Product Name

  • Name

    Benazolin

  • EINECS 223-297-0
  • CAS No. 3813-05-6
  • Article Data6
  • CAS DataBase
  • Density 1.628 g/cm3
  • Solubility 0.6g/L(20 oC)
  • Melting Point 192-196 °C
  • Formula C9H6ClNO3S
  • Boiling Point 468.375 °C at 760 mmHg
  • Molecular Weight 243.671
  • Flash Point 237.065 °C
  • Transport Information UN 3077
  • Appearance
  • Safety 22-61
  • Risk Codes 36/38-52/53
  • Molecular Structure Molecular Structure of 3813-05-6 (Benazolin)
  • Hazard Symbols IrritantXi, DangerousN
  • Synonyms 3-Benzothiazolineaceticacid, 4-chloro-2-oxo- (6CI,7CI,8CI);4-Chloro-2-oxobenzothiazolin-3-ylaceticacid;Benazolin (pesticide);Benazoline;Benzar;Cornox CWK;Cresopur;Eunasin;Ley-Cornox;NSC 521058;RD 7693;
  • PSA 87.54000
  • LogP 1.80100

Benazolin Chemical Properties

Chemical Name: Benazolin
IUPAC NAME: 2-(4-Chloro-2-oxo-1,3-benzothiazol-3-yl)acetic acid
CAS No.: 3813-05-6
EINECS: 223-297-0
RTECS: AF9700000
Molecular Formula: C9H6ClNO3S
Molecular Weight: 243.67 g/mol
Melting Point: 192-196°C
Density: 1.627 g/cm3
Flash Point: 237.1 °C
Boiling Point: 468.4 °C at 760 mmHg
Storage temp.: 0-6°C
Following is the structure of Benazolin (CAS No.3813-05-6):

The chemical synonymous of Benazolin (CAS No.3813-05-6) are (4-Chloro-2-Oxobenzothiazol-3-Yl)-Aceticaci ; 4-Chloro-2-Oxo-3(2h)-Benzothiazoleaceticaci ; 4-Chloro-2-Oxo-3-Benzothiazolineaceticaci ; 4-Chloro-2-Oxo-3-Benzothiazolineaceticacid ; 4-Chloro-2-Oxobenzothiazol-3-Ylaceticacid ; Ben-30 ; Benasalox ; Benazalox

Benazolin Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 3200mg/kg (3200mg/kg)   Pesticide Manual. Vol. 9, Pg. 52, 1991.
quail LD50 oral > 10204mg/kg (10204mg/kg)   Pesticide Manual. Vol. 9, Pg. 52, 1991.
rat LD50 oral 3gm/kg (3000mg/kg)   "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revisionVol. 2, Pg. 26, 1977.
rat LD50 skin > 5gm/kg (5000mg/kg)   Pesticide Manual. Vol. 9, Pg. 52, 1991.

Benazolin Safety Profile

Moderately toxic by ingestion. An herbicide. When heated to decomposition it emits toxic fumes of SOx, Cl, and NOx. See also CHLORIDES.
Hazard Codes: DangerousIrritantXi
isk Statements about Benazolin (CAS No.3813-05-6):
R36/38:Irritating to eyes and skin. 
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements about Benazolin (CAS No.3813-05-6):
S22:Do not breathe dust. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.

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