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 (9,258)

Tissue Stain Blocking Reagents (83)

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1,996 – 2,010 of 7,188 results

1,996

Phenolphthalein, 0.5% w/v in 50% Isopropanol, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: water SMILES: O

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Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,997

Phenolphthalein, 0.5% w/v in 50% Alcohol, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,998

Phenolphthalein, 0.05% w/v in Reagent Alcohol, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: ethanol SMILES: CCO

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Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

1,999

Phenolphthalein, 1% w/v in Methanol, Reagents

CAS: 67-56-1 Molecular Formula: CH4O Molecular Weight (g/mol): 32.04 InChI Key: OKKJLVBELUTLKV-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: methanol SMILES: CO

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Specifications

CAS	67-56-1
Molecular Weight (g/mol)	32.04
SMILES	CO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	methanol
InChI Key	OKKJLVBELUTLKV-UHFFFAOYSA-N
Molecular Formula	CH4O

2,000

Methylene Blue, 1% w/v, Reagents

Methylene Blue, 1% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	1%
CAS	7220-79-3
Color	Blue
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methylene Blue, 1% w/v
Grade	Reagent
Synonym	3,7-Bis(dimethylamino)phenothiazin-5-ium chloride Trihydrate, Basic Blue 9 Trihydrate, Color Index 52015
Specific Gravity	1.005

2,001

Phenolphthalein Indicator, 0.08% w/v in Methanol, Reagents

Phenolphthalein Indicator, 0.08% w/v in Methanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

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2,002

Methyl Orange Indicator, 0.05% w/v, Reagents

Methyl Orange Indicator, 0.05% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

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Specifications

Boiling Point	100°C
Percent Purity	0.05%
CAS	547-58-0
Color	Orange
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methyl Orange Indicator, 0.05% w/v
Grade	Reagent
Synonym	Orange III, Helianthine
Molecular Formula	C14H14N3NaO3S/H2O
Specific Gravity	1.001

2,003

Methylene Blue Indicator, 0.2% Aqueous, Reagents

Methylene Blue Indicator, 0.2% Aqueous, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

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2,004

Thymol Blue, 0.08% in Methanol, for Organic Acids, Certified, LabChem™

CAS: 76-16-9

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Specifications

CAS	76-16-9

2,005

Starch Indicator, Preserved with Chloroform (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 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

2,006

Thymol Blue, 0.04% Aqueous, pH 1.2 to 2.8 Red to Yellow, pH 8.0 to 9.6 Yellow to Blue, Certified, LabChem™

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): 488.57 MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 IUPAC Name: sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

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Specifications

PubChem CID	23692293
CAS	62625-21-2
Molecular Weight (g/mol)	488.57
MDL Number	MFCD00151093
SMILES	[Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O
IUPAC Name	sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate
InChI Key	OCMIKNBSIRSUPI-FRWNMSGJSA-M
Molecular Formula	C27H29NaO5S

2,007

ENG Scientific Lactophenol Cotton Blue Stain, Certified

For staining fungi using Lactophenol Cotton Blue Stain.

Pricing & Availability
Specifications

Includes	Phenol, lactic acid, glycerol, aniline blue
Format	Bottle
Product Type	Lactophenol Cotton Blue Stain
Stain Type	Lactophenol Cotton Blue
For Use With (Application)	Staining fungi, in-vitro diagnostic use

2,008

ENG Scientific Ziehl-Neelsen Stain Kit

Acid-fast organisms stain red. Other organisms and material stain blue. Use with Ziehl-Neelsen Stain Kit. Kit includes 250 mL each: Solution I - Carbol Fuchsin, Solution II - Acid Alcohol, and Solution III - Loeffler's Methylene Blue.