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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Quantity

0.25 g (1)
1 Ea. (119)
1 L (184)
1 Pint (2)
1 g (139)
1 gal. (2)
1 kg (55)

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Color

Amber (12)
Beige (6)
Beige or Brown to Pink (2)
Beige or White to Yellow (3)
Beige to Brown (7)
Beige to Pink or Brown (3)
Beige to White or Tan (2)

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Molecular Weight (g/mol)

1001.857 (2)
1019.644 (11)
1037.99 (1)
1049.845 (3)
106.42 (9)
108.14 (3)
1086.36 g/mol (1)

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Grade

ACS (212)
ACS Reagent (70)
APHA (5)
ASTM (6)
Analysis (3)
Analytical (3)
Analytical Reagent (2)

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Product Type

1% Focus Acid Alcohol (2)
AFB Stain (1)
Acetate Buffer (1)
Acetocarmine (2)
Acetone Decolorizer (1)
Acetone-Alcohol (5)
Acetone-Alcohol, Carbol Fuchsin (1)

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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)
>12 (5)
>4 (2)
>5 (4)
>5.4 (13)
<1 (4)
<2 (7)

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Volume (Metric)

0.5 mL (16)
0.75 mL/Ampule (6)
1 L (5)
1 L Stain, 1 L Decolorizer (1)
1 mL (2)
10 mL (1)
10 x 100 mL (1)

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Form

Liquid (115)
Powder (4)
Solid (6)
Solution (47)

Solution Type

Blocking/Background Suppression Reagent (1)
Buffer (10)
Eosin (1)
Liquid Ink (9)
Mordant Dye (9)
Oxidizer (3)
Stain (114)

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Search Within Results

3,256 – 3,270 of 7,180 results

3,256

Cayman Chemical NafcIlInsodIum salt hydrat 25g

A semisynthetic and penicillinase-resistant penicillin antibiotic; active against 20 clinical isolates of S. aureus (MBCs = 0.078-0.312 UG/ml); reduces the number of kidney CFUs in a mouse model of S. aureus infection from 100-800 mg/kg; reduces the number of right atrial CFUs in a rabbit model of S. aureus-induced endocarditis

Pricing & Availability

3,257

Sigma Aldrich Fine Chemicals Biosciences Nitrotetrazolium Blue chloride >=90.0% (HPLC) | 298-83-9 | MFCD00012159 | 50MG

Pricing & Availability

3,258

Bioworld Bromophenol Blue, Sodium Salt, 25 g

An electrophoretic tracking dye for nucleic acid and protein gels.Used as a pH indicator for neutral or alkaline conditions.ACS Grade3',3'',5',5''-Tetrabromophenolsulphonephthalein Sodium SaltVisual transition interval pH 3.0-4.6Appearance: SolidMelting Point: >300 °CPH Value: 3.0-4.6

Pricing & Availability

3,259

Sigma Aldrich Fine Chemicals Biosciences Patent blue V sodium salt for microscopy | 20262-76-4 | MFCD09608138 | 100G

Patent blue V sodium salt for microscopy | Mol Wt: 582.66 | 20262-76-4 | MFCD09608138 | 100G

Pricing & Availability

3,260

Sigma Aldrich Fine Chemicals Biosciences o-Tolidine | 119-93-7 | MFCD00014773 | 25g

o-Tolidine | 95% | MW: 212.29 | 119-93-7 | MFCD00014773 | 25g

Pricing & Availability

3,261

Sigma Aldrich Fine Chemicals Biosciences Toluidine Blue O Technical grade | 92-31-9 | MFCD00011934 | 25G

Toluidine Blue O Technical grade | Mol Wt: 305.83 | 92-31-9 | MFCD00011934 | 25G

Pricing & Availability

3,262

Sigma Aldrich Fine Chemicals Biosciences Nitro Blue Tetrazolium | 298-83-9 | MFCD00012159 | 25 Tablets

Nitro Blue Tetrazolium | Mol Wt: 817.647 | 298-83-9 | MFCD00012159 | 25 Tablets

Pricing & Availability

3,263

Sigma Aldrich Fine Chemicals Biosciences Crystal Violet for microscopy (Bact., Bot., Hist., Vit.), indicator (pH 0.1-2.0) | 548-62-9 | MFCD00011750 | 100G

Crystal Violet for microscopy (Bact., Bot., Hist., Vit.), indicator (pH 0.1-2.0) | Mol Wt: 407.98 | 548-62-9 | MFCD00011750 | 100G

Pricing & Availability

3,264

Ethos Biosciences Gentian Violet 2%, 4oz, Ethos

Gentian Violet 2% is a staining solution suitable for microbiology, cytology, and general laboratory applications. Commonly used as a primary stain in Gram staining procedures, it provides strong coloration of gram-positive organisms for reliable microscopic evaluation. The formulation delivers consistent color intensity, supporting accurate identification and differentiation of microorganisms. It is also suitable for general staining and research applications.