Chemical Division2018-12-30T10:46:03+00:00

Powder dyes for cytology and histology

These products are certified by the Organic Commission Stain (BSC). Among its many objectives, the Organic Stain Commission, located at the University of Rochester Medical Center, Rochester, NY, ensures the quality of dyes through independent testing, according to stringent chemical criteria and performance.

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May-Grünwald

The May-Grunwald is a conceit of two colourings: Eosin and methylene blue. The first will result in a pink/red coloration, the second will result in a blue/purple coloration.

BSC Certificate Giemsa

GIEMSA is used as laboratory reagent and microscopy dye. It is used for the histopathological detection of malaria and other parasites such as spirochetes and protozoa.

CAS-N 51811-82-6
Bruta Formula: C14H14ClN3S
Molecular Weight: 291.80

Eosin Y Certified BSC

Eosin Y is a powdered dye that can be used to prepare eosin contrast colorings for Romanovsky techniques and to equip EA preparations.

CAS-N: 17372-87-1
Bruta Formula: C ₂ ₀ H ₆ BR ₄ na ₂ or ₅
Molecular Weight: 691, 86

BSC Certified Hematoxylin

Hematoxylin (known as informant number 75290) is extracted from the plant haematoxylum Campechianum.

CAS-N 517-28-2
Synonym: Natural Black 1
Bruta Formula: C16H14O6 · XH2O
Molecular Weight: 302.28 (Anhydrous)

Azure A BSC Certificate

Azure A (Informant 52005) used to come screening tests for mucopolysaccharides. It can and should be used to stain lysosoma in blood smears.

CAS-N 531-53-3
Bruta Formula: C14H14ClN3S
Molecular Weight: 291.80

Polyvinylpyrrolidone iodine

The Iodine polyvinylpyrrolidone (CAS: 25655-41-8) is an amorphical hygroscopic powder with color varying from yellowish-brown to reddish-brown.

Bruta Formula: C ₆ H ₉ I ₂ NO
Molecular Weight: 364,953 g/mol
CAS-N: 25655-41-8

Methylene Blue

Methylene Blue Organic compound of the class of aromatic heterocyclic. It is used in many different fields.

CAS-N 61-73-4
Bruta Formula: C16H18ClN3S
Molecular Weight: 319, 86 g/mol

Orange G BSC Certificate

The orange g (or orange g) informant 16230 is a synthetic azidic dye widely used in histology and laboratory practice in molecular biology.

Bruta Formula: C16H10N2O7S2NA2
Molecular Weight: 452, 37 g/mol
CAS-N: 1936-15-8

Fast Green FCF

Fast Green FCF (informant 42053) is used for the modified colouring of connective tissue in histological seections.

CAS-N 2353-45-9
Bruta Formula: C ₃ ₇ H ₃ ₄ N ₂ na ₂ or ₁ ₀ S ₃
Molecular Weight: 808, 86 G/mol

Nutraceuticals and products for food use

The chemical division deals with the marketing of dyes and preserves for alimentary use accompanied by all the necessary technical and safety information, always in the food section it is possible to find and other products for nutraceutical use.

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Some of our products:

Vegetable charcoal, powdered for food use

Activated carbon, powdered for oenological use

In our online shop or on EBay you can find all our products on the list, you can request estimates for quantities different from those available or for products not present, we will send you a quotation in the shortest time possible.

In addition, Pro-Eko S.R.L. By providing customers with their own laboratories, they can at any time personalize and develop technologies and products on specific requests.

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