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China, Chinese Basic Yellow 2 CAS 2465-27-2 Auramine O C. I. 41000 Biological Stain, 90%Min1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Chemical Reagent90%MinBasic Yellow 22465-27-2
Ningbo Surest Chemical Co., Ltd.
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Product Description Product DescriptionNameBasic Yellow 2SynonymsC.I. 41000; Auramine O; 4,4'-Carbonimidoylbis(N,N-dimethylaniline) hydrochlorideMolecular StructureMolecular FormulaC17H21N3.HClMolecular Weight303.83CAS Registry Number2465-27-2EC Number219-567-2PropertiesMelting point>250 oC (dec.) Main Uses:1. Industrial dyesUsed for dyeing materials such as hemp, leather, paper, and synthetic silk, its color lake can be applied to wallpaper, ink, and paint manufacturing.It can be used as a direct dye or catalyst in textile, foam plastics and other industrial fields to produce stable color effects.2. Biological staining and medical testingAs a fluorescent dye, it is used for staining acid fast bacteria (such as tuberculosis bacillus), and can assist in diagnosis of tuberculosis through fluorescence microscope observation.Combined with Carbol, it can enhance the fluorescence colorimetric effect of Mycobacterium tuberculosis and improve detection sensitivity. Certificate of Analysis TestSpecificationResultAppearance (Color)Yellow to Ocher-yellowConforms to RequirementsYellowAppearance (Form)Powder and/or ChunksPowderInfrared Spectrum Conforms to StructureConformsCarbon 52.1 - 87.4 % 59.9%Nitrogen10.7 - 18.0 % 16.3%Solubility (Turbidity) Clear to Very Hazy Slightly HazyDye content≥90%90.15% Detailed PhotosFAQQuestion 1: Can I get samples?Answer: Yes,you can get free samples of our most products,while the courier cost will be borne by the buyers.Question 2: What's your MOQ?Answer: For a express delivery order,the MOQ is usually 100 g~1 kg;for an air transport order or sea delivery order ,the MOQ is usually 25 kgs.Question 3: What's your delivery time?Answer: Orders shipped by express delivery,the delivery time is usually 5~7 working days;Orders shipped by air transport,usually around 7~10 working days; Orders shipped by sea , usually around 2~3 working weeks.Question 4: What are the different payment methods?Answer: We usually accept T/T, L/C and Western Union.Question 5: How do you treat quality complaint?We take quality very seriously, it is one of the founding principles of our business. If the quality problem actually exists, we will replace with qualified goods or refund the money.
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