α,α-dichlorotoluene

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:

short-term toxicity to aquatic invertebrates

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Justification for type of information:

Experimental study based upon guideline OECD 202

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2019

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

α,α-dichlorotoluene

EC Number:

202-709-2

EC Name:

α,α-dichlorotoluene

Cas Number:

98-87-3

Molecular formula:

C7H6Cl2

IUPAC Name:

(dichloromethyl)benzene

Constituent 2

Reference substance name:

Dichloromethylbenzene

EC Number:

249-854-8

EC Name:

Dichloromethylbenzene

Cas Number:

29797-40-8

IUPAC Name:

(dichloromethyl)benzene

Details on test material:

- Name of test material (as cited in study report): Benzylidenchlorid
No more data available

Sampling and analysis

Analytical monitoring:

yes

Test solutions

Vehicle:

yes

Test organisms

Test organisms (species):

Daphnia magna

Study design

Test type:

static

Water media type:

freshwater

Limit test:

no

Total exposure duration:

48 h

Remarks on exposure duration:

Direct application

Test conditions

Test temperature:

21°C

pH:

7

Salinity:

Not specified

Conductivity:

Not specified

Nominal and measured concentrations:

Measurements at 0, 24, 48h

Details on test conditions:

Not specified

Reference substance (positive control):

yes

Results and discussion

Effect concentrations

Key result

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

>= 2.6 - <= 8.4 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

mobility

Details on results:

The EC50(48h) on immobilization of Daphnia magna exposed to benzal chloride was estimated to be between 2,6 and 8,4 mg/l. Under these test conditions benza lchloride can not be classified based on the CLP regulation (EC) No 1272/2008.

Any other information on results incl. tables

The EC50(48h) on immobilization of Daphnia magna exposed to benzal chloride was  estimated to be between 2,6 and 8,4 mg/l. Under these test conditions benza lchloride can not be classified based on the CLP regulation (EC) No 1272/2008.

Applicant's summary and conclusion

Validity criteria fulfilled:

yes

Conclusions:

The EC50(48h) on immobilization of Daphnia magna exposed to benzal chloride was estimated to be between 2,6 and 8,4 mg/l. Under these test conditions benza lchloride can not be classified based on the CLP regulation (EC) No 1272/2008.