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| CAS No.: | 12122-67-7 |
|---|---|
| Name: | Zineb |
| Molecular Structure: | |
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| Formula: | C4H6N2S4Zn |
| Molecular Weight: | 275.759 |
| Synonyms: | Blizene;Zebenide;Carbadine;Hexathane;[2-(sulfidocarbothioylamino)ethylamino]methanedithioate; zinc(+2) cation;Zebtox;Lonacol;Bonzeb;Zinosan;ENT 14,874;ZIDAN;Aspor;Novozir N;Parzate zineb;Discon;Turbair Zineb Fungicide;Dipher;Zinc,[[2-[(dithiocarboxy)amino]ethyl]- carbamodithioato(2-)-kS,kS']-;Funjeb;Tritoftorol;Curit;Perozin;Crittox;Dithane Z 78;Phytox;Tiezene;Unizeb;Polyram Z;Lirotan;Fungo-Pulvit;Indofil Z 78;Cynkotox; |
| EINECS: | 235-180-1 |
| Density: | 1.74 g/cm3 |
| Melting Point: | 157ºC (decomposes) |
| Boiling Point: | 308.2 °C at 760 mmHg |
| Flash Point: | 140.2 °C |
| Solubility: | ca.10 mg l-1 (room temperature) |
| Appearance: | off-white powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 37-43 |
| Safety: | 8-24/25-46 |
| PSA: | 88.24000 |
| LogP: | 0.60850 |
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Chemistry
Structure of Zineb (CAS NO.12122-67-7):
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Molecular Formula: C4H6N2S4Zn
Molar mass: 275.7728 g/mol
Flash Point: 140.2 °C
Boiling Point: 308.2 °C at 760 mmHg
Vapour Pressure: 0.000692 mmHg at 25°C
Appearance: Light colored powder
H-Bond Donor: 2
H-Bond Acceptor: 2
IUPAC Name: Zinc N-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate
Canonical SMILES: C(CNC(=S)[S-])NC(=S)[S-].[Zn+2]
InChI: InChI=1S/C4H8N2S4.Zn/c7-3(8)5-1-2-6-4(9)10;/h1-2H2,(H2,5,7,8)(H2,6,9,10);/q;+2/p-2
InChIKey: AMHNZOICSMBGDH-UHFFFAOYSA-L
Polarizability:10-24cm3
Boiling point: 308.2°C
Flash point: 140.2°C
Solubility in water: Insoluble in water
Storage temp: 2-8°C
Uses
Uses of Zineb (CAS NO.12122-67-7) include control of downy mildews, rusts and redfire disease. In the US it was once registered as a "General Use Pesticide", however all registrations were voluntarily cancelled following an EPA special review. It continues to be used in many other countries.
Production
Zineb (CAS NO.12122-67-7) is produced by reacting Ethylene bis(dithiocarbamate) sodium salt, Nabam, with Zinc sulfate . This can be carried out by mixing nabam and zinc sulfate in the spray tank.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| human | LDLo | oral | 5gm/kg (5000mg/kg) | "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A420, Pg. 1984, | |
| mammal (species unspecified) | LD50 | unreported | 1350mg/kg (1350mg/kg) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(5), Pg. 29, 1980. | |
| mouse | LD50 | intraperitoneal | 1940mg/kg (1940mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 121, 1982. | |
| mouse | LD50 | oral | 7600mg/kg (7600mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: EXCITEMENT BEHAVIORAL: ATAXIA | Journal of Toxicology and Environmental Health. Vol. 4, Pg. 93, 1978. |
| rabbit | LD50 | oral | 4450mg/kg (4450mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 121, 1982. | |
| rat | LCLo | inhalation | 800mg/m3/4H (800mg/m3) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 121, 1982. | |
| rat | LD50 | oral | 1850mg/kg (1850mg/kg) | BEHAVIORAL: EXCITEMENT GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 31(10), Pg. 25, 1966. |
| rat | LD50 | skin | > 2500mg/kg (2500mg/kg) | Toxicology and Applied Pharmacology. Vol. 14, Pg. 515, 1969. | |
| rat | LD50 | unreported | 1850mg/kg (1850mg/kg) | Environmental Quality and Safety, Supplement. Vol. 3, Pg. 618, 1975. |
Safety Profile
Hazard Codes: Xi 
Risk Statements: 37-43
R37: Irritating to the respiratory system
R43: May cause sensitization by skin contact
Safety Statements: 8-24/25-46
S8: Keep container dry
S24: Avoid contact with skin
S25: Avoid contact with eyes
S46: If swallowed, seek medical advice immediately and show this container or label.
Specification
Zineb ,its cas register number is 12122-67-7. It also can be called Carbamodithioic acid, N,N'-1,2-ethanediylbis-, zinc salt (1:1) ; Zinc 1,2-ethanediyldicarbamodithioate ; Zinc ethane-1,2-diylbis(dithiocarbamate) ; 1,2-Ethanediylbiscarbamodithioic acid zinc complex and carbamodithioic acid, 1,2-ethanediylbis-, zinc salt (1:1) . Zineb (CAS NO.12122-67-7) is a foliate fungicide and is a polymeric complex of zinc with the ethylene bis(dithiocarbamate) anionic ligand. Ethylene bis(dithiocarbamate) (Maneb) was included in a biocide ban proposed by the Swedish Chemicals Agency and approved by the European Parliament in January 13, 2009.