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 (9,151)

Tissue Stain Blocking Reagents (82)

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1,726 – 1,740 of 7,073 results

1,726

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

1,727

Giemsa Stain, Stock, for Staining of Blood, Tissue, and Malarial Parasites in Blood, Ricca Chemical

Giemsa Stain for blood histopathology.

Pricing & Availability
Specifications

Type	Giemsa Stain
CAS	56-81-5
Product Type	Giemsa Stain
Packaging	Natural Poly Bottle

1,728

Brilliant Green, 1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

CAS	7732-18-5
Physical Form	Liquid
CAS Min %	0.97
Chemical Name or Material	Brilliant Green
CAS Max %	1.01

1,729

Bromocresol Purple, 0.04% Aqueous, pH 5.3 to 6.8 Yellow to Purple, Certified, LabChem™

CAS: 62625-30-3 Molecular Formula: C21H15Br2NaO5S Molecular Weight (g/mol): 562.204 InChI Key: KVSJYIXUWNOWBD-UGAWPWHASA-M PubChem CID: 23665568 IUPAC Name: sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]

Pricing & Availability
Specifications

PubChem CID	23665568
CAS	62625-30-3
Molecular Weight (g/mol)	562.204
SMILES	CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]
IUPAC Name	sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	KVSJYIXUWNOWBD-UGAWPWHASA-M
Molecular Formula	C21H15Br2NaO5S

1,730

Fehlings Solution 'A', Copper No. 1, Certified, 6.93% (w/v) ±0.30%, LabChem™

Pricing & Availability
Specifications

Name Note	Copper No. 1
Percent Purity	6.93% ±0.3% (w/v)
Linear Formula	CuSO₄·5H₂O
CAS	7732-18-5
Health Hazard 3	GHS P Statement Avoid release to the environment. Collect spillage. Dispose of contents/container to comply with local, state and federal regulations.
Health Hazard 2	GHS H Statement Toxic to aquatic life with long lasting effects.
Physical Form	Liquid
Grade	Certified
Recommended Storage	Room Temperature
Formula Weight	249.68
CAS Max %	6.93

1,731

Fehling's Solution 'B', Alkaline No. 2, Certified, LabChem™

Pricing & Availability
Specifications

Name Note	Alkaline No. 2
Linear Formula	KNaC₄H₄O₆·4H₂O
CAS	1310-73-2
Health Hazard 2	GHS H Statement Causes severe skin burns and eye damage.
Physical Form	Liquid
Health Hazard 1	Danger
UN Number	UN1824
Grade	Certified
Recommended Storage	Room Temperature
Formula Weight	282.22
CAS Max %	4.5

1,732

Bromocresol Green Sodium Salt, ACS Grade, LabChem™

CAS: 62625-32-5

Pricing & Availability
Specifications

CAS	62625-32-5

1,733

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]

Pricing & Availability
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

1,734

Xylenol Orange, 0.2% Alcoholic, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₃₁H₂₈N₂Na₄O₁₃S
Color	Purple
Physical Form	Liquid
Chemical Name or Material	Xylenol Orange
Grade	Certified
Identification	Passes Test
Density	0.8g/mL
Name Note	0.2% Alcoholic
CAS	3618-43-7
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, hot surfaces, open flames, sparks. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, lighting, ventilating equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe mist, spray, vapors. Do not eat, drink or smoke when using this product. Wear eye protection, face protection, protective clothing, protective gloves. Wash exposed skin thoroughly after handling. If exposed or concerned: Get medical advice/attention. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. In case of fire: Use carbon dioxide, 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 monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Suspected of damaging of the unborn child. Causes damage to organs (central nervous system, optic nerve, liver, kidneys).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	760.59
Specific Gravity	0.8g/mL
CAS Max %	0.2
Suitability	Passes Test

1,735

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

1,736

Methyl Red, 0.02% 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+]

Pricing & Availability
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

1,737

Phenolphthalein, 0.5% In 50% Ethanol, 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
Density	0.95g/mL
CAS	77-09-8
Decomposition Information	Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Flammable liquid and vapor. May cause cancer. Suspected of damaging the unborn child (oral). Causes damage to organs (central nervous system, optic nerve) (oral, dermal).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	318.32
Specific Gravity	0.95g/mL
CAS Max %	0.5

1,738

Methyl Orange, Modified, Certified, LabChem™

Pricing & Availability

1,739

Phenol Red Sodium Salt, ACS Grade, LabChem™

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 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)	376.358
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

1,740

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

Staining Reagents

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Bromocresol Purple, 0.04% Aqueous, pH 5.3 to 6.8 Yellow to Purple, Certified, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Phenolphthalein, 0.5% In 50% Ethanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Bromocresol Purple, 0.04% Aqueous, pH 5.3 to 6.8 Yellow to Purple, Certified, LabChem™

Phenolphthalein, 0.5% In 50% Ethanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™