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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901 – 915 of 7,126 results

901

MilliporeSigma™ Hematoxylin Monohydrate

For specific staining of DNA in the nuclei

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902

MilliporeSigma™ Gram's Decolorizing Solution

For the Gram staining method

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Specifications

Packaging	Plastic Bottle
Storage Requirements	15° to 25°C

903

MilliporeSigma™ Lugol's solution

Used in bacteriological staining Gram bacteria.

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Specifications

Storage Requirements	15° to 25°C

904

Giemsa's azur-eosin-methylene blue solution, For Microscopy, MilliporeSigma™

Pricing & Availability
Specifications

Color	Blue
Physical Form	Liquid
Health Hazard 1	H225: Highly flammable liquid and vapour. H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled H370: Causes damage to organs
UN Number	UN 1230
DOT Information	DOT Class: 3 (6.1), Packaging Group: II
Chemical Name or Material	Giemsa's azur-eosin-methylene blue solution
Odor	Smells like methanol

905

May-Grünwald's Eosine-Methylene Blue Solution Modified, For Microscopy, MilliporeSigma™

Pricing & Availability
Specifications

Color	Blue
Physical Form	Liquid
Health Hazard 1	H225: Highly flammable liquid and vapour. H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled H370: Causes damage to organs
UN Number	UN 1230
DOT Information	DOT Class: 3 (6.1), Packaging Group: II
Chemical Name or Material	May-Grünwald's Eosine-Methylene Blue Solution Modified
EINECS Number	200-659-6
Odor	Smells like methanol
Vapor Pressure	125 hPa at 20°C

906

MilliporeSigma™ Mayer's Hemalum Solutions for Microscopy

for microscopy

Pricing & Availability
Specifications

Product Type	Hemalum Solution
For Use With (Application)	Microscopy

907

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Thermo Scientific Chemicals Bromocresol Purple sodium salt

CAS: 62625-30-3 Molecular Formula: C21H15Br2NaO5S Molecular Weight (g/mol): 562.204 MDL Number: MFCD00148896 InChI Key: KVSJYIXUWNOWBD-UGAWPWHASA-M Synonym: Bromocresol Purple, water soluble PubChem CID: 23665568 IUPAC Name: sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]

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Specifications

PubChem CID	23665568
CAS	62625-30-3
Molecular Weight (g/mol)	562.204
MDL Number	MFCD00148896
SMILES	CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]
Synonym	Bromocresol Purple, water soluble
IUPAC Name	sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	KVSJYIXUWNOWBD-UGAWPWHASA-M
Molecular Formula	C21H15Br2NaO5S

908

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Thermo Scientific Chemicals Methyl Green, zinc chloride

CAS: 7114-03-6 Molecular Formula: C27H35Cl4N3Zn Molecular Weight (g/mol): 608.78 MDL Number: MFCD00151094 InChI Key: ZKOGXCSOLMZRAZ-UHFFFAOYSA-J Synonym: C.I. 42590 PubChem CID: 131675247 IUPAC Name: zinc;[4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium;bromide;trichloride SMILES: CC[N+](C)(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-].[Cl-].[Cl-].[Zn+2].[Br-]

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Specifications

PubChem CID	131675247
CAS	7114-03-6
Molecular Weight (g/mol)	608.78
MDL Number	MFCD00151094
SMILES	CC[N+](C)(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-].[Cl-].[Cl-].[Zn+2].[Br-]
Synonym	C.I. 42590
IUPAC Name	zinc;[4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium;bromide;trichloride
InChI Key	ZKOGXCSOLMZRAZ-UHFFFAOYSA-J
Molecular Formula	C27H35Cl4N3Zn

909

Lucifer yellow CH, Dilithium salt, ≥99%, >95%, MP Biomedicals

CAS: 67769-47-5 Molecular Formula: C13H9Li2N5O9S2 Molecular Weight (g/mol): 457.241 InChI Key: RPKCZJYDUKVMGF-UHFFFAOYSA-L Synonym: 6-amino-2[(Hyrazinocarbonyl)amino]-2,3-dihydro-1,3-dioxo-1H-Benz[de] Isoquinoline-5,8-disulfonic acid dilithium salt PubChem CID: 124220108 ChEBI: CHEBI:52106 IUPAC Name: dilithium;6-amino-2-(hydrazinecarbonylamino)-1,3-dioxobenzo[de]isoquinoline-5,8-disulfonate SMILES: [Li+].[Li+].C1=C(C=C2C3=C1C(=O)N(C(=O)C3=CC(=C2N)S(=O)(=O)[O-])NC(=O)NN)S(=O)(=O)[O-]

