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EC number: 269-915-2 | CAS number: 68390-97-6 This substance is identified by SDA Substance Name: C16-C18 alkyl dimethyl amine and SDA Reporting Number: 19-040-00.
- 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
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15 December 2011 - 19 March 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Type of method:
- differential scanning calorimetry
- Boiling pt.:
- 321 °C
- Atm. press.:
- 1 001 hPa
- Decomposition:
- yes
- Remarks on result:
- other: Decomposes on boiling
- Conclusions:
- The boiling point of the test item is 321 °C at 1007 hPa.
- Executive summary:
The boiling point of the test substance was determined according to the OECD Guideline 103 using differential scanning calorimetry. At 1007 hPa, the boiling point is 321 °C.
Reference
No endothermic boiling peak is observed. There is an exothermic peak in the 320 to 380 °C region with mean onset 321 °C (see 1) below). This exothermic peak shows pronounced irregularities, indicating an overlap of decomposition and boiling.
To confirm this interpretation, the boiling point was estimated with Syracuse software. The two major components, C16 and C18 alkyl chains, were assumed as the basis for the calculation. The predicted boiling range, 321-346 °C (see 2) below), corresponds to the exothermic peak.
1) Boiling point test results
Measurement |
Onset (°C) |
Atmospheric pressure (hPa) |
#1 |
320.9 |
1007 |
#2 |
320.7 |
1007 |
2) Estimated boiling point (Syracuse)
N,N-dimethyl-C16-alkyl-1-amine: 320.7 °C
N,N-dimethyl-C18-alkyl-1-amine: 345.7 °C
The mean onset (rounded to 321 °C) is selected as giving the best value of the boiling point.
Description of key information
The boiling point of the test item is 321 °C at 1007 hPa.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 321 °C
Additional information
The boiling point of the test substance was determined according to the OECD Guideline 103 using differential scanning calorimetry. At 1007 hPa, the boiling point is 321 °C.
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