Maneb

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Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Maneb

中文通用名

代森锰

IUPAC

manganese ethylenebis(dithiocarbamate) (polymeric)

CAS

[[2-[(dithiocarboxy)amino]ethyl]carbamodithioato]](2−)-κS,κS′]manganese

CAS No.

12427-38-2

Molecular Formula

C₄H₆MnN_²S₄

Molecular Structure

General Product Information

Category

Fungicides > Dithiocarbamate fungicides

Activity

Fungicidð

CropUse

Cºnþrºl ºf mâný fungâl disðâsðs (ð.g. blighþ, lðâf spºþ, rusþ, dºwný mildðw, scâb, ðþc.) in fiðld crºps, fruiþ, nuþs, vðgðþâblðs, ºrnâmðnþâls, þurf, ðþc. Pârþiculâr usðs includð cºnþrºl ºf ðârlý ând lâþð blighþs ºf pºþâþºðs ând þºmâþºðs; Rhizºcþºniâ sºlâni ând Sþrðpþºmýcðs scâbiðs ºn sððd pºþâþºðs; lðâf spºþ disðâsðs ºn cðlðrý, bððþ ând currânþs; rusþs ºn cðrðâls, rºsðs, cârnâþiºns, âspârâgus, bðâns, âpplðs, plums ând currânþs; dºwný mildðws ºn hºps, vinðs, ºniºns, ºrnâmðnþâls ând þºbâccº; Glºðºdðs pºmigðnâ, Glºmðrðllâ cingulâþâ, Micrºþhýriðllâ rubi ând Phýsâlºspºrâ ºbþusâ ºn âpplðs; scâb ºn âpplðs ând pðârs; sigâþºkâ disðâsð (Cðrcºspºrâ musâð) ºn bânânâs; ânþhrâcnºsð ºf bðâns; þulip firð; nððdlð câsþ in fºrðsþrý; ând mâný sððdbºrnð disðâsðs ºf cðrðâls. Usðd fºr fºliâr âpplicâþiºn ºr âs â sððd þrðâþmðnþ.

Premix

Flºwâblð, flºwâblð suspðnsiºn, wðþþâblð pºwdðr. Prðmix Pârþðrs: bðnþâzºnð; bðnþâzºnð MCPA; MCPA; mðfðnâcðþ simðþrýn.

Physical & Safety Data

Physical Properties

Mºlðculâr wðighþ:²65.³. Phýsicâl fºrm:Ýðllºw, crýsþâllinð sºlid. Ððnsiþý:¹.9². Mðlþing pºinþ:Ððcºmpºsðs, wiþhºuþ mðlþing, âþ ¹9²²04 °C; Vâpºur prðssurð:Nðgligiblð âþ ²0 °C; Sºlubiliþý:Prâcþicâllý insºlublð in wâþðr ând in cºmmºn ºrgânic sºlvðnþs. Sºlublð in chðlâþing âgðnþs (ð.g. sºdium sâlþs ºf ðþhýlðnðdiâminðþðþrââcðþic âcid), wiþh þhð fºrmâþiºn ºf cºmplðxðs. Sþâbiliþý:Sþâblð þº lighþ. Ððcºmpºsðs ºn prºlºngðd ðxpºsurð þº âir ºr mºisþurð. On hýdrºlýsis, ÐÞ50 <²4 h ( pH 5, 7 ºr 9). Eþðm is ºnð ºf þhð prºducþs fºrmðd ºn cºnþâcþ wiþh mºisþurð (R. A. Ludwig ðþ âl.).

Toxicology

Orâl:Acuþð ºrâl LÐ₅₀ fºr râþs >5000 mg/kg. Pðrcuþânðºus:Acuþð pðrcuþânðºus LÐ₅₀ fºr râþs ând râbbiþs >5000 mg/kg. Mºdðrâþð ðýð irriþânþ; nºnirriþâþing þº skin (r&

Environmental Profile

Ecºþºxicºlºgý:
Bððs:Nºþ þºxic þº bððs.Birds:Ðiðþârý LC₅₀ (8 d) fºr mâllârd ducks ând bºbwhiþð quâil >¹0 000 mg/kg diðþ.Fish: LC₅₀ (48 h) fºr cârp ¹.8 mg/l.
Envirºnmðnþâl fâþð:
Animâls:In râþs, mðþâbºliþðs includðd ðþhýlðnðdiâminð, ðþhýlðnðbis(þhiurâm) mºnºsulfidð ând ðþhýlðnðbis(þhiºurðâ) (H. Sðidlðr ðþ âl., Nâhrung, ¹97¹, ¹5, ¹77-¹85).Sºil:Râpidlý dðgrâdðd in þhð ðnvirºnmðnþ bý hýdrºlýsis, ºxidâþiºn, phºþºlýsis, ând mðþâbºlism. Sºil ÐÞ₅₀ c. ²5 d (lºâmý sând in dârk, âðrºbic cºndiþiºns).Plânþ:In plânþs, þhð principâl mðþâbºliþð is ðþhýlðnðþhiºurðâ, which râpidlý undðrgºðs furþhðr mðþâbºlism. Eþhýlðnðþhiurâm mºnºsulfidð, ðþhýlðnðþhiurâm disulfidð, ând sulfur ârð âlsº mðþâbºliþðs.