acid base indicators
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Dark Green Powder Neutral Red CAS 553-24-2 Titration Indicator
Dark Green Powder Neutral Red CAS 553-24-2 Titration Indicator Overview Neutral red, dark green powder obtained in 50% ethanol. Soluble in water or alcohol, it turns red. Its solubility in water, anhydrous ethanol, and ethylene glycol-ethe is 4%, 1.8%, and 3.75%, respectively. It is insoluble in ...
Ácido vanílico Cas 121-34-6
Vanillic Acid Cas 121-34-6 Vanillic acid, with the molecular formula C8H8O4 and a molecular weight of 168.14, is a white needle-like crystal that is odorless, sublimable, and non-decomposable. It has a melting point of 210°C, is easily soluble in ethanol, and slightly soluble in water. It does not ...
Complexo de O-Cresolftaleína 2411-89-4 C32H32N2O12 Corantes Indicador Complexo
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 ...
Venda de fábrica Bromothymol Blue CAS 76-59-5 com entrega rápida
Bromothymol Blue Quick Details Chemical Name: Bromothymol Blue CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight: 624.38 Bromothymol Blue Typical Properties Item Specifications Results PHDiscoloration domain 6.0(Yellow)~7.6(Blue) Confirms Mass absorption coefficient(L/cm·g)≥ 52.0 52.5 ...
C20H19ClN4 Vermelho Básico 2 CAS 477-73-6 Intermediários Cosméticos Corantes e Pigmentos
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 ...
Materiais-primas cosméticos Curcumina CAS 458-37-7 Extratos vegetais de corantes amarelos alimentares
Cosmetic Raw Materials Curcumin CAS 458-37-7 Food Yellow Coloring Plant Extracts Introduction: An orange-yellow crystalline powder with a characteristic odor. Melting point: 179–182°C. It is insoluble in water and diethyl-ethe, but soluble in ethanol, glacial acetic acid, and propylene glycol. It ...
Reguladores do crescimento das plantas 2-naftol CAS 135-19-3 Aditivos para alimentos para animais Conservante
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. ...
Fornecimento de fábrica Tintas naturais para têxteis Hematoxilina CAS 517-28-2 Pó fino castanho claro
Salicilato de 2-hidroxietila de alta pureza (CAS 87-28-5) para intermediários farmacêuticos e cosméticos. Oferece ácido salicílico de liberação sustentada com baixa irritação, aumenta a eficácia do protetor solar e serve como fixador de fragrâncias. Estável, solúvel em solventes orgânicos.
Sulfato de bário branco em pó BaO4S CAS 7727-43-7 Agente de dimensionamento para têxteis
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. ...
