Title: Disul-sodium
CAS Registry Number: 136-78-7
CAS Name: 2-(2,4-Dichlorophenoxy)ethanol hydrogen sulfate sodium salt
Additional Names: sodium 2,4-dichlorophenoxyethyl sulfate; 2,4-dichlorophenoxyethyl hydrogen sulfate sodium salt; 2,4-DES-Na; SES; sesone
Trademarks: Crag Herbicide-1 (Union Carbide); Crag Sesone (Union Carbide)
Molecular Formula: C8H7Cl2NaO5S
Molecular Weight: 309.10
Percent Composition: C 31.09%, H 2.28%, Cl 22.94%, Na 7.44%, O 25.88%, S 10.37%
Literature References: Prepn: J. A. Lambrech, US 2573769 (1951 to Union Carbide). Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).
Properties: Crystals, mp 245° (dec). Soly in water (25°): 25.5%. Insol in most organic solvents except methanol. LD50 orally in rats: 730 mg/kg (Bailey, White).
Melting point: mp 245° (dec)
Toxicity data: LD50 orally in rats: 730 mg/kg (Bailey, White)
CAUTION: Potential symptoms of overexposure are irritation of eyes and skin; liver and kidney damage. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 78.
Use: Herbicide.
Status: This monograph has been retired and is no longer subject to revision or update. |