[Front page] [Contents] [Back] [Printing instructions]

 

Table 6.3.

Toxicity of Dibutyl phthalate to micro-organisms

 

Review of Environmental
Fate and Effects of Selected
Phthalate Esters
 

Test species

(F/S)

N/M

Test duration

Endpoint

EC50 or LC50
(mg/l)

NOEC (LOEC) (mg/l)

Reference

Tetrahymena pyriformis

F

N

24 h

Growth inhibition


 

1 (10)

/20/

Tetrahymena pyriformis

F

N

24 h

Reproductive inhibition

2.2


 

/76, 77/

Tetrahymena pyriformis

F

N

48 h

Growth inhibition

7.0


 

/21/

Pseudomonas putida

F

M

0.5 h

Respiration inhibition


 

(2,500)

/78/

Photobacterium phosphoreum

S

N

0.5 h

Light inhibition

10.8-23.2


 

/50/

Laboratory digester culture

F

M

5-193 h

Anaerobic metabolic inhibition


 

100

/48/

F: Fresh water; S: Salt water; N: Nominal; M: Measured concentration; NOEC: No Observed Effect Concentration; LOEC: Lowest Observed Effect Concentration.