2,4-DINITROBENZENESULFENYL CHLORIDE

Product Name: 2,4-DINITROBENZENESULFENYL CHLORIDE
CAS No.: 528-76-7
Chemical Name: 2,4-DINITROBENZENESULFENYL CHLORIDE
Synonyms: KHARASCH REAGENT;DNP-SULFENYL CHLORIDE;LABOTEST-BB LT00453936;2,4-Dinitrophenylthio chloride;(2,4-Dinitrophenylthio) chloride;2,4-dinitro-benzenesulfenylchlorid;2,4-DINITROPHENYLSULFENYL CHLORIDE;2,4-DINITROBENZENESULFENYL CHLORIDE;2,4-dinitrophenyl hypochlorothioite;2,4-Dinitrobenzenesulphenyl chloride
CBNumber: CB8349604
Molecular Formula: C6H3ClN2O4S
Formula Weight: 234.62
MOL File: 528-76-7.mol

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2,4-DINITROBENZENESULFENYL CHLORIDE Property

Melting point:: 94-97 °C(lit.)
Boiling point:: 430.1±35.0 °C(Predicted)
Density: 1.700 (estimate)
refractive index: 1.6000 (estimate)
storage temp.: 2-8°C
solubility: benzene: soluble
form: solid
color: Light orange to Yellow to Green
Merck: 14,3274
BRN: 405600
CAS DataBase Reference: 528-76-7(CAS DataBase Reference)
EPA Substance Registry System: Benzenesulfenyl chloride, 2,4-dinitro- (528-76-7)

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Safety

Hazard Codes: C
Risk Statements: 34-37
Safety Statements: 26-36/37/39-45
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
F: 8-9-19-21
HS Code: 2930.90.2900
HazardClass: 8
PackingGroup: III

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H228Flammable solid

H314Causes severe skin burns and eye damage

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P271Use only outdoors or in a well-ventilated area.

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

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

P310Immediately call a POISON CENTER or doctor/physician.

P370+P378In case of fire: Use … for extinction.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical

Product number: D1463
Product name: 2,4-Dinitrophenylsulfenyl Chloride
Purity: >96.0%(T)
Packaging: 5g
Price: $44
Updated: 2025/07/31

TRC

Product number: D479836
Product name: 2,4-Dinitrobenzenesulfenyl chloride
Packaging: 500mg
Price: $55
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD61093
Product name: 2,4-Dinitrophenylsulfenyl Chloride
Packaging: 2g
Price: $60
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD61093
Product name: 2,4-Dinitrophenylsulfenyl Chloride
Packaging: 5G
Price: $100
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD61093
Product name: 2,4-Dinitrophenylsulfenyl Chloride
Packaging: 10g
Price: $150
Updated: 2021/12/16

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2,4-DINITROBENZENESULFENYL CHLORIDE Chemical Properties,Usage,Production

Uses

2,4-Dinitrobenzenesulfenyl chloride was used in preparation of chlorine and bromine biphenyls.

Preparation

CAUTION: This reaction should be carried out in a hood behind a safety shield. The product decomposes explosively if heated above 90-100°C .
To a 500-ml, three-necked flask equipped with a mechanical stirrer, distillation column, and distillation head is added 100 gm (0.25 mole) of dry 2,4-dinitrophenyl disulfide and 250 ml of ethylene chloride. The contents are heated with an oil bath at 125°C until 30-40 ml of the solvent is collected by distillation. The contents are cooled and the distillation head replaced by a gas inlet and exit tube connected to an alkali trap. Then 0.15 gm (0.002 mole) of Merck "Iron by Hydrogen" powder is added as a catalyst [51a-c], and dry chlorine gas is slowly bubbled into the reaction. In a few minutes, the reaction warms up, and the flask is surrounded with a 20°C water bath. The chlorine gas is bubbled in at such a rate that 18 gm (0.25 mole) is added over a 1-1½-hr period. After this time, the suspended disulfide should gradually disappear, and a clear, amber-red solution results. The flow of chlorine gas is stopped, the solution stirred for 1 hr, filtered through diatomaceous earth, the filtrate aspirated to remove excess chlorine, and then 400 ml of anhydrous ether is added. Within ½ hr, most of the product crystallizes by cooling the flask in an ice-salt-water bath for 3-4 hr. The product is filtered, washed with 100 ml of cold ether, and then dried to afford 70 gm (60%) of brilliant yellow needles, m.p. 95-95.5°C.