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Specifications

PubChem CID	124220108
CAS	67769-47-5
Molecular Weight (g/mol)	457.241
ChEBI	CHEBI:52106
SMILES	[Li+].[Li+].C1=C(C=C2C3=C1C(=O)N(C(=O)C3=CC(=C2N)S(=O)(=O)[O-])NC(=O)NN)S(=O)(=O)[O-]
Synonym	6-amino-2[(Hyrazinocarbonyl)amino]-2,3-dihydro-1,3-dioxo-1H-Benz[de] Isoquinoline-5,8-disulfonic acid dilithium salt
IUPAC Name	dilithium;6-amino-2-(hydrazinecarbonylamino)-1,3-dioxobenzo[de]isoquinoline-5,8-disulfonate
InChI Key	RPKCZJYDUKVMGF-UHFFFAOYSA-L
Molecular Formula	C13H9Li2N5O9S2

910

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Thermo Scientific Chemicals Fluorescein, pure

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 MDL Number: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

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Specifications

PubChem CID	16850
CAS	2321-07-5
Molecular Weight (g/mol)	332.31
ChEBI	CHEBI:31624
MDL Number	MFCD00005050
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
IUPAC Name	3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GNBHRKFJIUUOQI-UHFFFAOYSA-N
Molecular Formula	C20H12O5

911

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Naringin, 97%

CAS: 10236-47-2 Molecular Formula: C27H32O14 Molecular Weight (g/mol): 580.54 MDL Number: MFCD00148888,MFCD00149445,MFCD01461988 InChI Key: DFPMSGMNTNDNHN-ZPHOTFPESA-N PubChem CID: 74787988 IUPAC Name: 7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one SMILES: C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O

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Specifications

PubChem CID	74787988
CAS	10236-47-2
Molecular Weight (g/mol)	580.54
MDL Number	MFCD00148888,MFCD00149445,MFCD01461988
SMILES	C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O
IUPAC Name	7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
InChI Key	DFPMSGMNTNDNHN-ZPHOTFPESA-N
Molecular Formula	C27H32O14

912

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Thermo Scientific Chemicals Sudan Black B, high purity biological stain

CAS: 4197-25-5 Molecular Formula: C29H24N6 Molecular Weight (g/mol): 456.553 MDL Number: MFCD00006919 InChI Key: YCUVUDODLRLVIC-UHFFFAOYSA-N Synonym: C.I. 26150,Fat Black HB,Solvent Black 3 PubChem CID: 61336 IUPAC Name: (2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene SMILES: CC1(NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC=C6)C=CC=C3N1)C

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Specifications

PubChem CID	61336
CAS	4197-25-5
Molecular Weight (g/mol)	456.553
MDL Number	MFCD00006919
SMILES	CC1(NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC=C6)C=CC=C3N1)C
Synonym	C.I. 26150,Fat Black HB,Solvent Black 3
IUPAC Name	(2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene
InChI Key	YCUVUDODLRLVIC-UHFFFAOYSA-N
Molecular Formula	C29H24N6

913

Phenol Red Sodium Salt, ACS Grade, Sigma-Aldrich

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914

Toluidine Blue O, Certified, Sigma-Aldrich

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Specifications

CAS	92-31-9
Molecular Weight (g/mol)	305.83 g/mol
Color	Dark Green
Chemical Name or Material	Toluidine Blue O
Grade	Certified

915

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Thermo Scientific Chemicals Pyronin Y, pure, certified

CAS: 92-32-0 Molecular Formula: C17H19ClN2O Molecular Weight (g/mol): 302.802 MDL Number: MFCD00011725 InChI Key: INCIMLINXXICKS-UHFFFAOYSA-M Synonym: C.I. 45005,Pyronin G PubChem CID: 7085 ChEBI: CHEBI:87347 IUPAC Name: [6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-]

Pricing & Availability
Specifications

PubChem CID	7085
CAS	92-32-0
Molecular Weight (g/mol)	302.802
ChEBI	CHEBI:87347
MDL Number	MFCD00011725
SMILES	CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-]
Synonym	C.I. 45005,Pyronin G
IUPAC Name	[6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride
InChI Key	INCIMLINXXICKS-UHFFFAOYSA-M
Molecular Formula	C17H19ClN2O

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