# Zineb

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For the French journalist, see [Zineb El Rhazoui](/source/Zineb_El_Rhazoui).

**Zineb** is the chemical compound with the formula {Zn[S2CN(H)CH2CH2N(H)CS2]}n. Structurally, it is classified as a [coordination polymer](/source/Coordination_polymer) and a [dithiocarbamate complex](/source/Dithiocarbamate_complex). This pale yellow solid is used as [fungicide](/source/Fungicide).[1]

## Production and applications

It is produced by treating ethylene bis(dithiocarbamate) sodium salt, "nabam", with [zinc sulfate](/source/Zinc_sulfate). This procedure can be carried out by mixing nabam and zinc sulfate in a spray tank.[2] Its uses include control of downy [mildews](/source/Mildew), [rusts](/source/Rust_(botany)), and redfire disease.[1] In the US it was once registered as a "General Use Pesticide", however all registrations were voluntarily cancelled following an [EPA](/source/United_States_Environmental_Protection_Agency) special review.[2] It continues to be used in many countries, including the United States.

## Structure

Zineb is a polymeric [complex](/source/Complex_(chemistry)) of [zinc](/source/Zinc) with a [dithiocarbamate](/source/Dithiocarbamate).[1] The polymer is composed of Zn(dithiocarbamate)2 subunits linked by an ethylene (-CH2CH2-) backbone.[3] A reference compound is [Zn(S2CNEt2)2]2, which features a pair of tetrahedral Zn centers [bridged](/source/Bridging_ligand) by one sulfur center.[4]

## See also

- [Metam sodium](/source/Metam_sodium) - A related [dithiocarbamate](/source/Dithiocarbamate) salt which is also used as a fungicide.
- [Maneb](/source/Maneb) - ethylene bis(dithiocarbamate) with [manganese](/source/Manganese) instead of zinc.
- [Mancozeb](/source/Mancozeb) - A common fungicide containing Zineb and Maneb.

## References

1. Franz Müller; Peter Ackermann; Paul Margot (2012). "Fungicides, Agricultural, 2. Individual Fungicides". *Ullmann's Encyclopedia of Industrial Chemistry*. Weinheim: Wiley-VCH. [doi:10.1002/14356007.o12_o06](https://doi.org/10.1002/14356007.o12_o06). ISBN 978-3527306732.

1. Michael A. Kamrin, (1997) Pesticide Profiles: Toxicity, Environmental Impact, and Fate, CRC Press, ISBN 1-56670-190-2[page needed]

1. R. Engst & W. Schnaak (1974). "Residues of dithiocarbamate fungicides and their metabolites on plant foods". *Residue Reviews*. Vol. 52. Gunther F.A. (ed.). New York, NY: Springer. pp. 45–46. [doi:10.1007/978-1-4615-8504-6_3](https://doi.org/10.1007/978-1-4615-8504-6_3). ISBN 978-1-4615-8506-0.

1. Bonamico, M.; Mazzone, G.; Vaciago, A.; Zambonelli, L. (1965). "Structural studies of metal dithiocarbamates. III. The Crystal and Molecular Structure of Zinc Diethyldithiocarbamate". *Acta Crystallogr*. **19** (6): 898–909. [Bibcode:1965AcCry..19..898B](https://ui.adsabs.harvard.edu/abs/1965AcCry..19..898B). [doi:10.1107/S0365110X65004620](https://doi.org/10.1107/S0365110X65004620)

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