CAS No 136-78-7 , Ethanol,2-(2,4-dichlorophenoxy)-, 1-(hydrogen sulfate), sodium salt (1:1)

Name: Ethanol,2-(2,4-dichlorophenoxy)-, 1-(hydrogen sulfate), sodium salt (1:1)
Synonyms: SES (herbicide); Sesone; Crag Sesone; Disul-sodium; 2,4-DESsodium; Crag herbicide 1;Ethanol,2-(2,4-dichlorophenoxy)-, 1-(hydrogen sulfate), sodium salt (1:1);SES; Experimental Herbicide 1; SES-T; Seson;Ethanol,2-(2,4-dichlorophenoxy)-, hydrogen sulfate, sodium salt (6CI,8CI,9CI); Sodium 2,4-dichlorophenoxyethylsulphate; Sodium 2-(2,4-dichlorophenoxy)ethyl sulfate;
CAS Registry Number:136-78-7
Melting Point: 245 DEG C DECOMP
Flash Point: °C
Boiling Point: °Cat760mmHg
Density: g/cm³
Safety Statements: A poison by ingestion. Strong solutions are skin irritants. An herbicide. When heated to decomposition it emits very toxic fumes of Cl⁻, Na₂O, and SO_x.
Hazard Symbols: Toxic by inhalation; TLV: 10 mg/m3.
Flash Point: °C
EINECS: 205-259-5
Molecular Weight: 309.10
InChI: InChI=1/C8H8Cl2O5S.Na/c9-6-1-2-8(7(10)5-6)14-3-4-15-16(11,12)13;/h1-2,5H,3-4H2,(H,11,12,13);/q;+1
Molecular Formula: C8H8 Cl2 O5 S . Na
Molecular Structure:

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References of Ethanol,2-(2,4-dichlorophenoxy)-, 1-(hydrogen sulfate), sodium salt (1:1)

Title: Disul-sodium
CAS Registry Number: 136-78-7
CAS Name: 2-(2,4-Dichlorophenoxy)ethanol hydrogen sulfate sodium salt
Synonyms: 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.