traces of impurities. Never return unused material to storage receptacle. Do not reuse empty packaging to store other products. Provide earthing and safe electrical equipment. Provide a catch-tank in a bunded area. Provide impermeable floor. Consult ARKEMA before storage design.

Storage of this product must be in accordance with HSE Guidance Note CS21 The Storage and Handling of Organic Peroxides.

Storage of this product must be in accordance with HSE Guidance Note CS21 The Storage and Handling of Organic Peroxides.
Storage period: < 6 Months (to maintain the technical properties of the product).
Do not store above: 30 °C

Incompatible products:
Strong oxidizing agents Powerful reducers Acids Bases Amines transition metal salts Sulphur compounds Rust, ash, dusts (risk of selfaccelerating exothermic decomposition)

Packaging material:
Recommended: High density polyethylene (HDPE), Polytetrafluoroethylene (PTFE), Stainless steel
To be avoided: Ordinary metals (ordinary steel), copper, rubber (natural or synthetic), Glass - Stoneware (risk of contents spurting or
spraying out if container ruptures due to overpressurization)

Transport information

Land transport (UN RTDG/ADR/RID)

UN number:

3105

Shipping information

Proper shipping name and description:

ORGANIC PEROXIDE TYPE D, LIQUID (tert-AMYL PEROXY-3,5,5-TRIMETHYLHEXANOATE)

Chemical name:

tert-AMYL PEROXY-3,5,5-TRIMETHYLHEXANOATE

Class or division:

Class 5: Oxidizing substances and organic peroxides; Division 5.2

Labels:

5.2

SpecialProvisions

Inland waterway transport (UN RTDG/ADN(R))

UN number:

Not permitted for transport

Shipping

Remarks

Marine transport (UN RTDG/IMDG)

UN number:

3105

Shipping information

Proper shipping name and description:

ORGANIC PEROXIDE TYPE D, LIQUID (tert-AMYL PEROXY-3,5,5-TRIMETHYLHEXANOATE)

Chemical name:

tert-AMYL PEROXY-3,5,5-TRIMETHYLHEXANOATE

Class or division:

Class 5: Oxidizing substances and organic peroxides; Division 5.2

Labels:

5.2

Marine pollutant

Remarks

Air transport (UN RTDG/ICAO/IATA)

UN number:

Not permitted for transport

Shipping

Remarks

SpecialProvisions

Exposure controls / personal protection

General protective measures:

Provide appropriate exhaust ventilation at machinery.

 

Personal protective equipment:

Respiratory protection: In case of insufficient ventilation, wear suitable respiratory equipment.
In the case of hazardous fumes, wear self contained breathing apparatus.

Hand protection: Gloves (PVC, neoprene, nitrile rubber)

Eye/face protection: Safety glasses/goggles and face-mask (during discharge)

Skin and body protection: Protective suit

Environmental exposure controls: Please refer to section "Accidental release measures".

Stability and reactivity

Chemical stability:

The product is stable under normal handling and storage conditions.

 

Possibility of hazardous reactions:

Organic peroxides. At high temperature : risk of violent reaction (decomposition)
No decomposition if stored and applied as directed.

 

Conditions to avoid:

Temperatures above 30 °C
(to maintain the technical properties of the product).
Keep away from heat and sources of ignition (risk of exothermic decomposition).

 

Incompatible materials to avoid:

Strong oxidizing agents, Reducing agents, Acids, Bases, Sulphur compounds, heavy metal compounds, heavy metals, rust, Ash, dusts (risk of self-accelerating exothermic decomposition)
Follow conditions of use with : accelerators (amines, metallic salts).

 

Hazardous decomposition products:

Thermal decomposition:

Decomposition temperature: 111 °C
Through thermal decomposition, formation of very reactive free radicals.
Thermal decomposition giving flammable and toxic products :
Tert-amyl alcohol, Organic vapours, Carbon oxides (by combustion)

Half-life of peroxide in solvent:

Benzene (0,2 Mol/l):
10 h (at 98 °C)

Disposal considerations

Waste treatment methods:

Disposal of product: Do not dispose of waste into sewer. Eliminate the product by incineration after dilution in a suitable flammable solvent (in accordance with local and national regulations). For further information, please contact: ARKEMA

Disposal of packaging: Do not release into the environment. Destroy packaging by incineration at an approved waste disposal site (in accordance with local and national regulations).