[Formaldehyde] CAS[50-00-0]
= Oxomethane, Oxymethylene, Methanal, Methylene oxide
Chemical formula; CH2O
Purpose for use; Insecticide, fungicide, bactericide.
Test organisms;
Protozoa: Euglena gracilis (ref. ID; 3312)
Oligochaeta: Eisenia foetida (ref. ID; 7012)

[37% solution (Formalin)]
Test organisms;
Protozoa: Diophrys oligothrix (ref. ID; 4526)
Protozoa: Pleuronema coronatum (ref. ID; 4521)


[Poly(oxymethylene)]
Trade name; paraformaldehyde: Paraldehyde, Paraform, Triformol
Chemical formula; (CH2O)n
Purpose for use; Fungicide
Toxicity; LD50 (oral): rat 3.5 mg/kg