Product Name

  • Name

    3,5-Dichlorosalicylic acid

  • EINECS 206-281-8
  • CAS No. 320-72-9
  • Article Data50
  • CAS DataBase
  • Density 1.665 g/cm3
  • Solubility
  • Melting Point 221-224 °C
  • Formula C7H4Cl2O3
  • Boiling Point 319.292 °C at 760 mmHg
  • Molecular Weight 207.013
  • Flash Point 146.903 °C
  • Transport Information
  • Appearance white crystalline powder
  • Safety 37/39-26-36
  • Risk Codes 36/37/38-22
  • Molecular Structure Molecular Structure of 320-72-9 (3,5-Dichlorosalicylic acid)
  • Hazard Symbols HarmfulXn,IrritantXi
  • Synonyms Salicylicacid, 3,5-dichloro- (6CI,7CI,8CI);2-Hydroxy-3,5-dichlorobenzoic acid;3,5-Dichloro-2-hydroxybenzoic acid;NSC 30109;
  • PSA 57.53000
  • LogP 2.39720

3,5-DICHLOROSALICYLIC ACID Chemical Properties

Molecular Formula: C7H4Cl2O3
Molecular Weight: 207.01
EINECS: 206-281-8
Density: 1.665 g/cm    
Flash Point: 146.9 °C
Melting point: 221-224 ºC  
Index of Refraction: 1.641
CAS Registry Number: 320-72-9  
Enthalpy of Vaporization: 70.73 kJ/mol 
Enthalpy of Vaporization: 59.21 kJ/mol 
Boiling Point: 319.3 °C at 760 mmHg 
Vapour Pressure: 0.000142 mmHg at 25°C 
Appearance: white crystalline powder
Synonyms: 2-Hydroxy-3,5-dichlorobenzoic acid ; 2-Hydroxy-3,5-dichlorobenzoicacid ; 3,5-Dichloro-2-hydroxy-benzoicaci ; 3,5-Dichloro-salicylicaci ; Salicylic acid, 3,5-dichloro- ; USAF do-68 ; 3,5-Dichlorobenzoic acid
Following is the molecular structure of 3,5-Dichlorobenzoic acid (CAS NO.320-72-9):

3,5-DICHLOROSALICYLIC ACID Uses

 3,5-Dichlorobenzoic acid (CAS NO.320-72-9) is used as a medicine, dyes intermediates.

3,5-DICHLOROSALICYLIC ACID Production

 3,5-Dichlorobenzoic acid (CAS NO.320-72-9) is derived from salicylic acid chloride. The salicylic acid dissolved in glacial acetic acid, the temperature was controlled at 8-20 ℃, mixing chlorine is about 8h. Chlorine after the reaction to continue to 1h. Cooling to 8-10 ℃, filtering, pickling, washing, drying derived product.

3,5-DICHLOROSALICYLIC ACID Toxicity Data With Reference

1.    

ipr-mus LD50:50 mg/kg

    NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .

3,5-DICHLOROSALICYLIC ACID Consensus Reports

Reported in EPA TSCA Inventory.

3,5-DICHLOROSALICYLIC ACID Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of Cl.
Safety Information of 3,5-Dichlorobenzoic acid (CAS NO.320-72-9):
Hazard Codes: XnHarmfulXiIrritant
Risk Statements: 36/37/38-22
Safety Statements: 37/39-26-36
RTECS: VO2450000

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