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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1,816 – 1,830 of 7,188 results

1,816

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

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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

1,817

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+]

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

1,818

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

1,819

Bromothymol Blue, ACS Reagent (Sultone) not water soluble, Reagents

Bromothymol Blue, ACS Reagent (Sultone) not water soluble, ACS, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

CAS	76-59-5
Molecular Weight (g/mol)	624.3812
Color	White
Physical Form	Solid
Packaging	Glass Bottle
Chemical Name or Material	Bromothymol Blue, ACS Reagent (Sultone) not water soluble
Grade	ACS
Synonym	Dibromothymolsulfophthalein, Bromthymol Blue
Molecular Formula	C27H28Br2O5S
Specific Gravity	1

1,820

Azer Scientific Eosin-Y Phloxine-B, iCON™ Staining System

Producing crisp and well-defined detail is our proprietary family of pH-balanced

Pricing & Availability
Specifications

For Use With (Application)	Automatic Stainers

1,821

Phenolphthalein, 0.0074% w/v in IPA, Reagents

CAS: 67-63-0 Molecular Formula: C3H8O Molecular Weight (g/mol): 60.10 InChI Key: KFZMGEQAYNKOFK-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: propan-2-ol SMILES: CC(C)O

Pricing & Availability
Specifications

CAS	67-63-0
Molecular Weight (g/mol)	60.10
SMILES	CC(C)O
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	propan-2-ol
InChI Key	KFZMGEQAYNKOFK-UHFFFAOYSA-N
Molecular Formula	C3H8O

1,822

Ferroin Indicator Solution, 0.025M Orthophenanthroline TS, Reagents

Ferroin Indicator Solution, 0.025M Orthophenanthroline TS, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	5144-89-8
Color	Dark Red
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Ferroin Indicator Solution, 0.025M Orthophenanthroline TS
Grade	Reagent
Synonym	O-Phenanthroline, 1,10-Phenanthroline
Specific Gravity	1.01

1,823

Bromothymol Blue TS 0.1% w/v in 50% Ethanol, Reagents

Bromothymol Blue TS 0.1% w/v in 50% Ethanol, Meets USP specifications, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,824

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

1,825

Murexide, ACS Reagent (Ammonium Purpurate), Reagents

CAS: 3051-09-0 Molecular Formula: C8H8N6O6 Molecular Weight (g/mol): 284.19 InChI Key: PCCZWUCAYILEMX-UHFFFAOYSA-O Synonym: Ammonium Purpurate, Color Index 56085 IUPAC Name: ammonium 2,4,6-trioxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1,3-diazinan-5-ide SMILES: [NH4+].O=C1NC(=O)[C-](N=C2C(=O)NC(=O)NC2=O)C(=O)N1

Pricing & Availability
Specifications

CAS	3051-09-0
Molecular Weight (g/mol)	284.19
SMILES	[NH4+].O=C1NC(=O)[C-](N=C2C(=O)NC(=O)NC2=O)C(=O)N1
Synonym	Ammonium Purpurate, Color Index 56085
IUPAC Name	ammonium 2,4,6-trioxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1,3-diazinan-5-ide
InChI Key	PCCZWUCAYILEMX-UHFFFAOYSA-O
Molecular Formula	C8H8N6O6

1,826

Methyl Orange, Sodium Salt Grade, ACS Grade, LabChem™

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23673835
CAS	547-58-0
Molecular Weight (g/mol)	327.334
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula	C14H14N3NaO3S

1,827

m-Cresol Purple, 0.1% Aqueous, pH 1.2 to 2.8 Red to Yellow, pH 7.4 to 9.0 Yellow to Purple, Certified, LabChem™

CAS: 62625-31-4

Pricing & Availability
Specifications

CAS	62625-31-4

1,828

CAS	3051-09-0
Molecular Weight (g/mol)	284.19
SMILES	[NH4+].O=C1NC(=O)[C-](N=C2C(=O)NC(=O)NC2=O)C(=O)N1
Synonym	Ammonium Purpurate, Color Index 56085
IUPAC Name	ammonium 2,4,6-trioxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1,3-diazinan-5-ide
InChI Key	PCCZWUCAYILEMX-UHFFFAOYSA-O
Molecular Formula	C8H8N6O6

1,829

Bromocresol Green - Methyl Red, Alcoholic, for Alkalinity, Certified, LabChem™

Pricing & Availability
Specifications

Boiling Point	78°C
Linear Formula	C₂₁H₁₄Br₄O₅S·Na
Color	Green
Physical Form	Liquid
UN Number	UN1170
Chemical Name or Material	Bromocresol Green - Methyl Red
Grade	Certified
Identification	Passes Test
Density	790kg/m³
Name Note	Alcoholic, for Alkalinity
CAS	845-10-3
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. Wear eye protection, face protection, protective clothing, protective gloves. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. If exposed or concerned: Get medical 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 (CO2), 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	Fume; Carbon monoxide; Carbon dioxide; May release flammable gases
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. May cause cancer. Suspected of damaging the unborn child. Causes damage to organs (central nervous system, optic nerve) (oral, dermal).
Flash Point	13°C
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
EINECS Number	200-578-6
Formula Weight	720.06
Specific Gravity	790kg/m³
CAS Max %	0.04
Melting Point	-115°C

1,830

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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Azer Scientific Eosin-Y Phloxine-B, iCON™ Staining System Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Azer Scientific Eosin-Y Phloxine-B, iCON™ Staining System