Indigotine Indigotin Indigo Carmine E132 Food Blue 1 CI 73015 Dye Pigment Colour

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Vendedor: cartrite (14.199) 99.5%, Ubicación del artículo: Stockport, Realiza envíos a: Worldwide, Número de artículo: 162593435187 Indigotine Indigotin Indigo Carmine E132 Food Blue 1 CI 73015 Dye Pigment Colour Indigotine Indigotin Indigo Carmine E132 Food Blue 1 CI 73015 Dye Pigment Colour Indigo carmine Names CI Name: Food Blue 1 CI Number: 73015 CAS Number:? 860-22-0 EC Number:? 212-728-8 Equivalent to FD&C Blue No. 2 IUPAC name 3,3′-dioxo-2,2′-bis-indolyden-5,5′-disulfonic acid disodium salt Other names indigotine; 5,5′-indigodisulfonic acid sodium salt Identifiers ATC code V04CH02 CAS Registry Number: 860-22-0 ChemSpider 4447431 Jmol-3D images Image PubChem 5284351 Properties Chemical formula: C16H8N2Na2O8S2 Molar mass 466.36 g/mol Appearance purple solid Melting point >300 ?C (572 ?F) Solubility in water: 10 g/L (25 ?C (77 ?F)) Except where otherwise noted, data are given for materials in their standard state (at 25 ?C [77 ?F], 100 kPa). Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, also known as indigotine or FD&C Blue #2 is a pH indicator with the chemical formula C16H8N2Na2O8S2. It is approved for use as a food colorant in the United States and in Europe. and has the E number E132. Uses: Indigo carmine is commonly used as a pH indicator, often in a 0.2% aqueous solution. It is blue at pH 11.4 and yellow at 13.0. Indigo carmine is also a redox indicator, turning yellow upon reduction. Another use is as a dissolved ozone indicator?through the conversion to isatin-5-sulfonic acid. This reaction has been shown not to be specific to ozone, however: it also detects superoxide, an important distinction in cell physiology. It is also used as a dye in the manufacturing of capsules. In obstetric surgery, indigo carmine solutions are sometimes employed to detect amniotic fluid leaks. In urologic surgery, intravenous injection of indigo carmine is often used to highlight portions of the urinary tract. The dye is filtered rapidly by the kidneys from the blood, and colors the urine blue. This enables structures of the urinary tract to be seen in the surgical field, and demonstrate if there is a leak. However, the dye can cause a potentially dangerous increase in blood pressure in some cases. Postage Delivery to any UK destination won't cost you a penny. If you are not in the UK, you'll only pay the postage on the first item. Payment We accept the following payment methods: Paypal Cheques or money orders. Denominated in Pound Sterling only please BACS transfer Please contact us if you have any questions. 30 Day Returns Complete peace of mind with our 30 days returns facility. Condition: New, MPN: Does Not Apply, Brand: cartrite

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