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EC number: 220-778-7 | CAS number: 2896-70-0
- 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
Endpoint summary
Administrative data
Description of key information
Additional information
Value used for CSA |
Discussion |
|
Physical state at 20°C and 1013 hPa |
The substance, as manufactured, is a dark red liquid. |
Reliability rating: Klimisch 1 The study was performed in accordance with the relevant guideline but not to GLP; however this was considered not to have affected the result. |
Melting / freezing point |
4.8 - 8.3 °C |
Reliability rating: Klimisch 2 The study was conducted to OECD guideline 102, although not to GLP. |
Boiling point |
Decomposes before reaching the boiling point (onset temperature ca. 139°C). |
Reliability rating: Klimisch 2 The study was conducted to OECD guideline 103, using differential scanning calorimetry. |
Density |
1.035 at 20°C |
Reliability rating: Klimisch 2 The in-house study was conducted to OECD guideline 109, although not to GLP. |
Particle Size |
Waived |
Substance manufactured and marketed as a liquid. |
Vapour pressure |
2.254 Pa at 25°C |
Reliability rating: Klimisch 1 The vapour pressure of a sample of 4 -Oxo-Tempo (purity 93.79% w/w) was determined in a study performed in accordance with OECD 104 and EU Method A4 and to GLP. |
Partition coefficient n-octanol/water (log value) |
0.28 at 22°C, pH 7. |
Reliability rating: Klimisch 2 The octanol: water partition coefficient of a sample of 4-Oxo Tempo was determined in an in-house study, conducted to OECD guideline 107, although not to GLP. |
Water Solubility |
216 g/L at 20°C |
Reliability rating: Klimisch 2 An in-house study was conducted according to OECD 105. |
Surface tension |
Waived |
Not a desired property of the substance, therefore testing not required. |
Flash point |
>85°C |
Reliability rating: Klimisch 2 An in-house study was conducted according to EU method A9. |
Auto-Flammability |
60oC, Type G |
Reliability rating: Klimisch 1 Testing in accordance with Division 4.1 (self-reactive substances) the prescribed tests according to the flow-chart scheme for self-reactive substances (UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, CT/SG/AC.10/11/Rev. 5, 2009, section 20, fig. 20.1 a/b. |
Flammability |
Not flammable |
Based on flash point data. |
Explosiveness |
Not explosive |
Reliability rating: Klimisch1 Testing in accordance with EU Method A.14 demonstrates conclusively the substance is not explosive. |
Oxidising properties |
Not oxidising |
Reliability rating: Klimisch 1 Testing in accordance with EU Method A.14 demonstrates conclusively the substance is not oxidising. |
Stability in organic solvents and identity of relevant degradation products |
Stable at 30%w/w in methanol and ethyl benzene for at least 36 days (dark, 22±2 °C) |
Reliability rating: Klimisch 1 No guideline available – performed in accordance with ECHA Guidance on Information Requirements and Chemical Safety Assessment Chapter 7a, 7.1.16, May 2008. |
Dissociation constant |
Waived |
No ionisable functionality. |
Viscosity |
35.4 Centipoise (mPa.s) |
Reliability rating: Klimisch 2 Non-GLP, in-house study performed in accordance with OECD 114. |
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.
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