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Image Unavailable-378011-100G

Basic blue 3 25% (dye content), Sigma-Aldrich®

Catalog Number: (378011-100G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Basic blue 3 (BB3) can be removed from aqueous solutions with the help of activated carbon prepared from rubber seed coat.[1] Basic blue 3 (C.I. 51104) is a cationic dye. It is generally positively charged in an aqueous solution. Basic blue 3 has a brilliant blue shade and thus has been used as a colourant in dyeing acrylic fabrics.
UOM: 1 * 100 g
Image Unavailable-M6900-50G

Methyl blue, powder or crystals, Sigma-Aldrich®

Catalog Number: (M6900-50G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Methyl Blue is a triaminotriphenylmethane dye, widely used in paper, textile and leather production.
UOM: 1 * 50 g
Image Unavailable-199311-5G

Tetrabromophenol blue, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Tetrabromophenol Blue (TBPB) belongs to the group of sulfonephthalein acid-base indicators. It is employed in the potentiometric titration of the halogens with Hg₂(NO₃)₂. In addition, it has been used as a dye indicator in urine dipstick test to detect proteinuria. In this assay, with increasing concentration of urinary protein, TBPB sequentially changes colour from pale green to blue. Binding of TBPB to proteins is dependent on pH.

Image Unavailable-01363-100ML-F

Methylene blue (Neisser) for microscopy, Sigma-Aldrich®

Catalog Number: (01363-100ML-F)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Methylene blue, Neisser formulation. Well developed granules of volutin (polyphosphate) may be seen in unstained wet preparations as round refractive bodies within the bacterial cytoplasm. With methylene blue they stain metachromatically, a reddish purple color.
UOM: 1 * 100 mL
Product Image-E847-25G

Toluidine blue O, powder, Certifiable Grade

Catalog Number: (E847-25G)
Supplier: VWR Chemicals
Description: A blue counterstain often used for metachromatic staining of mast cells, cartilage, and acid mucins. Black to dark green fine powder
UOM: 1 * 25 g

MSDS Certificates


Image Unavailable-244813-25G

Reactive blue 4 35% (dye content), Sigma-Aldrich®

Catalog Number: (244813-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Reactive Blue 4, Dye content 35 % (1-Amino-4-[3-(4,6-dichlorotriazin-2-ylamino)-4-sulfophenylamino]anthraquinone-2-sulfonic acid; Procion(R) blue MX-R)
UOM: 1 * 25 g
Image Unavailable-E2129-100G

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

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Evans blue has been used to check cell viability. It has been used to study BBB permeability.

Image Unavailable-330574-5G

Indophenol blue 60% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Indophenol Blue is used to colourimetrically measure N-containing compounds. The free amino acids react to form a blue color complex.

Certificates

Product Image-0672-50G

Toluidine blue O, high purity

Supplier: VWR Chemicals
Description: A blue counterstain often used for metachromatic staining of mast cells, cartilage, and acid mucins.

MSDS Certificates

Image Unavailable-1.08122.0005

Bromophenol blue ACS, Reag. Ph. Eur., Supelco®

Supplier: Merck
Description: Bromophenol blue ACS, Reag. Ph. Eur., Supelco®

MSDS Certificates

Image Unavailable-510998-5G

Bromochlorophenol blue 95% (dye content), Sigma-Aldrich®

Catalog Number: (510998-5G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Bromochlorophenol blue 95% (dye content), Sigma-Aldrich®
UOM: 1 * 5 g
Image Unavailable-03978-250ML

Methylene blue concentrated solution (Ehrlich) for microscopy, Sigma-Aldrich®

Catalog Number: (03978-250ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Solution, for microscopy, concentrate according to Ehrlich, concentrated, aqueous solution (Methylene blue stain; Ehrlich's reagent III; Loeffler's Methylene Blue)
UOM: 1 * 250 mL

Certificates


Product Image-1.04593.0025

Hydroxynaphthol blue indicator for metal titration, Supelco®

Catalog Number: (1.04593.0025)
Supplier: Merck
Description: Hydroxynaphthol blue indicator for metal titration, Supelco®
UOM: 1 * 25 g

MSDS Certificates


Image Unavailable-195219-25G

Mordant Blue 9 50% (dye content), Sigma-Aldrich®

Catalog Number: (195219-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Mordant Blue 9, Dye content 50 % (6-(5-Chloro-2-hydroxy-3-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt; 6-(5-Chloro-2-hydroxy-4-sulfonphenylazo)-5-hydroxy-1-naphthalene-sulfonic acid sodium salt)
UOM: 1 * 25 g
Product Image-87797.180

Bromothymol blue 1% in DMF Reag. Ph. Eur. 1012902

Catalog Number: (87797.180)
Supplier: VWR Chemicals
Description: Bromothymol blue 1% in DMF Reag. Ph. Eur. 1012902
UOM: 1 * 100 mL

MSDS Certificates


Image Unavailable-234176-25G

Victoria blue R 80% (dye content), Sigma-Aldrich®

Catalog Number: (234176-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Victoria Blue R is a basic dye. It belongs to the class of diphenylnaphthylmethane dyes. Victoria Blue R has been employed in manufacture of lake pigments. It has lot of industrial applications, but it is rarely used as a biological stain.
UOM: 1 * 25 g
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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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