Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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2,011 – 2,025 of 7,125 results

2,011

Chlorophenol Red, 0.04% Aqueous, pH 5.2 to 6.8 Yellow to Red, Certified, LabChem™

CAS: 123333-64-2 Molecular Formula: C19H11Cl2O5S Molecular Weight (g/mol): 422.25 MDL Number: MFCD00151199 InChI Key: QXTPRQZMDKBTAI-UNOMPAQXSA-M PubChem CID: 131846007 IUPAC Name: 2-[(3-chloro-4-hydroxyphenyl)[(1Z)-3-chloro-4-oxocyclohexa-2,5-dien-1-ylidene]methyl]benzene-1-sulfonate SMILES: OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O

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Specifications

PubChem CID	131846007
CAS	123333-64-2
Molecular Weight (g/mol)	422.25
MDL Number	MFCD00151199
SMILES	OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O
IUPAC Name	2-[(3-chloro-4-hydroxyphenyl)[(1Z)-3-chloro-4-oxocyclohexa-2,5-dien-1-ylidene]methyl]benzene-1-sulfonate
InChI Key	QXTPRQZMDKBTAI-UNOMPAQXSA-M
Molecular Formula	C19H11Cl2O5S

2,012

Congo Red Indicator, 0.1% (w/v), pH 3.0 to 5.0 Blue to Red, Certified, LabChem™

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

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Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

2,013

Chlorophenol Red Sodium Salt, Reagent Grade, LabChem™

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Specifications

PubChem CID	131846007
CAS	123333-64-2
Molecular Weight (g/mol)	422.25
MDL Number	MFCD00151199
SMILES	OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O
IUPAC Name	2-[(3-chloro-4-hydroxyphenyl)[(1Z)-3-chloro-4-oxocyclohexa-2,5-dien-1-ylidene]methyl]benzene-1-sulfonate
InChI Key	QXTPRQZMDKBTAI-UNOMPAQXSA-M
Molecular Formula	C19H11Cl2O5S

2,014

Cresol Red, 0.04% Aqueous, pH 0.2 to 1.8 Red to Yellow, pH 7.2 to 8.8 Yellow to Purple, Certified, LabChem™

CAS: 62625-29-0

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Specifications

CAS	62625-29-0

2,015

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.

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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

2,016

Crystal Violet, 1% w/v, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Gentian Violet, Basic Violet 3 IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	Gentian Violet, Basic Violet 3
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

2,017

Indigo Carmine (Acid Blue 74), Reagents

Indigo Carmine (Acid Blue 74), Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	300°C
CAS	860-22-0
Molecular Weight (g/mol)	466.3529
Color	Blue
Physical Form	Solid
Packaging	Glass Bottle
Chemical Name or Material	Indigo Carmine (Acid Blue 74)
Grade	Reagent
Synonym	FD and C Blue 2
Molecular Formula	C16H8N2Na2O8S2
Specific Gravity	1.01

2,018

Hardy Diagnostics™ Gram Stain Kit, Advanced™, with Stabilized Iodine

Used to stain microorganisms from cultures or specimens by the differential Gram method

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2,019

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.

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2,020

ENG Scientific Gram Stain Kit

The Gram Stain Kit is for differential staining of bacteria. Available in various counterstains and decolorizers.

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Specifications

For Use With (Application)	In vitro diagnostic use

2,021

ENG Scientific Eosin Y - 1% Alcoholic Solution

Eosin Y 1% Alcoholic Solution is for background contrast to nuclear stains. Smears are alcohol-ether fixed.

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Specifications

For Use With (Application)	Background contrast to nuclear stains

2,022

ENG Scientific Trichrome Stain Kit, Solution VIII - Xylene

For staining of intestinal protozoa. Use with Trichrome Stain Kit (For Intestinal Protozoa) with PVA Solution. Kit contains 100 mL of each Solution; Not to be confused with Gomori's Trichrome Stain used for Histology.

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2,023

ENG Scientific Harris' Alum Hematoxylin Stain with Glacial Acetic Acid

Harris' Alum Hematoxylin Stain with Glacial Acetic Acid is a regressive stain for demonstrating nuclear chromatin.

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Specifications

Content And Storage	Hematoxylin, Potassium Alum, Mercuric Oxide (red), Ethanol, Glacial Acetic Acid
Product Type	Hematoxylin
Packaging Type	Bottle
For Use With (Application)	In vitro diagnostic use only
Test Time	4 to 8 min.

2,024

ENG Scientific Wright Quick Stain Kits

For excellent staining results in one minute without precipitate. Alcoholic quick stain technique. No fixation necessary. For Quick Stain Kit (Wright or Wright Giemsa).

Pricing & Availability
Specifications

Includes	Solution I Wright Stain, Solution II Eosin, Solution III Buffer
For Use With (Application)	For excellent staining results in one min.

2,025

ENG Scientific Solution III - Ethanol (70%)

Solution III - Ethanol (70%) is ideal for differential staining of bacteria.

Pricing & Availability
Specifications

Format	Liquid
Product Type	Ethanol (70%)
Concentration	70%
For Use With (Application)	Ideal for differential staining of bacteria

Stains and Dyes

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