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Solvent Red 24 vs Solvent Red 43: A Practical Specification Comparison
- Time of issue:Nov . 02, 2026 02:13
(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .
- Categories:Company dynamic
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- Time of issue:2019-12-30 10:55
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Solvent Red 24 and Solvent Red 43 differ in chemical identity, molecular weight, appearance, and listed applications. This comparison gives procurement teams a concise way to match each dye to a technical requirement using comparable specifications. Solvent Red 24 Solvent Red 43 Solvent Red 24 and Solvent Red 43 are different chemical products, even though both are red dyes used in technical applications. Their CAS numbers, molecular formulas, molecular weights, physical appearance, and listed uses provide a clear starting point for selection. The molecular formulas and weights show that these are different substances. One has a molecular weight of 380.45, while the other has a molecular weight of 647.89. The appearance also differs: one is a red-brown powder, and the other is an orange-red crystalline powder. Choose Solvent Red 24 when the specification calls for CAS 85-83-6, formula C24H20N4O, and a red-brown powder used as a biological dyeing agent. A laboratory or production team ordering against an existing specification should match the CAS number and molecular formula before approving a substitute. Choose Solvent Red 43 when the requirement identifies CAS 15086-94-9, formula C20H8Br4O5, or a product for adsorption indicators and biological dyeing agents. Its orange-red crystalline powder form and anthraquinone-derivative classification help distinguish it during incoming material checks. Picture an incoming inspection station receiving both products in separate containers. The product name alone is not enough for identification because both names contain “Solvent Red.” Match the container label, CAS number, molecular formula, molecular weight, and appearance to the purchase specification before the material enters the process. The first check is chemical identity. Use 85-83-6 for the first product and 15086-94-9 for the second. The molecular formula provides a second identity check, while molecular weight supports a third check against the required specification. Application should be checked next. The first product is listed for biological dyeing agents. The second is listed for adsorption indicators and biological dyeing agents. If the order is for an adsorption-indicator application, the second product is the closer match to that listed use. If the order is for biological dyeing, both products have that use listed, so the required chemical identity should decide the selection. Send the required CAS number, formula, application, quantity, and packaging requirement to Tangshan Moneide Trading Co., Ltd. when requesting a quotation, and ask the supplier to align the offered product with the selected identity. The people About the author The company Tangshan Moneide Trading Co., Ltd. established in 2011, who is specialized in the export of fine chemicals. The company dedicated to the development, production and marketing of chemicals. Moneide covers whole range from small amount (gram grade) for research to big bulk for industrial production. Our products series mainly include electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .… Your next step Use case, specification, quantity and delivery window: make the next conversation specific.Specification comparison
Criterion Solvent Red 24 Solvent Red 43 CAS number 85-83-6 15086-94-9 Molecular formula C24H20N4O C20H8Br4O5 Molecular weight 380.45 647.89 Appearance Red-brown powder Orange-red crystalline powder Chemical class Azo dye Anthraquinone derivative Biological test Passes test Biological dyeing test passes Main listed application Biological dyeing agents Adsorption indicators and biological dyeing agents Which product fits the work?
Selection points for procurement
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