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Diss Factsheets
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EC number: 201-071-2 | CAS number: 77-94-1
- 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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Endpoint summary
Administrative data
Description of key information
Additional information
Soil adsorption
The computer program KOCWIN v2.00 (made available by US-EPA) was used to predict the organic-normalised sorption coefficient for soil (Koc). Two different models are used for this purpose: the Sabljic molecular connectivity (MCI) method and the traditional method which is based on the logPow value of the substance. The MCI method is taken more seriously into account, due to the fact that is includes improved correction factors, resulting in a Koc value of 769.9 L/kg for the chemical compound. The traditional method gives a value of 208.2 L/kg, concerning the experimentally determined LogPow of 3.5 (Frischmann, 2011).
Accordingly the substance has a moderate potential for sorption onto soil organic matter.
Further, the adsorption potential to soil / sewage sludge of tributyl acetylcitrate was investigated in a study conducted according to OECD 121 and EU method C.19 using the HPLC method. A log Koc of 4.271 was determined. It can be assumed that the same applies to tributyl citrate (CAS 77 -94 -1) as it is a near analogue to the test substance acetyl tributyl citrate.
Henry`s Law constant
The Henry's Law Constant was calculated with the computer program HENRYWIN (v3.20) made available by the U.S. Environmental Protection Agency. This program estimates the Henry's Law Constant of organic compounds at 25°C by two separate methods that yield two separate estimates. The first method is the Bond Contribution Method and the second is the Group Contribution Method. Both the Group Method and Bond Method are susceptible to estimates resulting in "Missing Fragments". When a compound is split into groups or bonds, one or more of the resulting groups or bonds may not have a value in the library of available values. The Group Method is much more likely to have a "Missing Fragment" occurrence (meaning an HLC estimate is not possible), as in this case: The Group Method showed an “incomplete Result”, using the Bond Method a Henry´s Law Constant of 3.55 E-004 Pa*m3*mol-1 was calculated for the substance tributyl citrate at 25 °C.
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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