INTRODUCTION
N-acetylsulfanilyl chloride is a white coloured powder, soluble in organic solvents and slightly soluble in water. It is a versatile chemical compound that has numerous applications in industries, such as Agro and Pharmaceuticals.
MANUFACTURE
It is synthesized by the reaction of 4-chlorobenzenesulfonyl chloride with acetic acid in the presence of a catalyst like aluminum chloride.
| Synonyms | 4-Acetamidobenzenesulfonyl chloride Acetanilide 4-sulfonyl chloride 4-Acetylaminobenzenesulfonyl chloride |
| CAS no. | 121-60-8 |
| EINECS no. | 204-485-1 |
| Molecular formula | C8H8ClNO3S |
| Molecular weight | 233.66 |
| Structure |  |
APPLICATIONS
| Is a key component in the synthesis of pharmaceuticals, including sulfa drugs and antibiotics, contributing to the healthcare sector’s growth. |
| It plays a crucial role in the production of dyes and pigments, used extensively in textiles, paints, and plastics. |
| It acts as a valuable chemical reagent for various chemical reactions, making it indispensable in laboratory research and industrial processes. |
| Used in the manufacturing of Sulfonylurea herbicides, used to control weeds in crops. |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Description | – | Dull white colored powder with characteristic odor |
| Identification | ||
| 1. Test A (by IR) | – | To match with working standard |
| 2. Test B (chemical test) | – | To a cooled solution of 20 mg of sample in 2 ml. Acetone, add 1ml of 1% NaNO2 solution produces pale yellow color. On addition of 2 ml of 1% α – Naphthol solution in 20% NaOH solution it produces orange-red colored upper layer |
| Moisture content | % w/w | NMT 0.30 |
| Melting range | °C | 143.0 – 147.0 |
| Free acidity | ml | NMT 0.5 ml of 0.1 M NaOH per gm |
| Assay | % w/w | NLT 99.0 |
PACKING
25 kg UN approved HDPE drum.
STORAGE
Store in closed container in a dry area.
REACH status
Not registered.
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