Fine Chemicals

Nitrazine Yellow

Nitrazine Yellow is used to test vaginal pH during late pregnancy to determine the breakage of the amniotic sac. To perform a fecal pH test for diagnosing intestinal infections or other digestive problems.

Nitro Blue Tetrazolium chloride, 98+%

Intense blue dye used in histochemistry determinations.Nitro Blue Tetrazolium chloride is used to confirm diagnosis of chronic granulomatous disease. It is a microscopic stain, which is used to detect dehydrogenases and alkaline phosphatase.

Ethyl Orange sodium salt, Thermo Scientific Chemicals

Indicator: pH 3.0 (red) to pH 4.5 (yellow) This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand.

Ethyl Violet

Ethyl violet has been used to stain pancreatic tissue and elastin in the detection of gram negative bacteria, and as a reagent for the extractive-spectrophotometric determination of anionic surfactants. It has been used in the extraction and spectrophotometric determination of copper.

Azure A

For staining cell granules and tissues This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand.

Biebrich Scarlet sodium salt

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...

Pyronin Y

Pyronin Y is a cationic dye that intercalates RNA and is visible as a red band during electrophoresis. It has also been shown to accumulate in mitochondria of viable cells. In conjuction with Methyl Green or Nancy-520, Pyronin Y can be used as a fluorescent differential stain of nucleic acids in...

Erythrosin B, spirit soluble

Erythrosin B is used as a red coloring in some foods such as cherries and fish. It is used as printing ink, dental plaque disclosing agent and biological stain. It finds application as a radiopaque medium and sensitizer for orthochromatic photographic films. It is utilized as a cake-decorating gel.

FURA 2-AM

A calcium indicator; derivative of Fura-2 used to load the chelator into cells This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand.

Azure C

Methylene Blue trihydrate

Methylene Blue trihydrate finds many uses in biology and chemistry. It acts as a GCS inhibitor, biological stain and redox indicator. It inhibits tau filament formation. Further, it is reported to bind to the M2 subtype of muscarinic receptors in rat cardiac myocytes and thus exhibit antimuscarinic...

Orange G, Electrophoresis Grade

Collagen stain for connective tissue This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand.

Nigrosin, alcohol soluble

Orange G/blue loading dye (6X)

Orange G/blue loading dye (6X) is used for loading DNA samples into gel electrophoresis wells and tracking migration during electrophoresis. It is used in used in molecular biology protocols. It is also used in nucleic acid gel electrophoresis & blotting.

Orange G loading dye (6X), glycerol based

Gel loading dye used in molecular biology protocolsThe 6X Orange DNA Loading Dye is used to prepare DNA markers and samples for loading on agarose or polyacrylamide gels. It is recommended for the analysis of small DNA molecules.

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