o-cresol

Toxicity to aquatic plants other than algae

Administrative data

Endpoint:

toxicity to aquatic plants other than algae

Type of information:

experimental study

Adequacy of study:

other information

Reliability:

3 (not reliable)

Rationale for reliability incl. deficiencies:

other: Unsuitable test system

Data source

Reference

Reference Type:

publication

Title:

The physiological activity of substitutedphenols. I. Relationships between chemical structure and physiological activity

Author:

Blackman GE, Parke MH, Garton G

Year:

1955

Bibliographic source:

Arch. Biochem. Biophysics, 54, 45-54

Materials and methods

Principles of method if other than guideline:

biological assay of activity (physiological effects)

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

o-cresol

EC Number:

202-423-8

EC Name:

o-cresol

Cas Number:

95-48-7

Molecular formula:

C7H8O

IUPAC Name:

o-cresol

Details on test material:

purity not specified

Sampling and analysis

Analytical monitoring:

no

Test solutions

Vehicle:

not specified

Test organisms

Test organisms (species):

Lemna minor

Study design

Test type:

static

Water media type:

freshwater

Total exposure duration:

72 h

Test conditions

Test temperature:

25+/-1°C

pH:

5.1

Results and discussion

Effect concentrations

Duration:

72 h

Dose descriptor:

other: physiological effects

Effect conc.:

746 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

other: phytotoxicity

Any other information on results incl. tables

RM-Freetext: Exposure period: 72 h Comments: 50% chlorosis