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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1,876 – 1,890 of 7,073 results

1,876

Phenolphthalein, 1% w/v in Isopropanol, 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

1,877

Methylene Blue Solution, 0.1% w/v, Reagents

Methylene Blue Solution, 0.1% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	76°C
Percent Purity	0.1%
CAS	67-56-1
Color	Blue
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methylene Blue Solution, 0.1% w/v
Grade	Reagent
Synonym	3,7-Bis(dimethylamino)phenothiazin-5-ium chloride Trihydrate, Basic Blue 9 Trihydrate, Color Index 52015
Specific Gravity	0.9535

1,878

Indicator G, Reagents

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

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	587-98-4
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Indicator G
Grade	Reagent
Synonym	Metanil Yellow/Erioglaucine
Specific Gravity	1.001

1,879

Starch Indicator, 0.5% w/v, Reagents

Starch Indicator, 0.5% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.5%
CAS	69-72-7
Color	White
Physical Form	Liquid
Chemical Name or Material	Starch Indicator, 0.5% w/v
Grade	Reagent
Specific Gravity	1.0021

1,880

Toluidine Blue, 1% Aqueous, Certified, LabChem™

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.82 MDL Number: MFCD00011934 InChI Key: HNONEKILPDHFOL-UHFFFAOYSA-M PubChem CID: 7083 IUPAC Name: 3-amino-7-(dimethylamino)-2-methyl-5λ⁴-phenothiazin-5-ylium chloride SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1

Pricing & Availability
Specifications

PubChem CID	7083
CAS	92-31-9
Molecular Weight (g/mol)	305.82
MDL Number	MFCD00011934
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1
IUPAC Name	3-amino-7-(dimethylamino)-2-methyl-5λ⁴-phenothiazin-5-ylium chloride
InChI Key	HNONEKILPDHFOL-UHFFFAOYSA-M
Molecular Formula	C15H16ClN3S

1,881

Bromocresol Green Indicator, 0.04% w/v, Reagents

Bromocresol Green Indicator, 0.04% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.04%
CAS	62625-32-5
Color	Dark Blue
Physical Form	Liquid
Chemical Name or Material	Bromocresol Green Indicator, 0.04% w/v
Grade	Reagent
Synonym	Bromocresol blue, Bromcresol Green, Bromcresol Blue
Specific Gravity	1.001

1,882

Bromophenol Blue TS 0.1% in dilute Alcohol, Reagents

Bromophenol Blue TS 0.1% in dilute Alcohol, Meets USP specifications, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	82°C
CAS	64-17-5
Color	Red
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Bromophenol Blue TS 0.1% in dilute Alcohol
Grade	USP
Synonym	3',3'',5',5''-Tetrabromosulfonphthalein, Tetrabromophenol blue, Bromphenol blue
Specific Gravity	0.9225

1,883

Methylene Blue Solution [Methylene Blue Reagent, APHA], Reagents

Methylene Blue Solution [Methylene Blue Reagent, APHA], Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	7757-82-6
Color	Blue
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methylene Blue Solution [Methylene Blue Reagent, APHA]
Grade	Reagent
Synonym	3,7-Bis(dimethylamino)phenothiazin-5-ium chloride Trihydrate, Basic Blue 9 Trihydrate, Color Index 52015
Specific Gravity	1.0372

1,884

Reagents Holdings Llc Bromothymol Blue, 1% w/v in Methanol, Reagents

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

Pricing & Availability

1,885

Phenolphthalein, 0.08% in Methanol, for Organic Acids, Certified, LabChem™

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	318.33
ChEBI	CHEBI:34914
MDL Number	MFCD00005913
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

1,886

Phenol Red Indicator, 0.1% w/v, Reagents

Phenol Red Indicator, 0.1% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.1%
CAS	34487-61-1
Color	Orange/Red
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Phenol Red Indicator, 0.1% w/v
Grade	Reagent
Synonym	Phenolsulfonphthalein
Specific Gravity	1.0003

1,887

Brilliant Green, Reagent Grade, LabChem™

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

Pricing & Availability
Specifications

PubChem CID	12449
CAS	633-03-4
Molecular Weight (g/mol)	482.639
SMILES	CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]
IUPAC Name	[4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate
InChI Key	NNBFNNNWANBMTI-UHFFFAOYSA-M
Molecular Formula	C27H34N2O4S

1,888

Reagents Holdings Llc Methyl Red Indicator, 0.1% w/v in 60% Methanol, Reagents

Methyl Red Indicator, 0.1% w/v in 60% Methanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,889

Sulfo Orange Indicator, 0.04% w/v, Reagents

Sulfo Orange Indicator, 0.04% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.04%
CAS	547-57-9
Color	Orange/Red
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Sulfo Orange Indicator, 0.04% w/v
Grade	Reagent
Synonym	Tropaeolin O, Acid Orange 6, Resorcinol Yellow, Tropaeoline
Specific Gravity	1.001

1,890

Indicator VB, Reagents

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

Pricing & Availability
Specifications

CAS	67-63-0
Color	Dark Blue
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Indicator VB
Grade	Reagent
Synonym	Victoria Blue
Specific Gravity	0.8

Staining Reagents

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