Structural Formula Vector Image
Title: Nabam
CAS Registry Number: 142-59-6
CAS Name: 1,2-Ethanediylbiscarbamodithioic acid disodium salt
Additional Names: ethylenebis[dithiocarbamic acid] disodium salt; disodium ethylenebis[dithiocarbamate]
Trademarks: Dithane D-14 (Rohm & Haas); Parzate
Molecular Formula: C4H6N2Na2S4
Molecular Weight: 256.34
Percent Composition: C 18.74%, H 2.36%, N 10.93%, Na 17.94%, S 50.04%
Literature References: Prepd by treating ethylenediamine with CS2 in the presence of NaOH: Hester, US 2317765 (1943 to Rohm & Haas); Flenner, US 2504404 (1950 to du Pont). Fluorimetric determn in water and cereals: T. Pérez-Ruiz et al., Talanta 43, 193 (1996). Degradation study: E. Milanova et al., Pulp Paper Can. 100, 67 (1999). Toxicology study: R. B. Smith, Jr. et al., Fed. Proc. 11, 391 (1952).
Properties: LD50 orally in rats: 395 ±12 mg/kg (Smith).
Toxicity data: LD50 orally in rats: 395 ±12 mg/kg (Smith)
Derivative Type: Hexahydrate
Properties: Crystals from alc. Moderately sol in water. Forms a continuous film on plant surfaces, which is said to become insol in water.
CAUTION: Direct contact may cause skin irritation. See Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) Section II, p 312.
Use: Agricultural fungicide; biocide in pulp and paper industry.

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