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: 2024-07-02 08:54:58
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) |
 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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