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EC number: 201-128-1 | CAS number: 78-63-7
- 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
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Flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- pyrophoric liquids
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied
- Endpoint:
- flammable solids
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the substance is a liquid
- Endpoint:
- substances / mixtures which in contact with water emit flammable gases
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the experience in production or handling shows that the substance does not react with water, e.g. the substance is manufactured with water or washed with water
- Endpoint:
- self-heating substances / mixtures
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- the study does not need to be conducted for organic peroxides
Referenceopen allclose all
Description of key information
The endpoint is waived: di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is classified as a peroxide type C. Flammability is an intrinsic hazard in this class. The classification of organic peroxides into one of the seven categories of “Types A to G” is given in decision logic Figure 2.15.1 of CLP, based on the test series A to H, as described in the Part II of the UN-MTC. The method is not applicable because according to the ECHA guidance in the application of CLP criteria, 2.8.3.
Key value for chemical safety assessment
- Flammability:
- flammable
Additional information
Test A10:Test method only applicable for solids.
Test A12: water reactivity:
Based on the molecular structure as well as experience in handling and use shows that the substance has no water reactive properties.
Test A13: pyrophoric properties:
Based on the molecular structure as well as experience in handling and use shows that the substance has no pyrophoric properties.
According to Guidance on information requirements and chemical safety assessment, R7a, Endpoint specific guidance, R.7.1.10.4, the UN test series A - H for self-reactivesubstances and mixtures, do not need to be conducted as the substance is classified as organic peroxide.
According to Guidance on information requirements and chemical safety assessment, R7a, Endpoint specific guidance, R.7.1.10.7, the UN Test method N.4, for self-heating substances and mixtures does not need to be conducted as the substance is classified as organic peroxide.
According to chapter 2.15 of the CLP regulation, organic peroxides are thermally unstable substances or mixtures, which can undergo exothermic self-accelerating decomposition. In addition, they can have one or more of the following properties:
(i) be liable to explosive decomposition;
(ii) burn rapidly;
(iii) be sensitive to impact or friction;
(iv) react dangerously with other substances.
An organic peroxide is regarded as possessing explosive properties when in laboratory testing the mixture (formulation) is liable to detonate, to deflagrate rapidly or to show a violent effect when heated under confinement.
The classification of an organic peroxide in one of the seven categories “Types A to G” is dependent on its detonation, thermal explosion and deflagrating properties, its response to heating and the concentration
Justification for classification or non-classification
Based on the results of the UN-MTC tests (below) and the decision logic, Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is classified as a peroxide type C.
Substance name |
CAS |
Trade name |
Leads max. concentration |
Leader |
Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide |
78-63-7 |
Trigonox 101 |
100% |
AkzoNobel |
Phys-chem UN testing |
UN test method |
Concentration |
Evaluation and Results |
Reference* |
|
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Propagation of detonation test series A |
A.1,BAM 50/60 steel tube test |
100% |
17 cm, No |
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Propagation of deflagration test series C |
C.1, Time/Pressure test |
100% |
8839 ms, Yes slowly |
|
|
C.2, Deflagration test |
100% |
0.06 mm/s, No |
|
Effect of heating under defined confinement test series E |
E.1, Koenen test |
100% |
2.0 mm (F), Violent |
|
|
E.2, Dutch pressure vessel test |
100% |
3.0 mm (10 g), Low |
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Explosive power test series F |
F.3, Trauzl Test |
100% |
Not needed for Type C |
|
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Self Accelerating Decompostion Temperature (SADT) test series H |
H.4, Heat accumulation storage test (400 ml Dewar vessel) |
100% |
80 ºC |
|
*All Data are Company Data/ DATATOP/ UN Test Manual |
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Organic Peroxide, Type C, Liquid, 3103 |
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.
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