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Catalog Number: (59573-25MG)
Supplier: Merck
Description: Organic Standard, Acid Red 33, ≥97,0% (HPLC)
UOM: 1 * 25 mg


Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Phenol Red is a phenolsulfonphthalein compound. It is present as a sulfonated hydroxyquinone in weakly acidic aqueous solutions. In alkaline solutions, the dye forms a hydrophilic dianion (a small, red anion and has a larger conjugated system than the yellow hydroxyquinone).

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Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Phenol Red sodium salt is widely used as a pH indicator. At a pH of 6,4 and below, phenol red solution will have a yellow colour. At a pH of 8,2 and above, it will have a red colour. It is commonly used in culture media to detect neutral to acidic pH changes.

Supplier: Thermo Scientific
Description: Ethyl red
Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Xylenol orange tetrasodium salt is a fluorochrome acid dye with complexing and chelating properties that make it useful as an indicator in the spectrophotometric detection and assay of metal ions such as calcium, cadmium, bismuth, zinc, lead, and mercury. Its tetrasodium salt especially is used as an indicator in metal titrations. It changes color from yellow to red between pH 6.4 to 10.4. It has six potentially anionic substituents, one being sulfonate, and is anionic under staining conditions and during most laboratory applications.

Supplier: Spectrum Chemical
Description: D and C Red No. 33 | Non-graded D and C Red No. 33 supplied by Spectrum is indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

Catalog Number: (AATB23056)
Supplier: AAT BIOQUEST INC
Description: Congo red (CR) is the sodium salt of benzidinediazo-bis-1-naphtylamine-4-sulfonic acid.
UOM: 1 * 100 mg

New Product


Catalog Number: (75768-25MG)
Supplier: Merck
Description: Congo red, Supelco®
UOM: 1 * 25 mg


Supplier: MP Biomedicals
Description: Phenol Red Sodium Salt is used as a pH indicator, it is used widely in culture media to identify changes from neutral to acidic pH values.

Supplier: Merck
Description: Phenol red Reag. Ph. Eur.
Supplier: Merck
Description: Phenol red ACS
Catalog Number: (1.01340.0025)
Supplier: Merck
Description: Congo red, Supelco®
UOM: 1 * 25 g

Supplier: Merck
Description: Cresol red
Catalog Number: (1.01641.0001)
Supplier: Merck
Description: Kit for the detection of amyloid acc. to Highman
UOM: 1 * 0,196 L

MSDS


Catalog Number: (1.07242.0100)
Supplier: Merck
Description: Phenol red solution indicator, Supelco®
UOM: 1 * 100 mL

MSDS


Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Congo red, Sigma-Aldrich®

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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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