Description

Disodium 9,9-Bis(2-Carbamoylethyl)Fluorene-2,7-Disulphonate is a high-purity, water-soluble organic intermediate featuring a fluorene core with sulfonate and carbamoylethyl functional groups. This compound is valued for its ability to act as a reactive monomer or functional additive, imparting specific properties like solubility, stability, and reactivity to advanced materials. It is primarily sought by manufacturers in the specialty polymer, optical materials, and advanced coating industries for developing high-performance products.

Application

• Polymer Synthesis: As a sulfonated monomer for producing water-soluble or ion-conductive polymers, including polyelectrolytes and specialty resins.
• Optical Materials: A key building block in the synthesis of fluorescent dyes, optical brighteners, and materials for organic light-emitting diodes (OLEDs).
• Advanced Coatings: Used to formulate functional coatings that require enhanced adhesion, hydrophilicity, or specific surface properties.
• Chemical Intermediate: Serves as a versatile precursor for further chemical modifications in pharmaceutical and agrochemical research.
• Dispersion & Stabilization: Acts as a dispersing agent or stabilizer in colloidal systems and pigment preparations.
• Research & Development: Employed in academic and industrial R&D for exploring new materials with tailored electronic or photonic characteristics.

Basic Information

Product Name	Disodium 9,9-Bis(2-Carbamoylethyl)Fluorene-2,7-Disulphonate
CAS No.	21876-21-1
Molecular Formula	C21H20N2Na2O10S2
Molecular Weight	570.49 g/mol
Synonyms	9,9-Bis(2-Carbamoylethyl)-2,7-Fluorenedisulfonic Acid Disodium Salt; 2,7-Fluorenedisulfonic Acid, 9,9-Bis(2-Carbamoylethyl)-, Disodium Salt; Disodium 9,9-Bis(2-Carbamoylethyl)Fluorene-2,7-Disulfonate; Fluorene-2,7-disulfonic acid, 9,9-bis(2-carbamoylethyl)-, disodium salt; BCFDS; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of Disodium 9,9-Bis(2-Carbamoylethyl)Fluorene-2,7-Disulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC and spectroscopic methods, to ensure consistent purity and performance. Certificates of Analysis (COA) detailing all critical specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
pH (1% Solution)	6.0 - 8.0

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