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Supplier: Thermo Scientific
Description: 4,4'-Bi-o-toluidine dihydrochloride ACS
Supplier: Thermo Scientific
Description: 4,4'-Bi-o-toluidine dihydrochloride ≥97%

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Supplier: Thermo Scientific
Description: 4,4'-Bi-o-toluidine dihydrochloride 99%
Catalog Number: (31659-100MG)
Supplier: Merck
Description: o-Tolidine, Supelco®
UOM: 1 * 100 mg


Catalog Number: (28671.187)
Supplier: VWR Chemicals
Description: o-Tolidine ≥97%, TECHNICAL
UOM: 1 * 100 g

Catalog Number: (28672.294)
Supplier: VWR Chemicals
Description: Determination of oxygen or free chlorine
UOM: 1 * 1 L

Supplier: SIGMA-ALDRICH MICROSCOPY
Description: o-Tolidine is a diacidic dye which is sparingly soluble in water and easily soluble in ether and alcohol. On exposure to chlorine or bromine vapors, it forms an intense blue color. This forms the basis for detection of chlorine, nitrates and hydrogen peroxide in air or water. It turns yellow on reacting with free chlorine. o-Tolidine easily forms acid salts.

Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Trypan blue is a tetrasulfonated anionic, hydrophilic azo dye derived from toluidine. The non-permeable cell membrane dye is a vital dye that selectively stains dead or non-viable cells, that pass through damaged but not through intact cell membranes.
Supplier: Thermo Scientific
Description: o-Tolidine 95% pract.
Supplier: Thermo Scientific
Description: o-Tolidine ≥98%
Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Bismarck brown Y, Sigma-Aldrich®

Supplier: Thermo Scientific
Description: Bismarck brown Y
Catalog Number: (46106-100MG)
Supplier: Merck
Description: 4,4'-Methylenedi-o-toluidine, Supelco®
UOM: 1 * 100 mg


Supplier: Merck
Description: m-Toluidine for synthesis, Sigma-Aldrich®

Catalog Number: (APOSOR49083-25G)
Supplier: Apollo Scientific
Description: 4,4'-Methylenedi-o-toluidine
UOM: 1 * 25 g


Catalog Number: (MOLEM61849094)
Supplier: Molekula
Description: Bismarck brown Y
UOM: 1 * 100 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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