Product Name

  • Name

    4-CHLOROBENZENESULFONIC ACID SODIUM SALT

  • EINECS
  • CAS No. 5138-90-9
  • Article Data5
  • CAS DataBase
  • Density 1.551g/cm3
  • Solubility almost transparency
  • Melting Point
  • Formula C6H5 Cl O3 S . Na
  • Boiling Point 258.6°Cat760mmHg
  • Molecular Weight 214.605
  • Flash Point °C
  • Transport Information
  • Appearance
  • Safety Mildly toxic by ingestion. A skin and eye irritant. When heated to decomposition it emits very toxic fumes of SOx, Na2O, and Cl−. See also SULFONATES.
  • Risk Codes
  • Molecular Structure Molecular Structure of 5138-90-9 (4-CHLOROBENZENESULFONIC ACID SODIUM SALT)
  • Hazard Symbols
  • Synonyms Benzenesulfonicacid, 4-chloro-, sodium salt (9CI); Benzenesulfonic acid, p-chloro-, sodiumsalt (6CI,7CI,8CI); Sodium 4-chlorobenzenesulfonate; Sodiump-chlorobenzenesulfonate; p-Chlorobenzenesulfonic acid sodium salt
  • PSA 65.58000
  • LogP 2.32490

p-Chlorobenzenesulfonic acid, sodium salt Chemical Properties

IUPAC Name: Sodium 4-chlorobenzenesulfonate
Synonyms of p-Chlorobenzenesulfonic acid, sodium salt (CAS NO.5138-90-9) : Benzenesulfonic acid, 4-chloro-, sodium salt (1:1) ; Sodium 4-chlorobenzenesulfonate ; 4-Chlorobenzenesulfonic Acid Sodium Salt ; Benzenesulfonic acid, p-chloro-, sodium salt
InChI:InChI=1/C6H5ClO3S.Na/c7-5-1-3-6(4-2-5)11(8,9)10;/h1-4H,(H,8,9,10);/q;+1/p-1
Product Categories: Aromatics;MTS & Sulfhydryl Active Reagents
CAS NO: 5138-90-9
Molecular Formula:C6H4ClNaO3S          
Molecular Weight :214.6               
Molecular Structure :
EINECS:225-900-2

p-Chlorobenzenesulfonic acid, sodium salt Production

Preparation Products :4-Chlorobenzenesulfonyl chloride-->4-Chlorobenzenesulfonamide-->4-Chlorobenzenesulfonic acid

p-Chlorobenzenesulfonic acid, sodium salt Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 unreported 16gm/kg (16000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT

BEHAVIORAL: ATAXIA		 Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(3), Pg. 14, 1970.
mouse LD50 unreported 8350mg/kg (8350mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT

BEHAVIORAL: ATAXIA		 Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(3), Pg. 14, 1970.
rabbit LD50 unreported 7100mg/kg (7100mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT

BEHAVIORAL: ATAXIA		 Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(3), Pg. 14, 1970.
rat LD50 unreported 11100mg/kg (11100mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: EXCITEMENT

BEHAVIORAL: ATAXIA		 Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(3), Pg. 14, 1970.

p-Chlorobenzenesulfonic acid, sodium salt Consensus Reports

Reported in EPA TSCA Inventory.

p-Chlorobenzenesulfonic acid, sodium salt Safety Profile

Mildly toxic by ingestion. A skin and eye irritant. When  p-Chlorobenzenesulfonic acid, sodium salt (CAS NO.5138-90-9)  is heated to decomposition, it emits very toxic fumes of SOx, Na2O, and Cl−. See also SULFONATES.

Safety Statements 22-24/25
S22: When p-Chlorobenzenesulfonic acid, sodium salt (CAS NO.5138-90-9) is used ,do not breathe dust. 
S24/25:Avoid contact with skin and eyes.
RTECS DB5620000

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