2-Nitrobenzenesulfenyl chloride
- CAS NO.:7669-54-7
- Empirical Formula: C6H4ClNO2S
- Molecular Weight: 189.62
- MDL number: MFCD00007128
- EINECS: 231-644-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is 2-Nitrobenzenesulfenyl chloride?
Chemical properties
yellow to gold crystalline powder or needles
The Uses of 2-Nitrobenzenesulfenyl chloride
2-Nitrobenzenesulfenyl Chloride is used in the synthesis of α-amino phosphonic acids
Preparation
CAUTION: This chloride is explosive, and the solvent has to be removed under reduced pressure.
To a 500-ml, three-necked flask equipped with a mechanical stirrer, thermometer, gas addition tube, and condenser is added 200 ml of dry carbon tetrachloride, 30 gm (0.1 mole) of 2,2'-dinitrophenyl disulfide, and 0.05 gm of iodine as a catalyst. The suspension is heated to 50-60°C, and chlorine gas is added at such a flow rate that 10 gm (0.14 mole) is added over a 2-2^-hr period at this temperature. After this time, the solid starting disulfide finally goes into solution, and the warm dark yellow solution is filtered. The solution is cooled to 5°C, and the product that crystallizes out is filtered and dried to afford 25.2-27.0 gm (66-71%), m.p. 73-74.5°C.
Purification Methods
Recrystallise it from CCl4 (2mL/g), filter off the solution at 5o (recovery 75%). It has also been recrystallised from pet ether (b 40-60o), dried rapidly at 50o and stored in a brown glass bottle, sealed well and stored away from moisture. [Hubacher Org Synth Coll Vol II 455 1943, Ito et al. Chem Pharm Bull Jpn 26 296 1978, Beilstein 6 I 157.]
Properties of 2-Nitrobenzenesulfenyl chloride
Melting point: | 70-75 °C |
Boiling point: | 350.0±25.0 °C(Predicted) |
Density | 1.492 (estimate) |
refractive index | 1.6000 (estimate) |
storage temp. | 2-8°C |
form | Crystalline Powder or Needles |
color | Yellow to gold |
Water Solubility | decomposes |
Sensitive | Moisture Sensitive |
BRN | 473741 |
CAS DataBase Reference | 7669-54-7(CAS DataBase Reference) |
EPA Substance Registry System | Benzenesulfenyl chloride, 2-nitro- (7669-54-7) |
Safety information for 2-Nitrobenzenesulfenyl chloride
Signal word | Danger |
Pictogram(s) |
Corrosion Corrosives GHS05 |
GHS Hazard Statements |
H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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. P405:Store locked up. |
Computed Descriptors for 2-Nitrobenzenesulfenyl chloride
Abamectin manufacturer
Vachichem
THINQ Pharma CRO Ltd
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