Product Name

  • Name

    DISUL, SODIUM SALT

  • EINECS 205-259-5
  • CAS No. 136-78-7
  • Density g/cm3
  • Solubility
  • Melting Point 245° (dec)
  • Formula C8H8 Cl2 O5 S . Na
  • Boiling Point °Cat760mmHg
  • Molecular Weight 309.10
  • Flash Point °C
  • Transport Information
  • Appearance
  • Safety A poison by ingestion. Strong solutions are skin irritants. An herbicide. When heated to decomposition it emits very toxic fumes of Cl−, Na2O, and SOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 136-78-7 (DISUL, SODIUM SALT)
  • Hazard Symbols Toxic by inhalation; TLV: 10 mg/m3.
  • Synonyms Ethanol,2-(2,4-dichlorophenoxy)-, hydrogen sulfate, sodium salt (6CI,8CI,9CI); 2,4-DESsodium; Crag Sesone; Crag herbicide 1; Disul-sodium; Experimental Herbicide 1;SES; SES (herbicide); SES-T; Seson; Sesone; Sodium 2,4-dichlorophenoxyethylsulphate; Sodium 2-(2,4-dichlorophenoxy)ethyl sulfate
  • PSA 84.04000
  • LogP 2.92980

CRAG HERBICIDE Chemical Properties

Product Name: Crag herbicide (CAS NO.136-78-7)


Molecular Formula: C8H7Cl2NaO5S
Molecular Weight: 309.09895g/mol
Mol File: 136-78-7.mol
Einecs: 205-259-5
Appearance: Colorless to white crystalline, odorless solid
Melting Point: 245°C
H-Bond Donor: 0
H-Bond Acceptor: 5
Rotatable Bond Count: 5
Topological Polar Surface Area: 75.7
Heavy Atom Count: 17
Complexity: 308
Covalently-Bonded Unit Count: 2

CRAG HERBICIDE Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LD50 oral 1230mg/kg (1230mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C273, 1991.
rat LD50 oral 480mg/kg (480mg/kg) LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA Journal of Agricultural and Food Chemistry. Vol. 9, Pg. 382, 1961.

CRAG HERBICIDE Safety Profile

A poison by ingestion. Strong solutions are skin irritants. An herbicide. When heated to decomposition it emits very toxic fumes of Cl−, Na2O, and SOx.

CRAG HERBICIDE Standards and Recommendations

OSHA PEL: TWA Total Dust: 10 mg/m3; Respirable Fraction: 5 mg/m3
ACGIH TLV: TWA 10 mg/m3; Not Classifiable as a Human Carcinogen

CRAG HERBICIDE Specification

 Crag herbicide ,its CAS NO. is 136-78-7,the synonyms is 2-(2,4-dichlorfenoxy)Ethylsiransodny ; 2-(2,4-dichlorophenoxy)Ethanolhydrogensulfatesodiumsalt ; 2,4-Des-na ; 2,4-Des-natrium ; 2,4-Dessodium ; 2,4-Dichlorophenoxyethylhydrogensulfatesodiumsalt ; 2,4-Dichlorophenoxyethylsulfate,sodiumsalt .

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