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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1,126 – 1,140 of 7,071 results

1,126

Bromocresol Green - Methyl Red, Aqueous, for Alkalinity, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₂₁H₁₄Br₄O₅S·Na
Color	Blue to Blue/Green
Physical Form	Liquid
Chemical Name or Material	Bromocresol Green - Methyl Red
Grade	Certified
Identification	Passes Test
Density	1g/mL
Name Note	Aqueous, for Alkalinity
CAS	62625-32-5
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	Carbon monoxide; Carbon dioxide; Nitrogen oxides; Sulfur compounds
Health Hazard 2	GHS H Statement Solution is not hazardous.
Solubility Information	Soluble in water
Recommended Storage	Room Temperature
Formula Weight	720.06
Specific Gravity	1g/mL
CAS Max %	0.1

1,127

Xylenol Orange TS, 0.1% (w/v) in Alcohol, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Test Solution
CAS	3618-43-7
Color	Red
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.12
Chemical Name or Material	Xylenol Orange
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Alcohol
CAS Max %	0.13

1,128

StatLab™ MasterTech Alcian Blue PAS Stain Kit

PAS Stain Kit stains acid mucins, neutral mucins, and glycogen in 60 min.

Pricing & Availability
Specifications

Product Type	Stain Kit

1,129

Diphenylcarbazone (contains Diphenylcarbazide) 40.0+%, TCI America™

CAS: 538-62-5 Molecular Formula: C13H12N4O Molecular Weight (g/mol): 240.266 MDL Number: MFCD00003024 InChI Key: ZFWAHZCOKGWUIT-UHFFFAOYSA-N PubChem CID: 10860 IUPAC Name: 1-anilino-3-phenyliminourea SMILES: C1=CC=C(C=C1)NNC(=O)N=NC2=CC=CC=C2

Pricing & Availability
Specifications

PubChem CID	10860
CAS	538-62-5
Molecular Weight (g/mol)	240.266
MDL Number	MFCD00003024
SMILES	C1=CC=C(C=C1)NNC(=O)N=NC2=CC=CC=C2
IUPAC Name	1-anilino-3-phenyliminourea
InChI Key	ZFWAHZCOKGWUIT-UHFFFAOYSA-N
Molecular Formula	C13H12N4O

1,130

Bromocresol Green Indicator, 0.1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	7732-18-5
Color	Dark Blue
Physical Form	Liquid
pH	>5.4
Packaging	Natural Poly Bottle
CAS Min %	0.1
Chemical Name or Material	Bromocresol Green Indicator
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.1

1,131

Methyl Purple Indicator, in dilute IPA (15% v/v), Ricca Chemical

Pricing & Availability
Specifications

CAS	3844-45-9
Color	Dark Green
Physical Form	Liquid
pH	>5.4
Packaging	Amber Glass Bottle
CAS Min %	0.03
Chemical Name or Material	Methyl Purple Indicator
Grade	Indicator
Concentration	15% (v/v)
Solvent or Matrix	Dilute IPA
CAS Max %	0.03

1,132

Wright-Giemsa Stain Mixture, Ricca Chemical

Pricing & Availability
Specifications

CAS	7778-77-0
Color	Dark Purple
Physical Form	Liquid
pH	6.4
Packaging	Amber Glass Bottle
CAS Min %	0.04
Chemical Name or Material	Wright-Giemsa Stain Mixture
Grade	Laboratory
CAS Max %	0.04

1,133

Acid Blue 119, TCI America™

CAS: 1324-80-7 Molecular Formula: C37H30N3NaO4S Molecular Weight (g/mol): 635.714 MDL Number: MFCD00083221 InChI Key: BPCZPTGXEYXQRS-UHFFFAOYSA-M Synonym: Alkali Blue 6B PubChem CID: 71464047 IUPAC Name: sodium;2-[4-[bis(4-anilinophenyl)-hydroxymethyl]anilino]benzenesulfonate SMILES: C1=CC=C(C=C1)NC2=CC=C(C=C2)C(C3=CC=C(C=C3)NC4=CC=CC=C4)(C5=CC=C(C=C5)NC6=CC=CC=C6S(=O)(=O)[O-])O.[Na+]

Pricing & Availability
Specifications

PubChem CID	71464047
CAS	1324-80-7
Molecular Weight (g/mol)	635.714
MDL Number	MFCD00083221
SMILES	C1=CC=C(C=C1)NC2=CC=C(C=C2)C(C3=CC=C(C=C3)NC4=CC=CC=C4)(C5=CC=C(C=C5)NC6=CC=CC=C6S(=O)(=O)[O-])O.[Na+]
Synonym	Alkali Blue 6B
IUPAC Name	sodium;2-[4-[bis(4-anilinophenyl)-hydroxymethyl]anilino]benzenesulfonate
InChI Key	BPCZPTGXEYXQRS-UHFFFAOYSA-M
Molecular Formula	C37H30N3NaO4S

