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Chemical Identification
Common Name
Nabam
中文通用名
代森钠
IUPAC
disodium ethylenebis(dithiocarbamate)
CAS
disodium 1,2-ethanediylbis(carbamodithioate)
CAS No.
142-59-6
Molecular Formula
C4H6N2Na2S4
Molecular Structure
Physical Properties
Molecular weight:256.3g/mol; Physical form:Colourless crystals (hexahydrate). Melting point:Decomposes on heating, without melting; Vapour pressure:Negligible; Solubility:In water c. 200 g/l (room temperature). Insoluble in common organic solvents.; Stability:Decomposed by light, moisture and heat. Stable as an aqueous solution. On aeration, aqueous solutions deposit yellow mixtures, of which the main fungicidal components are sulfur and etem (C. W. Pluijgers , Tetrahedron Lett.,
Toxicology
Oral:Acute oral LD50 for rats 395, mice 580 /. Percutaneous:Irritating to skin and mucous membranes. Phytotoxicity:Phytotoxic to plant foliage.
Environmental Profile
Ecotoxicology:
Bees:Not toxic to bees.Fish:Moderately toxic to fish.
Environmental fate:
Plant:In plants, the principal metabolite is ethylenethiourea. Other metabolites include ethylenethiuram monosulfide, ethylenethiuram disulfide, and sulfur.
Transport Information
Signal Word:WARNING; Hazard Class:II(Moderately hazardous)

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