Description

Sulfochlorophenol S is a specialized organic chemical compound valued for its unique sulfonated and chlorinated phenolic structure. This compound serves as a critical intermediate in the synthesis of dyes, pigments, and advanced functional materials, where its specific reactive sites enable precise chemical modifications. It is particularly relevant for manufacturers and R&D laboratories in the fine chemical, specialty dye, and pharmaceutical intermediate sectors seeking high-purity building blocks for complex syntheses.

Application

• Dye and Pigment Intermediate: A key precursor in the manufacture of sulfonated azo dyes and other colorants, providing enhanced water solubility and color fastness.
• Pharmaceutical Synthesis: Utilized as a building block for creating active pharmaceutical ingredients (APIs) and other bioactive molecules requiring a halogenated phenolic moiety.
• Chemical Research & Development: Serves as a versatile reagent in organic synthesis for introducing both sulfonate and chloro functional groups into target molecules.
• Specialty Surfactant Production: Can be used in the development of anionic surfactants with specific dispersing or emulsifying properties.
• Analytical Chemistry: May function as a chromogenic agent or a complexing agent in certain spectrophotometric analytical methods.
• Polymer Modification: Employed to introduce functional groups into polymer chains to alter properties like hydrophilicity or reactivity.

Basic Information

Product Name	Sulfochlorophenol S
CAS No.	2103-73-3
Molecular Formula	C12H8Cl2O5S
Molecular Weight	335.16 g/mol
Synonyms	Phenol, 4,5-dichloro-3-(phenylsulfonyl)-; 4,5-Dichloro-3-(phenylsulfonyl)phenol; 3-(Benzenesulfonyl)-4,5-dichlorophenol; 4,5-Dichloro-3-(benzenesulfonyl)phenol; Sulfochlorophenol S; NSC 403107; 1-Hydroxy-4,5-dichloro-3-(phenylsulfonyl)benzene
EINECS	Contact for details

Quality Control

Our Sulfochlorophenol S is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting standards. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.