acid base indicators
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O-Cresolphthalein Complexone 2411-89-4 C32H32N2O12 Chỉ số phức tạp vết bẩn
Chemical Reagents O-Cresolphthalein Complexone CAS 2411-89-4 C32H32N2O12 Biological Stains Complex Indicators Acid-base Indicators Introduction: O-Cresolphthalein Complexone is a white or yellow powder, insoluble in water, soluble in dilute alkali and blue, with a pH value of 8.2-9.8 (color ranges from colorless to red); the maximum absorption peak is 566 (381) mm. Uses: Biological Stains Complex Indicators Acid-base Indicators. Product Name O-Cresolphthalein Comple CAS 2411
C20H19ClN4 Đỏ cơ bản 2 CAS 477-73-6 Các chất trung gian mỹ phẩm Màu sắc và sắc tố
Basic Dyes Cosmetic Intermediates Basic Red 2 CAS 477-73-6 Dyes And PigmentsRedox Indicators Introduction: It is red when dissolved in water and red (red fluorescence with yellow light) when dissolved in ethanol. It is green in concentrated sulfuric acid, blue after dilution, and turns to red. Its aqueous solution produces a brown-red precipitate when sodium hydroxide is added, and blue-purple when hydrochloric acid is added. Uses: Basic pink is mainly used for paper coloring
Các chất điều chỉnh tăng trưởng thực vật 2-Naphthol CAS 135-19-3 Chất bảo quản thức ăn
Plant Growth Regulators 2-Naphthol CAS 135-19-3 Feed Additives Preservative Overview of Plant Growth Regulators 2-Naphthol CAS 135-19-3 Feed Additives Preservative White shiny flakes or white powder. Insoluble in water, easily soluble in ethanol, ethe, chloroform, glycerol and alkaline solution. Product Parameters of Plant Growth Regulators 2-Naphthol CAS 135-19-3 Feed Additives Preservative Item Value Product Name 2-Naphthol CAS 135-19-3 MF C10H8O MW 144.17 EINECS 205-182-7
Bột Barium Sulfate trắng BaO4S CAS 7727-43-7 Chất kích thước cho dệt may
Fillers Inorganic Chemicals Barium Sulfate CAS 7727-43-7 Sizing Agent For Textile Introduction: Barium sulfate is also called barite, with the chemical formula BaSO4, colorless or white orthorhombic crystals. Relative molecular weight 233.40. Relative density 4.5 (15°C). Melting point 1580°C. Refractive index 1.637. When heated to 1149°C, it becomes monoclinic crystals, at which time the refractive index is 1.649. It is almost insoluble in water, with a refractive index of
