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Image Unavailable-49547-25MG

Organic reference standard, Naphthol Yellow S, analytical standard, Supelco®

Catalog Number: (49547-25MG)
Supplier: Merck
Description: Naphthol Yellow S is a dye that is known for its hazardous nature.
UOM: 1 * 25 mg
Image Unavailable-18137-25MG

Organic reference standard, Ponceau 4R, analytical standard, Supelco®

Catalog Number: (18137-25MG)
Supplier: Merck
Description: Ponceau 4R is a synthetic red azo dye and is used as a food colorant. It is used in range of alcoholic and non-alcoholic beverages, food stuffs, preserved fruits and more. It exists as trisodium-2-hydroxy-1-(4-sulfonato-1-naphthylazo)-6,8-naphthalenedisulphonate.
UOM: 1 * 25 mg

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Image Unavailable-38213-25MG

Organic reference standard, Allura Red AC, analytical standard, Supelco®

Catalog Number: (38213-25MG)
Supplier: Merck
Description: Allura Red AC comprises of 6-hydroxy-5-(2-methoxy-5-methyl-4-sulfonate-phenylazo)-2-napthalene-sulfonate, which is basically an azo-coupling product between the meta-isomer of cresidine-p-sulphonic acid (CSA) and Schaeffer′s salt (SS).
UOM: 1 * 25 mg
Image Unavailable-96365-25MG

Organic reference standard, Ponceau 6R, analytical standard, Supelco®

Catalog Number: (96365-25MG)
Supplier: Merck
Description: Ponceau 6R is a red azo dye which is widely used as a food colorant and also used in histology staining. It is soluble in water and slightly soluble in ethanol.
UOM: 1 * 25 mg
Image Unavailable-69143-25MG

Organic reference standard, Orange II sodium salt, analytical standard, Supelco®

Catalog Number: (69143-25MG)
Supplier: Merck
Description: Orange II sodium salt can undergo oxidation by hydrogen peroxide, which is catalysed by ferric ion complexed to tetra amido macrocyclic ligands(FeIII–TAML activators) to give out carbon dioxide, carbon monoxide, small aliphatic carboxylic acids and phthalic acid as the major products.
UOM: 1 * 25 mg

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Image Unavailable-49639-50MG

Organic reference standard, Solvent Yellow 124, analytical standard, Supelco®

Supplier: Merck
Description: Solvent Yellow 124 is a marker dye, generally used in diesel oil as a green colorant, which can be analysed using high performance liquid chromatography method (HPLC). It is mainly used to prevent the misuse of low tax diesel fuel and as to also calculate the adulteration of road fuel with low tax diesel fuel.

Image Unavailable-68724-25MG

Organic reference standard, Fast Green FCF, analytical standard, Supelco®

Catalog Number: (68724-25MG)
Supplier: Merck
Description: Fast Green FCF is a synthetic organic dye belongs to the triphenylmethane group. It has wide range of applications in food and beverage industry. It can also be used in research for staining of proteins and identification of extracellular recording or injection sites by electrophysiological experiments.
UOM: 1 * 25 mg
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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