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EC number: 210-258-8 | CAS number: 611-19-8
- 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
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 2 004
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- α,2-dichlorotoluene
- EC Number:
- 210-258-8
- EC Name:
- α,2-dichlorotoluene
- Cas Number:
- 611-19-8
- Molecular formula:
- C7H6Cl2
- IUPAC Name:
- 1-chloro-2-(chloromethyl)benzene
- Details on test material:
- IUCLID4 Test substance: A01-03:Wako Pure Chemical Industries, Ltd., Purity 99.6 %, Lot No. PAM5243
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
Test organisms
- Test organisms (species):
- Oryzias latipes
Study design
- Test type:
- flow-through
Results and discussion
Effect concentrations
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- 0.27 mg/L
Any other information on results incl. tables
- Sublethal observations / clinical signs:
RS-Freetext:
[Measured Concentrations]
All of the measured concentrations were between 80 and 120%
of the nominal concentrations (Table 1). Thus the nominal
concentrations were used for calculating effect values.
Table 1.Measured concentrations of the test solutions in the
96-hour acute toxicity test on Oryzias latipes under the
flow-through test conditions
========================================================
Nominal Measured concn. Arithmetic Measured/Nominal
concn. (mg/l) mean (%)
--------------------------------------------
(mg/l) 0 h 48 h (mg/l) 0 h 48h
--------------------------------------------------------
Control < 0.005 < 0.005 --- --- ---
Solv. cont. < 0.005 < 0.005 --- --- ---
0.10 0.100 0.101 0.101 100 101
0.18 0.158 0.183 0.171 88 102
0.32 0.368 0.287 0.328 115 90
0.56 0.543 0.513 0.528 97 92
1.0 0.971 1.05 1.01 97 105
========================================================
[Water Chemistry]
Table 2.pH values of the test solutions in the 96-hour acute
toxicity test on Oryzias latipes under the flow-through test
coditions
========================================================
Cont. Solv. Nominal concn. (mg/l)
----------------------------------
Hours cont. 0.10 0.18 0.32 0.56 1.0
--------------------------------------------------------
0 7.2 7.2 7.2 7.2 7.2 7.2 7.2
24 7.4 7.3 7.3 7.3 7.3 7.3 7.2
48 7.3 7.3 7.3 7.2 7.2 7.2 7.2
72 7.2 7.2 7.2 7.1 7.1 7.1 ND
96 7.3 7.3 7.3 7.3 7.3 ND ND
========================================================
ND: Not determined because all fishes were dead at this
time.
Table 3.Dissolved oxygen concentrations (DO) of the test
solutions in the 96-hour acute toxicity test on Oryzias
latipes under the flow-through test conditions
========================================================
Cont. Solv. Nominal concn. (mg/l)
cont. ---------------------------------
Hours 0.10 0.18 0.32 0.56 1.0
--------------------------------------------------------
0 8.8 8.8 8.6 8.7 8.8 8.8 8.7
24 8.5 8.6 8.5 8.5 8.7 8.6 8.7
48 8.5 8.6 8.5 8.6 8.6 8.6 8.8
72 9.0 8.9 8.9 8.9 8.9 9.1 ND
96 8.7 8.9 8.6 8.6 8.8 ND ND
========================================================
ND: Not determined because all fishes were dead at this
time.
[Effect Data]
LC50 (96 hr) : 0.27 mg/l(Table 4 & 5)
LC0 (96 hr) : 0.18 mg/l(Table 4 & 6)
LC100 (96 hr) : 0.56 mg/l(Table 4 & 6)
NOEC (96 hr) : 0.18 mg/l(Table 4 & 7)
Table 4.Cumulative numbers of deaths in the 96-hour acute
toxicity test on Oryzias latipes under the flow-through test
conditions
========================================================
Nominal concn. Cumulative number of deaths(a)
----------------------------------------
(mg/l) 24hr 48hr 72hr 96hr
----------------------------------------------------------
Control 0 (0) 0 (0) 0 (0) 0 (0)
Solv. Control 0 (0) 0 (0) 0 (0) 0 (0)
0.10 0 (0) 0 (0) 0 (0) 0 (0)
0.18 0 (0) 0 (0) 0 (0) 0 (0)
0.32 0 (0) 0 (0) 4 (40) 8 (80)
0.56 1 (10) 8 (80) 10 (100) 10 (100)
1.0 2 (20) 10 (100) 10 (100) 10 (100)
=========================================================
(a):Percentage of dead animals compared to the total animals
tested is shown in parentheses.
Table 5.Calculated LC50 values based on the nominal
concentrations in the 96-hour acute toxicity test on Oryzias
latipes under the flow-through test conditions
========================================================
Exposure LC50 95% confidence limit Statistical
Period (mg/l) (mg/l) method
(hours)
--------------------------------------------------------
24 > 1.0 not calculated Binominal
48 0.47 not calculated Binominal
72 0.34 not calculated Binominal
96 0.27 not calculated Binominal
========================================================
Table 6.Maximum concentrations causing 0% mortality and
Minimum concentrations causing 100% mortality based on the
nominal concentrations in the acute toxicity test on
Oryzias latipes under the flow-through test conditions
===================================================
Exposure time
24 hr 48 hr 72 hr 96 hr
---------------------------------------------------
Maximum concn. (mg/l) 0.32 0.32 0.18 0.18
causing 0% mortality
Minimum concn. (mg/l) > 1.0 1.0 0.56 0.56
causing 100% mortality
===================================================
Table 7.Visible abnormalities in the 96-hour acute toxicity
test on Oryzias latipes under the flow-through test
conditions
=======================================================
Nominal Symptom
concn. ----------------------------------------
(mg/l) 24hr 48hr 72hr 96hr
-------------------------------------------------------
Control Normal Normal Normal Normal
Solv. Control Normal Normal Normal Normal
0.10 Normal Normal Normal Normal
0.18 Normal Normal Normal Normal
0.32 Normal le le, ss, es es
0.56 le, ss le, ss ---a ---a
1.0 le, ss ---a ---a ---a
========================================================
le: Lethargy
ss: Surface slicks
es: Erratic swimming
a: No observation was made because all fishes were dead at
this time.
Applicant's summary and conclusion
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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