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Diss Factsheets
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EC number: 700-692-0 | CAS number: -
- 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
Appearance/physical state/colour
The sample is a solid paste at 22°C and atmospheric pressure.
Melting point/freezing point
2-phase transitions have been detected. The first phase transition (20°C) is probably due to the transition between solid and paste, where the latter (177°C) will be referred to as the boiling point. Therefore, no obvious melting point has been detected.
Boiling point
The boiling point has been determined to 177 ºC.
Density
The relative density is determined to 980 at 20 °C.
Particle size distribution (Granulometry)
Not applicable. According to ECHA’s Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance: “The study does not need to be conducted if the substance is marketed or used in a non solid or non granular form”.
Vapour pressure
In order to read across with a “worst case scenario” substance the vapour pressure measured on Coco dipropylene triamine(C8 -18dipropylene triamine; CAS#: 91771-18-5), a smaller molecule occuring in low levels in the to be registered substance, was read acrossed
Partition coefficient
Read across is based on Oleyl tripropylene tetramine (C18tripropylene tetramine, CAS# 67228-83-5) and Coco dipropylene triamine, (C8-18dipropylene triamine;CAS#: 91771-18-5). Given that Oleyl tripropylene tetramine (C18tripropylene tetramine) consists of various constituents, among others Oleyl dipropylene triamine (C18dipropylene triamine) and acetate salts increase the water solubility, the partition coefficitent of Oleyl tripropylene tetramine (C18tripropylene tetramine, CAS# 67228-83-5) can be considered as the worst case scenario. The partition coefficient of both test substances is -0.3 at 25.6 °C at pH 6.
Water solubility
According to "Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance", the critical micelle concentration (CMC) can be considered as the solubility limit. Given that the watersolubility of the acetate salt is higher than the watersolubility of the amine the read across is considered as “the worst case scenario”.
Surface tension
The CMC is determined to 46 mg/L at pH 7. Also, the surface tension at 1 g/L and pH 7 has been determined to 36 mN/m.
Given that the watersolubility of the acetate salt is higher than the watersolubility of the amine the read across is considered as “the worst case scenario”.
Flash point
According to Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance, “The flash point is only relevant to liquids and low melting point solids. Therefore, for many substances it is not required.” Therefore, the flammability has been determined instead.
Auto flammability
The auto-ignition temperature of Tallow dipropylene triamine, branched(C12-18diproplyene triamine, branched) has been determined to 300°C at 1 atm. Given that acetate groups increase the auto-ignition temperature it can be assumed that the test substance has a lower autoflammabilty than N-(3-aminopropyl)-NN-(C16-18 evennumbered, 18 unsaturated)-alkylpropane-1,3-diamine acetate.
Flammability
In the screening test Tallow dipropylene triamine(C12-18diproplyene triamine)was tested. The gas flame was applied for 2 minutes to one end of the substance train, but no ignition and no propagation of combustion occurred. Only melting took place where the substance was exposed to the flame. Therefore the substance is not considered as highly flammable and no further testing is required. Given that the tested and to be registered substance structure show significant similarities and the acetate form is considered to have a higher flammability temperature the read across can be considered as a worst case scenario.
Flammability in contact with water
The chemical structure of N-(3-aminopropyl)-NN-(C16-18 evennumbered, 18 unsaturated)-alkylpropane-1,3-diamine acetate does not contain chemical groups, capable of causing the development of a dangerous amount of (flammable) gas (e.g.hydrogen), when in contact with damp air or water. In addition, from experience in handling and use no flammability in contact in water is expected, as the substance is marketed in aqueous solutions. Therefore, the test substance is not considered highly flammable in contact with water
Flammability (pyrophoric properties)
From the structural formula of the to be registered substance N-(3-aminopropyl)-NN-(C16-18 evennumbered, 18 unsaturated)-alkylpropane-1,3-diamine acetate it can be concluded that the substance is not pyrophoric. N-(3-aminopropyl)-NN-(C16-18 evennumbered, 18 unsaturated)-alkylpropane-1,3-diamine acetate does not contain any chemical group that might lead to spontaneous ignition shortly after coming into contact with air at room temperature. In addition, from experience in handling and use no ignition in contact with air is expected
Explosiveness
According to "Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance", “For the majority of substances, explosivity is not a concern and testing can be waived based on a consideration of the structure.” In chapter R.7a a table (Table R.7.1-28) of chemical groups associated with explosive properties is given. The registered substance does not contain any of these chemical groups. Therefore, based on structure, explosive properties are not expected.
Oxidising properties
According to "Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance", “For the majority of substances, oxidising properties are not a concern and testing can be waived based on a consideration of the structure.” In chapter R.7a a table (Table R.7.1-29) of chemical groups associated with oxidising properties is given. N-(3-aminopropyl)-NN-(C16-18 evennumbered, 18 unsaturated)-alkylpropane-1,3-diamine acetate does not contain any of these chemical groups. Therefore, based on structure, oxidizing properties are not expected.
Additional physico-chemical information
As indicated before, the addition of acetate groups to the polyamines increase their water solubility. The polyamines when dissolved in water take up positive charged hydrogens to become cationic substances. As a consequence the water solution becomes alkaline. With the addition of acetic acid, the cationic substance is already present in the Polyamine acetates, linked to the negatively charged acetate ions. The polyamine acetate substance is therefore more easily soluble in water, which can only be explained from the dissociation of the acetate ions, as without that, uncharged molecules would not be easier soluble. Following the dissociation of the polyamine acetate salts, there is no principle difference after absorption of the polyamine structures following exposure as polyamines as such or as polyamine acetate.
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