1,134

Bromocresol Green, 0.1% (w/v) Aqueous, pH 3.8 to 5.4 Yellow to Blue, Certified, LabChem™

CAS: 62625-32-5

Pricing & Availability
Specifications

CAS	62625-32-5

1,135

Eriochrome Blue Black R, Ricca Chemical

CAS: 3564-14-5 Molecular Formula: C20H13N2NaO5S Molecular Weight (g/mol): 416.38 MDL Number: MFCD00003934 InChI Key: YRFCCVCSEVISHI-GXTSIBQPSA-M PubChem CID: 23722702 IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-3-oxo-3,4-dihydronaphthalene-1-sulfonate SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC=CC=C12)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	23722702
CAS	3564-14-5
Molecular Weight (g/mol)	416.38
MDL Number	MFCD00003934
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC=CC=C12)S([O-])(=O)=O
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	YRFCCVCSEVISHI-GXTSIBQPSA-M
Molecular Formula	C20H13N2NaO5S

1,136

Coomassie Brilliant Blue G-250 [for Electrophoresis], TCI America™

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Acid Blue 90, Brilliant Blue G, CBB G-250 PubChem CID: 6328534 IUPAC Name: sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]

Pricing & Availability
Specifications

PubChem CID	6328534
CAS	6104-58-1
Molecular Weight (g/mol)	854.025
MDL Number	MFCD00078482
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]
Synonym	Acid Blue 90, Brilliant Blue G, CBB G-250
IUPAC Name	sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate
InChI Key	RWVGQQGBQSJDQV-UHFFFAOYSA-M
Molecular Formula	C47H48N3NaO7S2

1,137

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

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): Mixture 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+]

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	Mixture
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

1,138

StatLab™ MasterTech Chandler's Precision Reticulum Stain Kit

Reticulum Stain Kit stains reticulum fibers with no background staining in 30 minutes.

Pricing & Availability
Specifications

Product Type	Stain Kit

1,139

Pigment Green 7, TCI America™

CAS: 1328-53-6 Molecular Formula: C32Cl16CuN8 Molecular Weight (g/mol): 1127.154 MDL Number: MFCD00053950 InChI Key: ABFKYPFPQRDCGM-UHFFFAOYSA-N Synonym: Phthalocyanine Green PubChem CID: 6508016 SMILES: C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C3=NC4=NC(=NC5=NC(=NC6=C7C(=C([N-]6)N=C2[N-]3)C(=C(C(=C7Cl)Cl)Cl)Cl)C8=C5C(=C(C(=C8Cl)Cl)Cl)Cl)C9=C4C(=C(C(=C9Cl)Cl)Cl)Cl.[Cu+2]

Pricing & Availability
Specifications

PubChem CID	6508016
CAS	1328-53-6
Molecular Weight (g/mol)	1127.154
MDL Number	MFCD00053950
SMILES	C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C3=NC4=NC(=NC5=NC(=NC6=C7C(=C([N-]6)N=C2[N-]3)C(=C(C(=C7Cl)Cl)Cl)Cl)C8=C5C(=C(C(=C8Cl)Cl)Cl)Cl)C9=C4C(=C(C(=C9Cl)Cl)Cl)Cl.[Cu+2]
Synonym	Phthalocyanine Green
InChI Key	ABFKYPFPQRDCGM-UHFFFAOYSA-N
Molecular Formula	C32Cl16CuN8

1,140

PAN Indicator, 0.3% in Ethanol, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₅H₁₁N₃O
Color	Orange to Red
Physical Form	Liquid
UN Number	UN1170
Chemical Name or Material	PAN Indicator
Grade	Certified
Identification	Passes Test
Name Note	0.3% in Ethanol
CAS	85-85-8
Health Hazard 3	GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. 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. Do not breathe mist, vapors, spray. Do not eat, drink or smoke when using this product. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If exposed or concerned: Get medical advice/attention. If swallowed: Rinse mouth. Call a poison center/doctor if you feel unwell. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. In case of fire: Use alcohol resistant foam, carbon dioxide (CO2), extinguishing powder to extinguish. Store locked up in cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Carbon monoxide; Carbon dioxide; May release flammable gases
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Harmful if swallowed. May cause cancer (oral). Suspected of damaging fertility or the unborn child (oral). Causes damage to organs (central nervous system, kidneys, liver, optic nerve) (oral, dermal).
Packaging	Amber Glass
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	249.27
CAS Max %	0.3
Suitability	Passes Test

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