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.

Stains and Dyes (9,142)

Tissue Stain Blocking Reagents (82)

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1,156 – 1,170 of 7,071 results

1,156

CAS	1787-61-7
Physical Form	Powder
CAS Min %	0.98
Chemical Name or Material	Total Hardness Indicator
CAS Max %	1.02

1,157

Methyl Red, 0.1% Aqueous, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

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Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

1,158

Mixed Indicator Solution, Methyl Red-Methylene Blue, Ricca Chemical

Pricing & Availability
Specifications

CAS	7220-79-3
Color	Dark Green
Packaging	Natural Poly Bottle
Chemical Name or Material	Mixed Indicator Solution
Grade	Indicator

1,159

Ferric Ammonium Sulfate, For Chloride (Volhard's Indicator), Certified, 8%, LabChem™

CAS: 7783-83-7 Molecular Formula: FeH28NO20S2 Molecular Weight (g/mol): 482.176 InChI Key: LCPUDZUWZDSKMX-UHFFFAOYSA-K PubChem CID: 197097 IUPAC Name: azanium;iron(3+);disulfate;dodecahydrate SMILES: [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3]

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Specifications

PubChem CID	197097
CAS	7783-83-7
Molecular Weight (g/mol)	482.176
SMILES	[NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3]
IUPAC Name	azanium;iron(3+);disulfate;dodecahydrate
InChI Key	LCPUDZUWZDSKMX-UHFFFAOYSA-K
Molecular Formula	FeH28NO20S2

1,160

Acid Red 91, TCI America™

CAS: 548-24-3 Molecular Formula: C20H8Br2N2O9 MDL Number: MFCD00005041 Synonym: Eosin Bluish, Imperial Red

Pricing & Availability
Specifications

CAS	548-24-3
MDL Number	MFCD00005041
Synonym	Eosin Bluish, Imperial Red
Molecular Formula	C20H8Br2N2O9

1,161

Methyl Red Indicator, 0.1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	7732-18-5
Color	Orange to Red
Physical Form	Liquid
pH	5
Packaging	Natural Poly Bottle
Chemical Name or Material	Methyl Red Indicator
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Aqueous Solution

1,162

Starch Indicator, 1% (w/v), with Chloroform preservative, Ricca Chemical

Pricing & Availability
Specifications

Name Note	With Chloroform Preservative
Percent Purity	1% W/V
CAS	67-66-3
Color	Colorless
Physical Form	Liquid
pH	5 to 7
CAS Min %	0.1
Chemical Name or Material	Starch Indicator
Grade	Indicator
Concentration	1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.4

1,163

Methylene Blue Reagent, For Surfactants, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₆H₁₈N₃SCl
Color	Blue
Physical Form	Liquid
Chemical Name or Material	Methylene Blue Reagent
Grade	Certified
Identification	Passes Test
Density	1g/mL
Absorbance	Passes Test
Name Note	For Surfactants
CAS	61-73-4
Health Hazard 3	GHS P Statement If in contact with skin or eyes, rinse thoroughly with water for 15-20 minutes. If swallowed, get medical attention.
Decomposition Information	Sulfur compounds; Phosphorus oxides
Health Hazard 2	GHS H Statement Solution is not hazardous.
Packaging	Poly Bottle
Solubility Information	Soluble in water
Recommended Storage	Room Temperature
Formula Weight	319.85
Specific Gravity	1g/mL
CAS Max %	0.003

1,164

Acid Red 27 90.0+%, TCI America™

CAS: 915-67-3 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004076 InChI Key: VOBHRQFELWTZFS-DXVNCNPQSA-K Synonym: Amaranth, Azo Rubine S, Bordeaux S, Naphthol Red, Wool Red 40 F PubChem CID: 6364527 IUPAC Name: trisodium (4E)-3-oxo-4-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	6364527
CAS	915-67-3
Molecular Weight (g/mol)	604.46
MDL Number	MFCD00004076
SMILES	[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Amaranth, Azo Rubine S, Bordeaux S, Naphthol Red, Wool Red 40 F
IUPAC Name	trisodium (4E)-3-oxo-4-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-3,4-dihydronaphthalene-2,7-disulfonate
InChI Key	VOBHRQFELWTZFS-DXVNCNPQSA-K
Molecular Formula	C20H11N2Na3O10S3

1,165

Methyl Red Mixed Solution R, Ricca Chemical

Pricing & Availability
Specifications

CAS	7220-79-3
Color	Dark Green
Packaging	Amber Glass Bottle
Grade	Indicator

1,166

Variamine Blue B 98.0+%, TCI America™

CAS: 3566-44-7 Molecular Formula: C13H15ClN2O Molecular Weight (g/mol): 250.726 MDL Number: MFCD00012989 InChI Key: HPQQXLXIGHOKNZ-UHFFFAOYSA-N PubChem CID: 77108 IUPAC Name: 4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride SMILES: COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl

Pricing & Availability
Specifications

PubChem CID	77108
CAS	3566-44-7
Molecular Weight (g/mol)	250.726
MDL Number	MFCD00012989
SMILES	COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl
IUPAC Name	4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride
InChI Key	HPQQXLXIGHOKNZ-UHFFFAOYSA-N
Molecular Formula	C13H15ClN2O

1,167

Universal Indicator, Bogens, Alcoholic, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Alcoholic
CAS	493-52-7
Color	Orange/Red
Physical Form	Liquid
Packaging	Amber Glass Bottle
CAS Min %	0.03
Chemical Name or Material	Universal Indicator, Bogens
Grade	Indicator
CAS Max %	0.03

1,168

StatLab™ Eosin-Y Phloxine B Stain

Cytoplasmic counterstain that provides a brighter reddish stain in muscle and other connective tissue.

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1,169

Gold Chloride, 1% (w/v), Ricca Chemical

CAS: 16961-25-4 Molecular Formula: AuCl4H Molecular Weight (g/mol): 339.77 InChI Key: VDLSFRRYNGEBEJ-UHFFFAOYSA-K IUPAC Name: trichlorogold hydrochloride SMILES: Cl.Cl[Au](Cl)Cl

Pricing & Availability
Specifications

CAS	16961-25-4
Molecular Weight (g/mol)	339.77
SMILES	Cl.Cl[Au](Cl)Cl
IUPAC Name	trichlorogold hydrochloride
InChI Key	VDLSFRRYNGEBEJ-UHFFFAOYSA-K
Molecular Formula	AuCl4H

1,170

Universal Indicator, Bogens in Alcohol, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₂₇H₂₈Br₂O₅S
Color	Green
Physical Form	Liquid
UN Number	UN1993
Chemical Name or Material	Universal Indicator
Grade	Certified
Identification	Passes Test
Name Note	Bogens in Alcohol
CAS	547-58-0
Health Hazard 3	GHS P Statement Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Avoid breathing mist, vapors, spray. Use only outdoors or in a well-ventilated area. Wear protective gloves, protective clothing, eye protection, face protection. Wash exposed skin thoroughly after handling. Use only outdoors or in a well-ventilated area. If on skin (or hair): Remove immediately all contaminated clothing. Rinse skin with water/shower. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical attention. In case of fire: Use carbon dioxide (CO2), dry chemical powder, alcohol-resistant foam to extinguish. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Carbon dioxide; Carbon monoxide; Sulfur compounds; Hydrogen bromide
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Causes serious eye irritation. May cause drowsiness or dizziness.
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	624.38
CAS Max %	0.05

Staining Reagents

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StatLab™ Eosin-Y Phloxine B Stain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

StatLab™ Eosin-Y Phloxine B Stain