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China, Chinese CAS No. 3441-14-3 Ditect Fast Bordeaux Dye for Textile1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pigment DyeDirect DyeDyestuffTextile Dyes
Jiangxi Morni Chemical Co., Ltd.
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Product Description Product Description Basic InformationChemical Formula: C35H25N7Na2O10S2Molecular Weight: 813.72Appearance: Fuchsia powderPhysical PropertiesSolubility: Soluble in water, presenting a bright red color; slightly soluble in ethanol, showing an orange color; insoluble in acetone. It appears bright red to magenta in concentrated sulfuric acid, and turns to brownish orange after dilution; an orange-yellow precipitate forms in concentrated nitric acid; it is insoluble in concentrated sodium hydroxide solution; and it shows a bright red color in concentrated ammonia water.Chemical PropertiesStability: Stable under normal temperature and pressure.Other PropertiesToxicity: Direct Red 23 contains azo groups and is toxic and carcinogenic.Uses: Mainly used for dyeing and printing cotton, viscose, linen and other cellulosic fabrics; also applicable for dyeing silk and wool; additionally used for dyeing paper and leather, as well as in the manufacture of lake pigments.Transportation Information: It is classified as a non-hazardous material for European land transport, international maritime transport and international air transport.Key Terminology NotesDirect Red 23: The international common name for the dye, following the naming convention of direct dyes (direct dyes are a class of dyes that can directly dye cellulosic fibers in an aqueous solution without relying on mordants).Azo groups: Functional groups with the structure ?N=N?, which are common in synthetic dyes but may decompose into toxic aromatic amines under certain conditions (e.g., high temperature, strong acid/base), hence the emphasis on toxicity and carcinogenicity.Lake pigments: Pigments formed by precipitating water-soluble dyes with metal salts (e.g., aluminum sulfate) or organic bases, with good light resistance and weather resistance, widely used in coatings, inks and plastics.Specification Company profile Exhibition Packing & Delivery FAQ
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