Description

Disodium 1,3-Dihydro-7-Methyl-2-Oxo-2H-Indole-3,3-Diylbis(p-Phenylene) Bis(Sulphate) is a high-purity, specialized organic salt compound with significant utility in advanced chemical synthesis. This product is valued for its role as a key intermediate or functional additive in applications demanding precise molecular architecture and consistent performance. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty dye industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex active pharmaceutical ingredients (APIs), particularly those with indole-based structures.
• Agrochemical Synthesis: Serves as a building block for developing novel herbicides, fungicides, or plant growth regulators.
• Functional Dye & Pigment Production: Acts as a precursor or sulfonating agent in the manufacture of specialized dyes and colorants.
• Research & Development: Employed in academic and industrial R&D for exploring new organic reactions and material properties.
• Polymer Modification: Can be used to introduce sulfonate groups into polymers to alter solubility, ionic character, or other physical properties.
• Photographic Chemicals: Potential application in the formulation of light-sensitive compounds for specialized photographic processes.

Basic Information

Product Name	Disodium 1,3-Dihydro-7-Methyl-2-Oxo-2H-Indole-3,3-Diylbis(p-Phenylene) Bis(Sulphate)
CAS No.	54935-04-5
Molecular Formula	C22H16NNa2O10S2
Molecular Weight	555.47 g/mol
Synonyms	Disodium 7-Methyl-2-oxo-2H-indole-3,3-diylbis(4,1-phenylene) disulfate; 2H-Indole-3,3-diylbis(4,1-phenylene) disulfuric acid, 1,3-dihydro-7-methyl-2-oxo-, disodium salt; 7-Methyl-2-oxo-2H-indole-3,3-diylbis(p-phenylene) bis(sulfate) disodium salt; Disodium 7-methyl-2-oxo-2,3-dihydro-1H-indole-3,3-diylbis(4,1-phenylene) disulfate; Indole disulfonate derivative (disodium salt); Phenolic indole disulfate salt.
EINECS	Contact for details

Quality Control

Our Disodium 1,3-Dihydro-7-Methyl-2-Oxo-2H-Indole-3,3-Diylbis(p-Phenylene) Bis(Sulphate) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive applications. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The container must be kept tightly sealed due to potential moisture sensitivity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in water, DMSO; slightly soluble in methanol

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