Propionaldehyde

Toxicity to microorganisms

Administrative data

Endpoint:

toxicity to microorganisms

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1988

Report date:

1988

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

DIN 38412-8 (Pseudomonas Zellvermehrungshemmtest)

Principles of method if other than guideline:

DIN 38412-8 (1991), a protocol later developed into ISO 10712:1995 Water quality - Pseudomonas putida growth inhibition test (Pseudomonas cell multiplication inhibition test)

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Propionaldehyde

EC Number:

204-623-0

EC Name:

Propionaldehyde

Cas Number:

123-38-6

Molecular formula:

C3H6O

IUPAC Name:

propanal

Sampling and analysis

Analytical monitoring:

no

Test organisms

Test organisms (species):

Pseudomonas putida

Study design

Test type:

static

Water media type:

freshwater

Results and discussion

Effect concentrations

Duration:

14 h

Dose descriptor:

other: TGK

Effect conc.:

124 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

growth inhibition

Details on results:

TGK equals "toxicological threshold concentration" and is defined as the concentration, at which the turbidity of the test solution caused by the bacteria is is decreased by 10% in comparison to the control.