4-Iodobenzenesulfonyl chloride
Synonym(s):Pipsyl chloride
- CAS NO.：98-61-3
- Empirical Formula: C6H4ClIO2S
- Molecular Weight: 302.52
- MDL number: MFCD00007441
- EINECS: 202-686-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:14:20
What is 4-Iodobenzenesulfonyl chloride?
Chemical properties
white to beige or orange crystals or
The Uses of 4-Iodobenzenesulfonyl chloride
It is used as intermediate in organic syntheses & in medicine.
General Description
The reaction of 4-iodobenzenesulfonyl chloride (pipsyl chloride) with peptides under various conditions has been studied.
Properties of 4-Iodobenzenesulfonyl chloride
| Melting point: | 80-82 °C (lit.) |
| Boiling point: | 319.1±25.0 °C(Predicted) |
| Density | 1.999 (estimate) |
| storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
| solubility | ethanol: soluble100mg/mL, clear to slightly hazy, colorless to yellow |
| form | Crystals or Crystalline Powder |
| color | White to beige or orange |
| Water Solubility | Reacts with water. |
| Sensitive | Moisture & Light Sensitive |
| Merck | 14,7486 |
| BRN | 2691661 |
| CAS DataBase Reference | 98-61-3(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonyl chloride, 4-iodo- (98-61-3) |
Safety information for 4-Iodobenzenesulfonyl chloride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. 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-Iodobenzenesulfonyl chloride
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