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EC number: 807-935-0 | CAS number: 1244733-77-4
- 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
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in mammalian cells
- Remarks:
- Type of genotoxicity: gene mutation
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2005
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 476 (In Vitro Mammalian Cell Gene Mutation Test)
- GLP compliance:
- yes
- Type of assay:
- mammalian cell gene mutation assay
Test material
- Reference substance name:
- 1-chloropropan-2-yl bis(2-chloropropyl) phosphate; bis(1-chloropropan-2-yl) 2-chloropropyl phosphate; tris(1-chloropropan-2-yl) phosphate; tris(2-chloropropyl) phosphate
- EC Number:
- 807-935-0
- Cas Number:
- 1244733-77-4
- Molecular formula:
- C9H18Cl3O4P
- IUPAC Name:
- 1-chloropropan-2-yl bis(2-chloropropyl) phosphate; bis(1-chloropropan-2-yl) 2-chloropropyl phosphate; tris(1-chloropropan-2-yl) phosphate; tris(2-chloropropyl) phosphate
- Test material form:
- liquid
- Details on test material:
- The test substance comprised a mixture of four commercial samples of TCPP, mixed in equal measure.
Identifier: Fyrol PCF
Supplier: Supresta Netherlands BV
Batch no: 04 103 F-09-04
Physical Appearance: clear, colourless liquid
Received:22 Dec 2004
Storage: room temperature in the dark
MW: 327.5
CAS no: 13674-84-5
purity: >99%
Expiry date: 22 Mar 2005
Identifier: Antiblaze TMCP
Supplier: Albemarle Chemicals UK ltd
Batch no: DM29HT051
Physical appearance: clear colourless liquid
Received: 20 Jan 2005
Storage: room temperature in the dark
MW: 327.6
CAS no: 13674-84-5
purity: >95%
Expiry date: 20 Apr 2005
Identifier: TCPP
Supplier: Elastogran GmbH
Batch no: 00000204N0
Physical appearance: yellow liquid
Received: 17 Jan 2005
Storage: room temperature in the dark
MW: 327.75
CAS no: 13674-84-5
purity: >98%
expiry date: 17 Apr 2005
Identifier: TCPP-Levagard PP
Supplier: LANXESS Deutschland GmbH
Batch no: CH1/14124
Physical appearance: clear colourless liquid
Received: 21 Dec 2004
Storage: under desiccant at room temperature in the dark
MW: 327.6
CAS no: 13674-84-5
purity: 97%
expiry date: 21 Mar 2005
All four components were prepared at identical concentrations (w/v) in sterile anhydrous DMSO, then mixed in the ratio of 1:1:1:1 (v/v) to give a pooled solution of the test article.
Constituent 1
Method
- Target gene:
- thymidine kinase locus
Species / strain
- Species / strain / cell type:
- mouse lymphoma L5178Y cells
- Details on mammalian cell type (if applicable):
- - Type and identity of media: RPMI 1640
- Properly maintained: yes
- Periodically checked for Mycoplasma contamination: yes
- Periodically checked for karyotype stability: not recorded
- Periodically "cleansed" against high spontaneous background: not recorded - Additional strain / cell type characteristics:
- not specified
- Metabolic activation:
- with and without
- Metabolic activation system:
- Aroclor 1254 induced rat liver S9 fraction
- Test concentrations with justification for top dose:
- Initially examined both in the absence and presence of Aroclor 1254 induced rat liver S9 fraction at doses of 62.5, 125, 250, 500, 1000 and 2000 µg/ml. Complete toxicity was observed at 500 µg/ml in the absence of S9 and at 250 µg/ml in the presence of S9. Therefore, for the first experiment doses of 150, 200, 250, 300, 400 and 450 µg/ml without S9 and 80, 100, 112.5, 125, 137.5, 150 and 200 µg/ml with S9 were tested for viability and trifluorothymidine (TFT) resistance. For the second experiment the following doses were plated for viability and TFT resistance: 100, 150, 200, 250, 300, 350, 400 and 450 µg/ml without S9 and 25, 50, 75, 100, 125, 150, 175 and 200 µg/ml with S9. The highest doses 450 and 500 µg/ml without S9 and 250 and 300 µg/ml with S9 were excluded from plating due to excessive cytotoxicity.
