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Image Unavailable-230987-25G

Victoria pure blue bo 90% (dye content), Sigma-Aldrich®

Catalog Number: (230987-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Victoria blue dyes are triaminodiphenylnaphthylmethanes, with lipophilic cations and large conjugated systems.
UOM: 1 * 25 g
Image Unavailable-235474-5G

Acridine orange base ≥75% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Acridine Orange base (3,6-Bis(dimethylamino)acridine) is a cell-permeable fluorescent dye that binds to nucleic acids. It emits green fluorescence when bound to dsDNA and red fluorescence when bound to ssDNA or RNA. It is also known to be a positive solvatochromic dye. Acridine orange has also been used as a lysosomal dye. It is widely used to detect the presence of homeopathic potencies.

Image Unavailable-210684-25G

Acid blue 25 45% (dye content), Sigma-Aldrich®

Catalog Number: (210684-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Acid Blue 25, Dye content 45 %
UOM: 1 * 25 g
Image Unavailable-N5632-25G

Nile blue A ≥75 % (dye content), Sigma-Aldrich®

Catalog Number: (N5632-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Nile Blue A, Dye content ≥75 % (Basic Blue 12; Nile blue sulfate)
UOM: 1 * 25 g

Certificates


Image Unavailable-215643-5G

1,4,5,8-Tetraamino-9,10-anthraquinone 30% (dye content), Sigma-Aldrich®

Catalog Number: (215643-5G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Disperse blue 1 is a grey to black powder. Disperse dyes are known to be insoluble in water and are applied to the substrate as suspensions or dispersions by dissolving in hydrophobic regions of the polymers making up the fiber.
UOM: 1 * 5 g
Image Unavailable-P4544-5G

5-Ethylphenazinium ethyl sulphate ≥95%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Phenazine ethosulfate is a cationic dye and a chemical electron acceptor. It is used in dye-linked enzyme assays. At a high pH, the dye produces free radicals, which may be the actual electron acceptors.

Image Unavailable-N7005-1G

Neutral red 90% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Neutral red (C.I. 50040) is a protonated diaminophenazine dye. It is aminodimethylaminomethylphenazinehydrochloride, C15H17N4Cl.

Certificates

Image Unavailable-215686-50G

Disperse Yellow 3 30% (dye content), Sigma-Aldrich®

Catalog Number: (215686-50G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Disperse Yellow 3, Dye content 30 % (4-(2-Hydroxy-5-methylphenylazo)acetanilide; N-[4-(2-Hydroxy-5-methylphenylazo)phenyl]acetamide)
UOM: 1 * 50 g
Image Unavailable-201987-100G

Xylene fast yellow 2G 60% (dye content), Sigma-Aldrich®

Catalog Number: (201987-100G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Acid yellow-17 (C.I. 18965), also known as Disodium 2, 5-dichloro-4-(5-hydroxy-3-methyl-4-(sulphophenylazo)pyrazol-1-yl) benzenesulphonate, and Yellow 2G is an anionic, reactive textile dye. This synthetic azo dye possesses a stable aromatic structure with SO₃H and OH groups. The applications of Acid yellow-17 are seen in detergent, soap, textile, printing, and cosmetic industries.
UOM: 1 * 100 g
Product Image-733-2574

VWR®, DNA loading buffers

Supplier: VWR Chemicals
Description: These DNA loading dyes are used to load DNA samples to agarose or SDS DNA gels for gel electrophoresis.

SDS Certificates

Image Unavailable-201677-25G

Janus green B 65% (dye content), certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Janus Green B has been used in staining technique to determine cell density, to detect the presence of telocytes in trachea and lungs and used as a dye to visualize bonghan ducts inside lymphatic vessels of rabbits.

Image Unavailable-546062-100MG-A

Rhodamine 19 perchlorate ~95% (dye content), Sigma-Aldrich®

Catalog Number: (546062-100MG-A)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Rhodamine 19 perchlorate ~95% (dye content), Sigma-Aldrich®
UOM: 1 * 100 mg
Image Unavailable-S7635-500MG

Sulphorhodamine 101 ~95 % (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Sulforhodamine 101 is a red fluorescent dye. It is water-soluble, amphoteric rhodamine.

Image Unavailable-201871-10G

Direct yellow 27, Sigma-Aldrich®

Catalog Number: (201871-10G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: As a direct dye, Direct Yellow 27 is an acid dye with large molecules that will bind to cellulose fibers directly. It is mono azo dye with good light fastness.
UOM: 1 * 10 g
Product Image-30969.261

Schiff reagent for analysis of aldehydes

Catalog Number: (30969.261)
Supplier: VWR Chemicals
Description: Schiff reagent for analysis of aldehydes
UOM: 1 * 500 mL

SDS Certificates


Image Unavailable-335940-10G

Xylene cyanole FF ≥75% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Xylene cyanol is often used as a tracking dye during agarose or polyacrylamide gel electrophoresis. It has a slightly negative charge and will migrate in the same direction as DNA, allowing the user to monitor the progress of molecules moving through the gel. The tracking dye typically migrates with the DNA molecules around 5 kb. Xylene cyanol may also be used in loading buffer that facilitates the observation of the sample during gel loading and electrophoresis.

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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 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
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 Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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