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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1,141 – 1,155 of 7,071 results

1,141

Diphenylcarbazone-Bromophenol Blue, For Chloride, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₃H₁₄N₄O
Color	Orange
Physical Form	Liquid
UN Number	UN1993
Chemical Name or Material	Diphenylcarbazone-Bromophenol Blue
Grade	Certified
Identification	Passes Test
Name Note	For Chloride
CAS	115-39-9
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 vapors. Use only outdoors or in a well-ventilated area. Wear eye protection, protective gloves. Wash exposed skin thoroughly after handling. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. 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 advice/attention. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Sulfur compounds; Carbon monoxide; Carbon dioxide; May release flammable gases; Nitrogen oxides; Hydrogen bromide
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Causes serious eye irritation. May cause respiratory irritation.
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	242.28
CAS Max %	0.05
Suitability	Passes Test

1,142

Cresol Red TS, 0.04% (w/v), Ricca Chemical

CAS: 62625-29-0

Pricing & Availability
Specifications

CAS	62625-29-0

1,143

Bromothymol Blue Indicator, 0.04% (w/v), Ricca Chemical

For Glassware Residue Detection

Pricing & Availability
Specifications

Percent Purity	0.04% W/V
CAS	7732-18-5
Color	Dark Blue
pH	6.70 to 6.90
Packaging	Natural Poly Bottle
Grade	Indicator

1,144

Coomassie Brilliant Blue R-250 [for Electrophoresis], 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, Brilliant Blue R, 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, Brilliant Blue R, 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

1,145

Bromocresol Green-Methyl Red Mixed Indicator, Ricca Chemical

Pricing & Availability
Specifications

CAS	845-10-3
Color	Dark Brown
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.02
Chemical Name or Material	Bromocresol Green-Methyl Red Mixed Indicator
Grade	Indicator
Solvent or Matrix	Aqueous Solution
CAS Max %	0.02

1,146

Bromophenol Blue Indicator, 0.1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	7732-18-5
Color	Dark Reddish Purple
Physical Form	Liquid
pH	4
Packaging	Natural Poly Bottle
CAS Min %	0.1
Chemical Name or Material	Bromophenol Blue Indicator
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.1

1,147

Starch Indicator, Preserved with Chloroform (Mercury Free), Certified, 1%, LabChem™

Pricing & Availability
Specifications

Color	Colorless
Physical Form	Liquid
Chemical Name or Material	Starch Indicator
Grade	Certified
Identification	Passes Test
Density	1g/mL
Name Note	Preserved with Chloroform (Mercury Free)
Percent Purity	1%
CAS	64-17-5
Health Hazard 3	GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wear protective gloves/eye protection/face protection. If exposed or concerned: Get medical attention. Store locked up. Dispose of contents/container in accordance with local, state and federal regulations.
Decomposition Information	Hydrogen chloride; Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Suspected of causing cancer (Inhalation).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Specific Gravity	1g/mL
CAS Max %	0.005
Suitability	Passes Test

1,148

Metacresol Purple Sodium Salt, TCI America™

CAS: 62625-31-4 Molecular Formula: C21H18O5S MDL Number: MFCD00010177 Synonym: m-Cresol Purple Sodium Salt, Sodium m-Cresol Purple, Sodium Metacresol Purple

Pricing & Availability
Specifications

CAS	62625-31-4
MDL Number	MFCD00010177
Synonym	m-Cresol Purple Sodium Salt, Sodium m-Cresol Purple, Sodium Metacresol Purple
Molecular Formula	C21H18O5S

1,149

Phenolphthalein, 1% In 60% Isopropanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₂₀H₁₄O₄
Color	Colorless to Pink
Physical Form	Liquid
Chemical Name or Material	Phenolphthalein
Grade	Certified
Identification	Passes Test
CAS	77-09-8
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Causes serious eye irritation. May cause respiratory irritation. Suspected of causing cancer.
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
EINECS Number	200-661-7
Formula Weight	318.32
CAS Max %	1

1,150

Tetrabromophenol Blue 95.0+%, TCI America™

CAS: 4430-25-5 Molecular Formula: C19H6Br8O5S Molecular Weight (g/mol): 985.544 MDL Number: MFCD00005876 InChI Key: QPMIVFWZGPTDPN-UHFFFAOYSA-N Synonym: Tetrabromophenoltetrabromosulfophthalein, TBPB PubChem CID: 78159 IUPAC Name: 2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br

