Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.

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Color

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Molecular Weight (g/mol)

1001.857 (2)
1019.644 (11)
1037.99 (1)
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106.42 (9)
108.14 (3)
1086.36 g/mol (1)

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Grade

ACS (213)
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Product Type

1% Focus Acid Alcohol (2)
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Percent Purity

≥40.0% (HPLC) (1)
≥42% (1)
≥42.0% (carminic acid) (3)
≥55% (1)
≥60% (TiCl3-titr.) (on substance as is) (2)
≥65% dye content (3)
≥70% (5)

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pH

>1.6 (3)
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>5.4 (13)
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Volume (Metric)

0.5 mL (16)
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Form

Liquid (118)
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Solution Type

Blocking/Background Suppression Reagent (1)
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Stain (115)

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Search Within Results

6,481 – 6,495 of 7,201 results

6,481

Abcam 8-Hydro x ypyrene-1,3,6-trisulfonic acid trisodium salt, 50MG

MW 524.4 Da. Fluorescent pH indicator with fluorescent emission change in the physiological pH range. Used as a dye in optical sensor applications. Highly water-soluble and membrane-impermeant with a pKa of 7.3 in aqueous buffers.

The product is subject to the following: Abcam Restricted Use Statement

Pricing & Availability

6,482

Sigma Aldrich Fine Chemicals Biosciences Starch soluble ACS reagent250G

REAGENT Starch soluble ACS reagent250G

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6,483

Sigma Aldrich Fine Chemicals Biosciences Hematoxylin Solution Harri

Hematoxylin SOLUTIONon Harri

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6,484

Sigma Aldrich Fine Chemicals Biosciences Starch from potato Powder5KG

Starch from potato Powder5KG

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6,485

Sigma Aldrich Fine Chemicals Biosciences Crystal Violet indicator for the determination of the redox potential, S. No.: 785 | 548-62-9 | MFCD00011750 | 500G

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6,486

Sigma Aldrich Fine Chemicals Biosciences Alizarin Dye content 97 % | 72-48-0 | MFCD00001201 | 100G

Alizarin Dye content 97 % | Mol Wt: 240.21 | 72-48-0 | MFCD00001201 | 100G

Pricing & Availability

6,487

Sigma Aldrich Fine Chemicals Biosciences m-Cresol 99% | 108-39-4 | MFCD00002302 | 1KG

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6,488

Sigma Aldrich Fine Chemicals Biosciences Cresol Red sodium salt indicator grade | 62625-29-0 | MFCD00001618 | 5G

Cresol Red sodium salt indicator grade | Mol Wt: 404.41 | 62625-29-0 | MFCD00001618 | 5G

Pricing & Availability

6,489

Sigma Aldrich Fine Chemicals Biosciences Alcian Blue 8GX powder | 33864-99-2 | MFCD00010720 | 10g

Alcian Blue 8GX powder | Mol Wt: 1298.86 | 33864-99-2 | MFCD00010720 | 10g

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6,490

Sigma Aldrich Fine Chemicals Biosciences Azure A chloride Dye content >=70 % | 531-53-3 | MFCD00012112 | 50G

Azure A chloride Dye content >=70 % | Mol Wt: 291.8 | 531-53-3 | MFCD00012112 | 50G

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6,491

Sigma Aldrich Fine Chemicals Biosciences Tartrazine Dye content | 1934-21-0 | MFCD00148908 | 100g

Tartrazine Dye content | 85% | MW: 534.36 | 1934-21-0 | MFCD00148908 | 100g

Pricing & Availability

6,492

Sigma Aldrich Fine Chemicals Biosciences Acridine Orange hydrochloride hydrate >=98% (HPLC) | 65-61-2 | MFCD00150070 | 5G

Acridine Orange hydrochloride hydrate >=98% (HPLC) | Purity: >=98% (HPLC) | 65-61-2 | MFCD00150070 | 5G

Pricing & Availability

6,493

Electron Microscopy Sciences Biebrich Scarlet, Water Soluble 25 GR

(Bonceau BS; Acid Red 66; Croceine Scarlet; Double Scarlet BSF)
CAS #4196-99-0 C₂₂H₁₄N₄Na₂O₇S₂ F.W. 556.4 9
Solubility: 5.0% Water; 0.25% Alcohol; 1.5% Cellosolve; 1.5% Glycol; 0.0% Xylene

Used with picric acid/aniline blue for staining collagen, recticulum, muscle, and plasma. Also Luna's method for erythrocytes & eosinophil granules and Guard's method for sex chromatin and nuclear chromatin. Biebrich Scarlet, water soluble is also known as Bonceau BS; Acid Red 66; Croceine Scarlet and Double Scarlet BSF.