ChemicalBook > CAS DataBase List > 3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE

3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE

Product Name: 3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE
CAS No.: 23094-96-4
Chemical Name: 3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE
Synonyms: 3-broMo-4-Methoxybenzene-1-sulfonyl chloride;3-Bromo-4-methoxybenzenesulfonylchloride,97%;Benzenesulfonyl chloride, 3-bromo-4-methoxy-;3-Bromo-4-methoxybenzenesulfonyl chloride 97%;3-bromo-4-methoxybenzenesulfonyl chloride(SALTDATA: FREE)
CBNumber: CB01492572
Molecular Formula: C7H6BrClO3S
Formula Weight: 285.54
MOL File: 23094-96-4.mol

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3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE Property

Melting point:: 83-88°C
Boiling point:: 366.0±27.0 °C(Predicted)
Density: 1.717±0.06 g/cm3(Predicted)
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
form: solid
Appearance: Off-white to pink Solid
Sensitive: Moisture Sensitive
CAS DataBase Reference: 23094-96-4

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Safety

Hazard Codes: C
Risk Statements: 22-34
Safety Statements: 26-36/37/39-45
RIDADR: UN 3261 8 / PGII
WGK Germany: 3
HazardClass: IRRITANT
HazardClass: 8
HS Code: 2930909899

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 749346
Product name: 3-Bromo-4-methoxybenzenesulfonyl chloride
Purity: 97%
Packaging: 1g
Price: $34
Updated: 2023/06/20

TRC

Product number: B696580
Product name: 3-Bromo-4-methoxybenzenesulfonyl chloride
Packaging: 250mg
Price: $55
Updated: 2021/12/16

Matrix Scientific

Product number: 031176
Product name: 3-Bromo-4-methoxybenzenesulfonyl chloride
Packaging: 500mg
Price: $26
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB123357
Product name: 3-Bromo-4-methoxybenzenesulfonyl chloride
Packaging: 250mg
Price: $57.5
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB123357
Product name: 3-Bromo-4-methoxybenzenesulfonyl chloride
Packaging: 500mg
Price: $100
Updated: 2021/12/16

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3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE Chemical Properties,Usage,Production

Synthesis

578-57-4

23094-96-4

General procedure for the synthesis of 3-bromo-4-methoxybenzene-1-sulfonyl chloride from 2-bromoanisole: 2-bromo-1-methoxybenzene (1.87 g, 10.0 mmol) was dissolved in chloroform (5 mL), and the solution was cooled in an iced salt bath to -5 °C to 0 °C. Chlorosulfonic acid (2.0 mL, 30.0 mmol) was slowly added dropwise over 30 minutes, and after completion of the dropwise addition, the reaction mixture was gradually warmed to room temperature over 1 hour. Subsequently, the reaction mixture was poured onto crushed ice and transferred to a dispensing funnel. The aqueous layer was separated and extracted twice with chloroform. The organic layers were combined, dried and concentrated to give 3-bromo-4-methoxybenzenesulfonyl chloride (2.80 g, 98%). 3-Bromo-4-methoxybenzenesulfonyl chloride (2.80 g, 9.8 mmol) was dissolved in dichloromethane (30 mL), triethylamine (1.76 mL, 12.6 mmol) was added to the solution, followed by slow dropwise addition of tert-butylamine (1.33 mL, 12.6 mmol). The reaction mixture was allowed to stand for 2 hours and then poured into a mixture of 5% citric acid solution and dichloromethane. The organic layer was separated and the aqueous layer was extracted twice with dichloromethane. The organic layers were combined, dried and concentrated. The crude product was recrystallized by ethyl acetate/hexane mixed solvent to give 3-bromo-N-tert-butyl-4-methoxybenzenesulfonamide (2.43 g, 77%).

References

[1] Patent: WO2004/50637, 2004, A2. Location in patent: Page 68-69
[2] Patent: WO2004/62661, 2004, A1. Location in patent: Page/Page column 24-25; 37-38
[3] Patent: US2015/25068, 2015, A1. Location in patent: Paragraph 0794
[4] Journal of the Chemical Society [Section] C: Organic, 1969, p. 1341 - 1345
[5] Bioorganic and Medicinal Chemistry Letters, 1997, vol. 7, # 4, p. 485 - 488

3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDE Suppliers

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23094-96-4, 3-BROMO-4-METHOXY-BENZENESULFONYL CHLORIDERelated Search:

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