- Vehicle / solvent:
- DMSO- the test substance has a solubility of 500mg/ml in DMSO
Controlsopen allclose all
- Untreated negative controls:
- yes
- Remarks:
- DMSO
- Negative solvent / vehicle controls:
- yes
- Remarks:
- DMSO
- True negative controls:
- not specified
- Positive controls:
- yes
- Positive control substance:
- benzo(a)pyrene
- Remarks:
- Migrated to IUCLID6: with metabolic activation
- Untreated negative controls:
- not specified
- Negative solvent / vehicle controls:
- not specified
- True negative controls:
- not specified
- Positive controls:
- yes
- Positive control substance:
- 4-nitroquinoline-N-oxide
- Remarks:
- Migrated to IUCLID6: without metabolic activation
- Details on test system and experimental conditions:
- A 3-hour treatment incubation period was employed for all treatments in the presence and absence of S9 mix. The highest dose of 500 µg/ml without S9 was considered too toxic and was excluded from viability and (TFT) plating. For the second experiment the following doses were plated for viability and TFT resistance: 100, 150, 200, 250, 300, 350, 400 and 450 µg/ml without S9 and 25, 50, 75, 100, 125, 150, 175 and 200 µg/ml with S9. The highest doses of 475 and 500 µg/ml without S9 and 250 and 300 µg/ml with S9 were excluded from plating due to excessive toxicity.
- Evaluation criteria:
- The test article was considered to be mutagenic if all the following criteria were met:
the assay was valid according to the Acceptance criteria; the mutation frequency at one or more doses was significantly greater than that of the negative control (p<0.05); there was a significant dose-relationship as indicated by the linear trend analysis (p<0.05) - Statistics:
- Statistical significance of mutant frequencies (total wells with clones) was carried out according to UKEMS guidelines. The control log mutant frequency (LMF) was compared with the LMF from each treatment dose based on Dunnett's test for multiple comparisons. The data was checked for a linear trend in mutant frequency with treatment dose using weighted regression. The test is one tailed, therefore a negative trend wasnot considered significant. These tests require the calculation of a heterogeneity factor to obtain a modified estimate of variance.
Results and discussion
Test results
- Key result
- Species / strain:
- mouse lymphoma L5178Y cells
- Metabolic activation:
- with
- Genotoxicity:
- positive
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
Any other information on results incl. tables
In the absence of metabolic activation, there was no significant increase in mutation frequency in either the first or second experiment up to toxic doses. In the presence of S9, statistically significant increases in mutation frequency were observed at the highest doses in both the first (137.5, 150 and 200 µg/ml) and second (150, 175 and 200 µg/ml) experiment. The relative total growth (RTG) at these doses were 52, 58 and 41% in the first experiment and 28, 18 and 10% in the second experiment, respectively. Large and small colonies were scored for the doses at which statistically significant increases in mutation frequency were observed. Increases in both small and large colony mutant frequencies were noted as well as a clear increase in the proportion of small colony mutants, indicating potential clastogenic activity.
Applicant's summary and conclusion
- Conclusions:
- When tested up to toxic doses, tris(2-chloro-1methylethyl) phosphate induced mutation at the tk locus of L5178Y mouse lymphoma cells in two independent experiments in the presence of S9, but did not induce mutation in two independent experiemnts in the absence of S9. It is concluded that under the conditons employed in the study, Tris(2-chloro-1-methylethyl) phosphate was mutagenic in this test system in the presence of S9, but not in the absence of S9.
- Executive summary:
When tested up to toxic doses, tris(2-chloro-1methylethyl) phosphate induced mutation at the tk locus of L5178Y mouse lymphoma cells in two independent experiments in the presence of S9, but did not induce mutation in two independent experiemnts in the absence of S9. It is concluded that under the conditons employed in the study, Tris(2-chloro-1-methylethyl) phosphate was mutagenic in this test system in the presence of S9, but not in the absence of S9.
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