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EC number: 479-940-2 | CAS number: 613246-75-6
- 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
Hydrolysis
In contact with water the Sika Härter LJ will hydrolyse rapidly.
Additional information
Hydrolysis
Sika Härter LJ belongs to a class of polyaldimine compounds used as hardeners for polyurethane moisture hardening preparations. Upon contact with water, the hardening process is initiated and the hardener rapidly degrades. The hydrolysis products are Polyetheramin D230 (CAS No. 9046-10-0) and 2,2-Dimethyl-3-lauroyloxy-propanal (CAS No. 102985-93-3). According to non-GLP data from the manufacturer hydrolysis of Sika Härter LJ is acid catalysed. In order to assess the hydrolysis time different hydrolysis measurements (short term and long term) with flow injection analysis mass spectrometry (FIA-MS) were tested. A direct injection of the test item diluted in water free methanol into the FIA-MS, exposed to acetous and bidest. water, was performed for the short term measurement. The long term measurement contained the exposure of the test item with bidest water, acetous water and slightly carbonated water and the periodical recording of the FIMS measures. The results are as follows:
a) hydrolysis with acetous water (1% acetic acid):< 2 sec
b) hydrolysis with bidest. water.>> 2 sec
c) hydrolysis with acetous water as a function of time:< 5 min
d) hydrolysis with bidest. water as a function of time:≥ 20 min
e) hydrolysis with slightly carbonated water as a function of time:< 20 min
Due to its use, Sika Härter LJ has a very limited stability in water as it needs to react rapidly upon contact with water.
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