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HomeProduct name listHalazone

Halazone

Synonym(s):Halazone

  • CAS NO.:80-13-7
  • Empirical Formula: C7H5Cl2NO4S
  • Molecular Weight: 270.09
  • MDL number: MFCD00045858
  • EINECS: 201-253-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 13:37:16
Halazone Structural

What is Halazone?

Chemical properties

white powder

Originator

Clordiapenser,Molteni Farmaceutici SpA.

The Uses of Halazone

antiinfectant

The Uses of Halazone

Water disinfectant.

Manufacturing Process

20 kg p-aminosulfonyl benzoic acid was mixed with 400 L 0.5 N NaOCl. After an acidification with 100 L 1 N acetic acid, a precipitate dropped out. It was filtered off, washed and dried. The obtained 4-((dichloroamino)sulfonyl) benzoic acid had MP: 203°C.

Therapeutic Function

Antiseptic, Antiseptic

General Description

Fine white powder with an odor of chlorine.

General Description

p-Dichlorosulfamoylbenzoic acid is a white, crystalline,photosensitive compound with a faint chlorine odor.Halazone is only slightly soluble in water at pH 7 but becomesvery soluble in alkaline solutions. The sodium salt ofhalazone is used to disinfect drinking water.

Air & Water Reactions

Insoluble in water.

Fire Hazard

Flash point data for Halazone are not available, but Halazone is probably combustible.

Properties of Halazone

Melting point: 195°C (rough estimate)
Boiling point: 437.0±47.0 °C(Predicted)
Density  1.5426 (rough estimate)
refractive index  1.6000 (estimate)
storage temp.  Store at -20°C,unstable in solution, ready to use.
solubility  Soluble in DMSO
form  neat
pka 3.29±0.10(Predicted)
form  Solid
color  White to off-white
Merck  14,4590
Stability: Stable, but may be light sensitive. Incompatible with strong oxidizing agents.
CAS DataBase Reference 80-13-7(CAS DataBase Reference)
NIST Chemistry Reference Benzoic acid, p-(dichlorosulfamoyl)-,(80-13-7)
EPA Substance Registry System Halazone (80-13-7)

Safety information for Halazone

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for Halazone

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