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 (9,318)

Tissue Stain Blocking Reagents (81)

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1,171 – 1,185 of 7,270 results

1,171

Starch Indicator, Preserved with Salicylic Acid (Mercury Free), Certified, 0.5%, LabChem™

Pricing & Availability
Specifications

Physical Form	Liquid
Chemical Name or Material	Starch Indicator
Grade	Certified
Identification	Passes Test
Density	1g/mL
Name Note	Preserved with Salicylic Acid (Mercury Free)
Percent Purity	0.5%
CAS	69-72-7
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	Fume; Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Solution is not hazardous.
Solubility Information	Soluble in water
Recommended Storage	Room Temperature
Specific Gravity	1g/mL
CAS Max %	0.1
Suitability	Passes Test

1,172

Acid Blue 9, TCI America™

CAS: 3844-45-9 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012141 InChI Key: SGHZXLIDFTYFHQ-UHFFFAOYSA-L Synonym: Brilliant Blue FCF, Erioglaucin A PubChem CID: 19700 ChEBI: CHEBI:82411 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]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=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	19700
CAS	3844-45-9
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:82411
MDL Number	MFCD00012141
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=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Brilliant Blue FCF, Erioglaucin A
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
InChI Key	SGHZXLIDFTYFHQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

1,173

Acid Red 18 85.0+%, TCI America™

CAS: 2611-82-7 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004084 InChI Key: IVNZBWNBYXERPK-DZGBHZPSSA-K Synonym: New Coccine, Ponceau 4R, Scarlet 3R PubChem CID: 131851859 IUPAC Name: trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	131851859
CAS	2611-82-7
Molecular Weight (g/mol)	604.46
MDL Number	MFCD00004084
SMILES	[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O
Synonym	New Coccine, Ponceau 4R, Scarlet 3R
IUPAC Name	trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate
InChI Key	IVNZBWNBYXERPK-DZGBHZPSSA-K
Molecular Formula	C20H11N2Na3O10S3

1,174

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

1,175

Brilliant Blue R, TCI America™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Coomassie Brilliant Blue R-250, CBB R-250 PubChem CID: 61365 IUPAC Name: sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

Pricing & Availability
Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Coomassie Brilliant Blue R-250, CBB R-250
IUPAC Name	sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

1,176

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

1,177

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

1,178

Methyl Orange, 0.1% Aqueous, pH 3.2 to 4.4 Red to Yellow, LabChem™

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23673835
CAS	547-58-0
Molecular Weight (g/mol)	327.334
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula	C14H14N3NaO3S

1,179

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

1,180

Arsenazo III Indicator, Certified, LabChem™

CAS: 1668-00-4 Molecular Formula: C22H18As2N4O14S2 Molecular Weight (g/mol): 776.363 InChI Key: TVMZRHVOFZTNET-RIRMOVKSSA-N PubChem CID: 9810878 IUPAC Name: (3Z,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxonaphthalene-2,7-disulfonic acid SMILES: C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O

Pricing & Availability
Specifications

PubChem CID	9810878
CAS	1668-00-4
Molecular Weight (g/mol)	776.363
SMILES	C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O
IUPAC Name	(3Z,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxonaphthalene-2,7-disulfonic acid
InChI Key	TVMZRHVOFZTNET-RIRMOVKSSA-N
Molecular Formula	C22H18As2N4O14S2

1,181

StatLab™ MasterTech Alcian Blue Stain Kit

Alcian Blue Stain Kit stains acid mucins blue in 40 minutes.

Pricing & Availability
Specifications

Product Type	Stain Kit

1,182

Pigment Blue 15, TCI America™

CAS: 147-14-8 Molecular Formula: C32H16CuN8 MDL Number: MFCD00010719 Synonym: Phthalocyanine Blue, Copper Phthalocyanine, CuPc

Pricing & Availability
Specifications

CAS	147-14-8
MDL Number	MFCD00010719
Synonym	Phthalocyanine Blue, Copper Phthalocyanine, CuPc
Molecular Formula	C32H16CuN8

1,183

Acid Yellow 3, TCI America™

CAS: 8004-92-0 Molecular Formula: C18H9NNa2O8S2 Molecular Weight (g/mol): 477.37 MDL Number: MFCD00080727 InChI Key: FZUOVNMHEAPVBW-UHFFFAOYSA-L Synonym: Quinaldine Yellow, Quinoline Yellow S PubChem CID: 129893443 IUPAC Name: disodium 2-(1,3-dioxo-2,3-dihydro-1H-inden-2-yl)quinoline-6,8-disulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC(=C2N=C(C=CC2=C1)C1C(=O)C2=CC=CC=C2C1=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	129893443
CAS	8004-92-0
Molecular Weight (g/mol)	477.37
MDL Number	MFCD00080727
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC(=C2N=C(C=CC2=C1)C1C(=O)C2=CC=CC=C2C1=O)S([O-])(=O)=O
Synonym	Quinaldine Yellow, Quinoline Yellow S
IUPAC Name	disodium 2-(1,3-dioxo-2,3-dihydro-1H-inden-2-yl)quinoline-6,8-disulfonate
InChI Key	FZUOVNMHEAPVBW-UHFFFAOYSA-L
Molecular Formula	C18H9NNa2O8S2

1,184

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

1,185

Eriochrome™ Blue-Black R, Dry Form in NaCl, for Calcium, Certified, LabChem™

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

Pricing & Availability
Specifications

PubChem CID	5234
CAS	7647-14-5
Molecular Weight (g/mol)	58.44
ChEBI	CHEBI:26710
MDL Number	MFCD00003477
SMILES	[Na+].[Cl-]
IUPAC Name	sodium chloride
InChI Key	FAPWRFPIFSIZLT-UHFFFAOYSA-M
Molecular Formula	ClNa

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