4-Chlorobenzenesulfonic acid
- CAS NO.：98-66-8
- Empirical Formula: C6H5ClO3S
- Molecular Weight: 192.62
- MDL number: MFCD00065342
- EINECS: 202-690-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
What is 4-Chlorobenzenesulfonic acid?
Description
4-Chlorobenzenesulfonic acid is soluble in water and ethanol. Prepared by sulfonation of chlorobenzene with sulfuric acid; the water formed in the reaction is removed continuously. It can be hydrolyzed to chlorobenzene with steam at 190℃ and is used in the manufacture of 4-chloro-3-nitroben- zenesulfonic acid.
Chemical properties
greyish-beige flaked solid
The Uses of 4-Chlorobenzenesulfonic acid
4-Chlorobenzenesulfonic acid was employed as anion dopants for the matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS) of neutral oligosaccharides.
What are the applications of Application
4-Chlorobenzenesulfonic acid is the major polar by-product formed during the synthesis of DDT
General Description
4-Chlorobenzenesulfonic acid is the major polar by-product formed during the chemical synthesis of 1,1,1-trichloro-2,2-bis-(4-chlorophenyl)ethane (DDT).
Properties of 4-Chlorobenzenesulfonic acid
| Melting point: | 102 °C |
| Boiling point: | 149 °C/22 mmHg (lit.) |
| Density | 1.449 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Sparingly) |
| pka | -0.83±0.50(Predicted) |
| form | solid |
| color | White to Light yellow to Light orange |
| Water Solubility | very faint turbidity |
| Merck | 14,2122 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 98-66-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-Chlorobenzene sulfonic acid(98-66-8) |
| EPA Substance Registry System | Benzenesulfonic acid, 4-chloro- (98-66-8) |
Safety information for 4-Chlorobenzenesulfonic acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Chlorobenzenesulfonic acid
| InChIKey | RJWBTWIBUIGANW-UHFFFAOYSA-N |
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