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4,4'-Biphenyldiboronic acid bis(pinacol)ester 95%

Supplier: Thermo Scientific
Description: 4,4'-Biphenyldiboronic acid bis(pinacol)ester 95%

MSDS Certificates

Image Unavailable-APOSOR303502-1G

4,4'-Biphenyldiboronic acid bis(pinacol)ester

Supplier: Apollo Scientific
Description: 4,4'-Biphenyldiboronic acid bis(pinacol)ester

Bürkle single-use powder and liquid funnels

Cleanroom manufactured funnels, a practical and hygienic pouring aid! Also available sterile (10-6). Made of PS, compliant to EU food and FDA regulations.

More info

A truly clean filling aid for your lab

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4,4'-Biphenyldiboronic acid 97%

Supplier: Apollo Scientific
Description: 4,4'-Biphenyldiboronic acid 97%

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4,4'-Biphenyldiboronic acid 95%

Supplier: Thermo Scientific
Description: 4,4'-Biphenyldiboronic acid 95%

MSDS Certificates

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4,4′-Azo-bis(4-cyanovaleric acid), (∼18% H₂O) 98%

Supplier: Thermo Scientific
Description: 4,4'-Azobis(4-cyanovaleric acid) is used as a free radical imitator in polymer synthesis such as polyvinyl chloride, polyacrylonitrile, polyvinyl alcohol, and synthetic fibres.

MSDS Certificates

Product Image-ELTN250001/44

ESD saftey shoes for Foot Diseases, 3 in 1, Lace-Up, Dialution

Supplier: ELTEN GMBH
Description: These leather-free ESD safety shoes, especially designed for people with foot diseases, are made from seamless, hydrophobised textile Cordura® upper (tear and abrasion resistant, dirt and water repellent). They have a full padded bellows tongue and collar and an anti-static, slip resistant and profiled double density PU/PU DIALUTION sole (abrasion, oil and fuel resistant, temperature resistant from -20 to 130 °C).

Product Image-114-3383

Safety shoes, slip-on, Bacou Pro'Clean Black, sperian

Supplier: HONEYWELL SAFETY
Description: Slip-on safety shoes made from breathable water resistant microfibre upper, extra wide sole for better stability. Extremely comfortable as the instep perfectly matches the shape of the foot. The dual-density PU outsole is resistant to changes in temperature, abrasion, acids and alkalis in limited to low concentrations.

Image Unavailable-C8679-25G

Direct blue 1, powder

Catalog Number: (C8679-25G)
Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Chicago Sky Blue 6B is a counterstain for background autofluorescence in fluorescence and immunofluorescence histochemistry. It has also been used as a filling in glass pipette electrodes for electrophysiological recordings in the brain sections of rats.
UOM: 1 * 25 g
Product Image-114-8215

Safety shoes, lace-up, Lowa Boreas Work GTX Lo

Supplier: ELTEN GMBH
Description: Safety shoes made from hydrophobised nubuck leather and hydrophobised CORDURA® (tear and abrasion resistant, dirt and water-repellent), a full, padded bellows tongue plus a dual-density rubber/PU sole (Vibram® with MONOWRAP®-technology) which offers additional grip and improves foot-rolling movement.

Environmentally Preferable

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Trypan blue 0,4% in aqueous solution, Sigma-Aldrich®

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.

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Trypan blue 60% (dye content) ≥80% (by HPLC), Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Trypan Blue (C.l. 23850) is a large, tetrasulfonated anionic, hydrophilic dye. It is also known as diamine blue 3B. Trypan blue has been used as a dye in trypan blue exclusion assay/cell viability assay to detect dead cells.

Image Unavailable-861030-25G

Auramine O 85% (dye content) certified by the Biological Stain Commission, Sigma-Aldrich®

Catalog Number: (861030-25G)
Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Auramine O has been used to study the cuticle/cutin in the epidermis of the pollen presenter in Vangueria infausta. Auramine O is used for the staining of acid-fast organisms, coccidia. Auramine O along with carbol generates brilliant yellow fluorochrome of tubercle bacilli. It is effective in detecting positive cases of tuberculosis. Auramine O binds to the mycolic acid in the bacterial cell wall. Certified for use by fluorescence microscopy in Churukian′s modification of Truant′s fluorescent method for acid fast bacilli on paraffin sections.
UOM: 1 * 25 g

Certificates


Product Image-CAYM21820-10

4,4′-Dianilino-1,1′-binaphthyl-5,5′-disulphonic acid dipotassium salt ≥98%, crystalline solid fluorescent dye

Supplier: Cayman Chemical
Description: bis-ANS is a high-affinity non-covalent extrinsic fluorescent dye used to analyze protein conformation. Its predominant interaction with proteins is through its hydrophobic phenyl and naphthyl rings.

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o-Tolidine ≥95%

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.

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2,2-Bis(4-carboxyphenyl)hexafluoropropane 98%

Supplier: Apollo Scientific
Description: 2,2-Bis(4-carboxyphenyl)hexafluoropropane 98%

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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.

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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
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
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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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