Synthesis Reference(s)

Journal of the American Chemical Society, 72, p. 1796, 1950 DOI: 10.1021/ja01160a108

General Description

2,4-Dinitrobenzenesulfenyl chloride undergoes addition reactions with transannularly substituted cycloalkenes and norbornenes. 2,4-Dinitrobenzenesulfenyl chloride can convert allylic alcohols to dienes by 1,4-elimination.

Purification Methods

Crystallise the sulfenyl chloride from CCl4. [Beilstein 6 II 316.]

2,4-DINITROBENZENESULFENYL CHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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2,4-DINITROBENZENESULFENYL CHLORIDE Suppliers

Americas 1 CHINA 41 Europe 1 France 1 Germany 4 India 1 Japan 1 Switzerland 1 United Kingdom 5 United States 14 Global 70

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View Lastest Price from 2,4-DINITROBENZENESULFENYL CHLORIDE manufacturers

Shaanxi Dideu Medichem Co. Ltd

Product: 2,4-Dinitrophenylsulfenyl Chloride 528-76-7
Price: US $0.00-0.00/KG
Min. Order: 10mg
Purity: 99%HPLC
Supply Ability: 2000tons
Release date: 2020-01-19

Career Henan Chemical Co

Product: 2,4-DINITROBENZENESULFENYL CHLORIDE 528-76-7
Price: US $9.80/KG
Min. Order: 1g
Purity: ≥99%
Supply Ability: 100kg
Release date: 2020-01-09

Nanjing jinheyou Trading Co., Ltd.

Product: 2,4-DINITROBENZENESULFENYL CHLORIDE 528-76-7
Price: US $0.00/g
Min. Order: 1g
Purity: 99.5%min
Supply Ability: 20kg/week
Release date: 2019-10-31

528-76-7, 2,4-DINITROBENZENESULFENYL CHLORIDERelated Search:

N,N'-Diisopropylcarbodiimide 4-NITROBENZENESULFENYL CHLORIDE 2-NITROTHIOPHENOL 2,4-DINITROBENZENESULFENYL CHLORIDE 4-NITROTHIOPHENOL 2-Nitrobenzenesulfenyl chloride 3-NITROANILINE HYDROCHLORIDE 2,4-DINITROBENZENESULFONYL CHLORIDE

2,4-dinitro-benzenesulfenylchlorid

KHARASCH REAGENT

LABOTEST-BB LT00453936

DNP-SULFENYL CHLORIDE

2,4-Dinitrobenzenesulphenyl chloride

Benzenesulfenyl chloride,2,4-dinitro-

2 4-DINITROPHENYL SULFENYL CHLORIDE 96%

2,4-DINITROBENZENESULFENYL CHLORIDE

2,4-DINITROPHENYLSULFENYL CHLORIDE

2,4-Dinitrophenylsulfenyl chloride, Kharasch reagent

(2,4-Dinitrophenylthio) chloride

2,4-Dinitrophenylthio chloride

2,4-dinitrophenyl hypochlorothioite

(2,4-dinitrophenyl) thiohypochlorite

2,4-Dinitrophenylsulfenyl Chloride &gt

528-76-7

C6H3ClN2O4S

O2N2C6H3SCl

Peptide Synthesis

Protective Reagents (Peptide Synthesis)

Protection & Derivatization Reagents (for Synthesis)

Protein Modification

Proteomics and Protein Expression

Proteomics

Reagents for tryptophan modification

Specific Amino Acid Modification

BioChemical

Biochemistry

Peptide Synthesis

Protection & Derivatization Reagents (for Synthesis)

Protective Reagents (Peptide Synthesis)

Synthetic Organic Chemistry