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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1,981 – 1,995 of 7,188 results

1,981

Crystal Violet, 1% (w/v) in Glacial Acetic Acid, for Non-Aqueous Titrations, Certified, LabChem™

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.05 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(O)=O

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Specifications

PubChem CID	176
CAS	64-19-7
Molecular Weight (g/mol)	60.05
ChEBI	CHEBI:15366
MDL Number	MFCD00036152
SMILES	CC(O)=O
IUPAC Name	acetic acid
InChI Key	QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula	C2H4O2

1,982

11-13 Indicator 4-(4-Nitrophenylazo)resorcinol, 0.02% in 20% IPA, Reagents

11-13 Indicator 4-(4-Nitrophenylazo)resorcinol, 0.02% in 20% IPA, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,983

Murexide Indicator, 0.15% in Ethylene Glycol, for Calcium, Certified, LabChem™

CAS: 107-21-1 Molecular Formula: C2H6O2 Molecular Weight (g/mol): 62.068 InChI Key: LYCAIKOWRPUZTN-UHFFFAOYSA-N PubChem CID: 174 ChEBI: CHEBI:30742 IUPAC Name: ethane-1,2-diol SMILES: C(CO)O

Pricing & Availability
Specifications

PubChem CID	174
CAS	107-21-1
Molecular Weight (g/mol)	62.068
ChEBI	CHEBI:30742
SMILES	C(CO)O
IUPAC Name	ethane-1,2-diol
InChI Key	LYCAIKOWRPUZTN-UHFFFAOYSA-N
Molecular Formula	C2H6O2

1,984

Modified Methyl Orange Indicator, 0.1% Methyl Orange-Xylene Cyanole, Reagents

Modified Methyl Orange Indicator, 0.1% Methyl Orange-Xylene Cyanole, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.1%
CAS	2650-17-1
Color	Blue to Green
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Modified Methyl Orange Indicator, 0.1% Methyl Orange-Xylene Cyanole
Grade	Reagent
Synonym	Methyl Orange-Xylene Cyanole
Specific Gravity	1.001

1,985

Rhodanine Indicator, 0.02% (w/v), LabChem™

CAS: 141-84-4 Molecular Formula: C3H3NOS2 Molecular Weight (g/mol): 133.183 InChI Key: KIWUVOGUEXMXSV-UHFFFAOYSA-N PubChem CID: 1201546 ChEBI: CHEBI:8830 IUPAC Name: 2-sulfanylidene-1,3-thiazolidin-4-one SMILES: C1C(=O)NC(=S)S1

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Specifications

PubChem CID	1201546
CAS	141-84-4
Molecular Weight (g/mol)	133.183
ChEBI	CHEBI:8830
SMILES	C1C(=O)NC(=S)S1
IUPAC Name	2-sulfanylidene-1,3-thiazolidin-4-one
InChI Key	KIWUVOGUEXMXSV-UHFFFAOYSA-N
Molecular Formula	C3H3NOS2

1,986

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

Pricing & Availability
Specifications

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

1,987

Bromothymol Blue Sodium Salt, ACS Grade, 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

1,988

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

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

1,989

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

1,990

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

Pricing & Availability
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

1,991

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

Pricing & Availability
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

1,992

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

1,993

Methylene Blue Indicator, 0.2% Aqueous, Reagents

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

Pricing & Availability

1,994

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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1,995

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.

Pricing & Availability
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

Staining Reagents

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