Pricing & Availability
Specifications

PubChem CID	78159
CAS	4430-25-5
Molecular Weight (g/mol)	985.544
MDL Number	MFCD00005876
SMILES	C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br
Synonym	Tetrabromophenoltetrabromosulfophthalein, TBPB
IUPAC Name	2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	QPMIVFWZGPTDPN-UHFFFAOYSA-N
Molecular Formula	C19H6Br8O5S

1,151

Phenol Red Indicator, 1% (w/v), Ricca Chemical

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): Mixture InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	Mixture
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

1,152

Bromothymol Blue, 0.04% Aqueous, pH 6.0 to 7.6 Yellow to Blue, Certified, LabChem™

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.37 MDL Number: MFCD00077263,MFCD00077263,MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M PubChem CID: 102183223 IUPAC Name: sodium 2-{[(1Z)-3-bromo-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene][3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O

Pricing & Availability
Specifications

PubChem CID	102183223
CAS	34722-90-2
Molecular Weight (g/mol)	646.37
MDL Number	MFCD00077263,MFCD00077263,MFCD00077263
SMILES	[Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O
IUPAC Name	sodium 2-{[(1Z)-3-bromo-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene][3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]methyl}benzene-1-sulfonate
InChI Key	NMKFVGALBGZKGW-FKWCIMQXSA-M
Molecular Formula	C27H27Br2NaO5S

1,153

Crystal Violet Solution R, EP Reagent 1022901, Ricca Chemical

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): Mixture MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(O)=O

Pricing & Availability
Specifications

PubChem CID	176
CAS	64-19-7
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:15366
MDL Number	MFCD00036152
SMILES	CC(O)=O
IUPAC Name	acetic acid
InChI Key	QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula	C2H4O2

1,154

Bromopyrogallol Red, TCI America™

CAS: 16574-43-9 Molecular Formula: C19H10Br2O8S Molecular Weight (g/mol): 558.15 MDL Number: MFCD00148865 InChI Key: QFXYYBXMARTXHI-UHFFFAOYSA-N Synonym: Dibromopyrogallolsulfonphthaleine PubChem CID: 85495 IUPAC Name: 2',7'-dibromo-3',4',5',6'-tetrahydroxyspiro[2,1λ⁶-benzoxathiole-3,9'-xanthene]-1,1-dione SMILES: OC1=C(O)C2=C(C=C1Br)C1(OS(=O)(=O)C3=CC=CC=C13)C1=CC(Br)=C(O)C(O)=C1O2

Pricing & Availability
Specifications

PubChem CID	85495
CAS	16574-43-9
Molecular Weight (g/mol)	558.15
MDL Number	MFCD00148865
SMILES	OC1=C(O)C2=C(C=C1Br)C1(OS(=O)(=O)C3=CC=CC=C13)C1=CC(Br)=C(O)C(O)=C1O2
Synonym	Dibromopyrogallolsulfonphthaleine
IUPAC Name	2',7'-dibromo-3',4',5',6'-tetrahydroxyspiro[2,1λ⁶-benzoxathiole-3,9'-xanthene]-1,1-dione
InChI Key	QFXYYBXMARTXHI-UHFFFAOYSA-N
Molecular Formula	C19H10Br2O8S

1,155

Sunset Yellow FCF 90.0+%, TCI America™

CAS: 2783-94-0 Molecular Formula: C16H10N2Na2O7S2 Molecular Weight (g/mol): 452.363 MDL Number: MFCD00036437 InChI Key: TXVRKNUZLYFDTJ-UHFFFAOYSA-L PubChem CID: 6850717 IUPAC Name: disodium;6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate SMILES: C1=CC(=CC=C1NN=C2C3=C(C=CC2=O)C=C(C=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	6850717
CAS	2783-94-0
Molecular Weight (g/mol)	452.363
MDL Number	MFCD00036437
SMILES	C1=CC(=CC=C1NN=C2C3=C(C=CC2=O)C=C(C=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate
InChI Key	TXVRKNUZLYFDTJ-UHFFFAOYSA-L
Molecular Formula	C16H10N2Na2O7S2

Staining Reagents

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