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Table 6.4.

Toxicity of Dibuthyl phthalate to algae

 

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

Chlorella pyrenoidosa

F

M

96 h

Growth inhibition

>13
 

/23/

Scenedesmus subspicatus

F

N

48 h

Cell multiplication inhibition

3.5
 

/53/

Scenedesmus subspicatus

F

N

48 h

Growth rate

9.0
 

/53/

Scenedesmus subspicatus

F

M

72 h

Cell growth

1.2

0.5

/79/

Scenedesmus subspicatus

F

M

72 h

Growth rate

2.0

0.5

/79/

Gymnodinium breve

S

N

96 h

Growth rate

0.0034-0.2
 

/24/

Gymnodinium breve

S

N

96 h

Cell number

0.02-0.6
 

/24/

Chlorella emersoni

F

N

7 d

Growth and photosynthesis
 

2.78

/80/

Selenastrum capricornutum

F

M

10 d static

Cell number

0.40

0.21

/81, 26/

Selenastrum capricornutum

F

N

7 d

Growth and photosynthesis
 

2.78

/80/

Scenedesmus subspicatus

F

M

7 d

Growth rate
 

6.1

/82/

Dunaliella parva

S

N

7 d

Cell aggregation
 

0.28

/83/

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