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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 (9,271)
Tissue Stain Blocking Reagents (82)

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1,906 – 1,920 of 7,208 results
1,906

Thymolphthalein TS/RS, 0.1% in Alcohol, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 5',5''-Diisopropyl-2',2''-dimethylphenolphthalein IUPAC Name: ethanol SMILES: CCO

CAS 64-17-5
Molecular Weight (g/mol) 46.07
SMILES CCO
Synonym 5',5''-Diisopropyl-2',2''-dimethylphenolphthalein
IUPAC Name ethanol
InChI Key LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula C2H6O
1,908

Indicator 26 (0.04% Thymolphthalein), in 50% Denatured Ethanol, Reagents

Indicator 26 (0.04% Thymolphthalein), in 50% Denatured Ethanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

1,909

Phenolsulfonphthalein, 0.021% w/v (Phenol Red Indicator), Reagents

Phenolsulfonphthalein, 0.021% w/v (Phenol Red Indicator), Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

1,910

PAN Indicator, Reagents

PAN Indicator, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

1,911

Alizarin Red S, Reagent Grade, LabChem™

CAS: 130-22-3 Molecular Formula: C14H7NaO7S Molecular Weight (g/mol): 342.253 InChI Key: HFVAFDPGUJEFBQ-UHFFFAOYSA-M PubChem CID: 3955344 ChEBI: CHEBI:87358 IUPAC Name: sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]

PubChem CID 3955344
CAS 130-22-3
Molecular Weight (g/mol) 342.253
ChEBI CHEBI:87358
SMILES C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]
IUPAC Name sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula C14H7NaO7S
1,912

Brilliant Green, 1% Aqueous, pH 0.0 to 2.6 Yellow to Green, Certified, LabChem™

Certified 1% aqueous solution of brilliant green with a pH transition range of 0.0 to 2.6.

1,914

Methyl Orange-Xylene Cyanol, pH 2.9 to 4.6 Lavender to Green, Certified, LabChem™

Linear Formula 4-NaOSO2C6H4N:NC6H4-4-N(CH3)2
Color Gray/Green
Physical Form Liquid
Chemical Name or Material Methyl Orange-Xylene Cyanol
Grade Certified
Identification Passes Test
Density 1g/mL
Name Note pH 2.9 to 4.6 Lavender to Green
CAS 547-58-0
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; Carbon monoxide; Carbon dioxide
Health Hazard 2 GHS H Statement
Solution is not hazardous.
Packaging Poly Bottle
Solubility Information Soluble in water
Recommended Storage Room Temperature
Formula Weight 327.34
Specific Gravity 1g/mL
CAS Max % 0.1
1,915

Phenol Red, 0.02%, Aqueous, pH 6.8 to 8.4 Yellow to Red, Certified, 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+]

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
1,916

Methylene Blue, 1% in Ethanol, Certified, LabChem™

Boiling Point 78°C
Linear Formula C16H18N3SCl
Color Blue
Physical Form Liquid
Chemical Name or Material Methylene Blue
Grade Certified
Identification Passes Test
Absorbance Passes Test
Name Note 1% in Ethanol
CAS 61-73-4
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 a 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.
Suspected of damaging fertility or the unborn child.
Causes damage to organs (central nervous system, optic nerve, liver, kidneys).
Flash Point 13°C
Packaging Poly Bottle
Solubility Information Soluble in water
Health Hazard 1 Danger
Recommended Storage Room Temperature
Formula Weight 319.85
CAS Max % 1
Melting Point -115°C
1,917

Methyl Red, 0.02% in Methanol, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

Linear Formula C15H14N3O2Na
Molecular Weight (g/mol) 32.04
Identification Passes Test
InChI Key OKKJLVBELUTLKV-UHFFFAOYSA-N
Density 0.79g/mL
Name Note 0.02% in Methanol, pH 4.2 to 6.3 Pink to Yellow
Formula Weight 291.28
CAS Max % 0.02
Melting Point -98°C
Boiling Point 65°C
Color Orange
Physical Form Liquid
Chemical Name or Material Methyl Red
Grade Certified
SMILES CO
CAS 845-10-3
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.
Do not breathe mist, vapors, spray.
Use only outdoors or in a well-ventilated area.
Do not eat, drink or smoke when using this product.
Wear protective gloves, eye protection, face protection, protective clothing.
Wash exposed skin thoroughly after handling.
If swallowed: Rinse mouth.
Immediately call a poison center/doctor.
If on skin (or hair): Remove/Take off immediately all contaminated clothing.
Rinse skin with water/shower.
Call a poison center/doctor.
Wash contaminated clothing before reuse.
If inhaled: Remove person to fresh air and keep comfortable for breathing.
Call a poison center/doctor.
In case of fire: Use alcohol resistant foam, carbon dioxide (CO2), extinguishing powder 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; May release flammable gases
MDL Number MFCD00004595
Health Hazard 2 GHS H Statement
Highly flammable liquid and vapor.
Toxic if swallowed, in contact with skin or if inhaled.
Causes damage to organs (central nervous system, kidneys, liver, optic nerve).
Flash Point 9.7°C
Packaging Poly Bottle
Solubility Information Soluble in water
Health Hazard 1 Danger
Recommended Storage Room Temperature
IUPAC Name methanol
Molecular Formula CH4O
Specific Gravity 0.79g/mL
1,918

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

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 0.5%
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
1,919

Bromocresol Purple Sodium Salt, Reagent Grade, 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+]

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