Description

2,5-Cyclohexadien-1-One, 4-[[4-(Phenylamino)Phenyl]Imino]-, Reaction Products With Sodium Sulfide (Na2(Sx)) is a specialized organic sulfur compound, primarily recognized as a key intermediate in the synthesis of sulfur dyes and functional pigments. Its commercial value lies in its ability to impart specific color properties and chemical resistance to materials. This product is essential for manufacturers in the textile dyeing, leather finishing, and specialty chemical synthesis industries seeking consistent, high-performance intermediates.

Application

• Primary Intermediate for Sulfur Dyes: A crucial building block in the production of black, blue, and brown sulfur dyes for cotton and cellulose fiber dyeing.
• Pigment Manufacturing: Used in the synthesis of organic pigments for inks, paints, and plastics, where sulfur-based structures enhance durability.
• Leather Processing: Employed in the formulation of dyes and finishing agents for leather, providing deep, fast colors.
• Chemical Synthesis: Serves as a specialized intermediate for synthesizing more complex sulfur-containing organic compounds in pharmaceutical and agrochemical research.
• Textile Auxiliaries: A component in chemical formulations used to improve dye uptake and fastness properties on textile substrates.

Basic Information

Product Name	2,5-Cyclohexadien-1-One, 4-[[4-(Phenylamino)Phenyl]Imino]-, Reaction Products With Sodium Sulfide (Na2(Sx))
CAS No.	1327-59-9
Molecular Formula	Complex Mixture (Contact for details)
Molecular Weight	Contact for details
Synonyms	C.I. Sulfur Black 1; Immedial Black; Sulfur Black; Sulphur Black 1; C.I. 53185; 4-[[4-(Phenylamino)phenyl]imino]-2,5-cyclohexadien-1-one reaction products with sodium sulfide; Sodium sulfide reaction products with 4-[[4-(phenylamino)phenyl]imino]-2,5-cyclohexadien-1-one
EINECS	215-473-4

Quality Control

Our production of this sulfur dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through parameters including color strength, solubility, and impurity profile. A Certificate of Analysis (COA) detailing specific lot results is provided with every shipment to guarantee it meets your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and oxidation.

Specification

Item	Specification
Appearance	Dark gray to black powder or lumps
Identification (IR)	Conforms to structure
Color Strength	Standard depth ±5% (vs. reference)
Moisture Content	≤ 5.0%
Ash Content	≤ 3.0%
Solubility (in specific medium)	Conforms

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