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Diss Factsheets

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Captan is moderately toxic to springtails, bees and earthworms. No phytotoxic effects were observed for tested terrestrial plants.

Additional information

The results of terrestrial toxicity studies conducted on a range of terrestrial species are summarised in the table below:


Summary of the effects of Captan on terrestrial species

study type



study report

Earthworm – acute

(Toxicity to soil macroorganisms except arthropods)

Earthworm (Eisenia foetida foetida)

14-day LC50 >519.3 mg/kg

Roberts, N.L. and Hakin, B.



Springtail Folsomia candida – long term toxicity

(Toxicity to terrestrial arthropods

Folsomia candida

(Collembola, Isotomidae)


LOEC: 316.3 mg a.i./kg soil

NOEC: 177.9 mg a.i./kg soil

EC50 (numbers of

Progeny): 807.9 mg a.i./kg soil dry weight

LC50: > 1000 mg a.i./kg soil

Roberts, N.L. and Hakin, B. (1985), R-4211

Honey bee – short term toxicity

(Toxicity to terrestrial arthropods)

honey bee (Apis mellifera)

24 and 48-hour LD50

Oral: >100 µg/bee

Contact: >200 µg/bee

Gough, H.J. et al (1990)


Toxicity to terrestrial plants

Various plant species

No phytotoxic effects

Fiebig, (2006), R-29125

Toxicity to terrestrial microorganisms

Psudomonas putida

EC10 = 0.07 mg/L

EC50 = 0.22 mg/L

Coleman et al. (1991), R-7578