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 (9,225)

Tissue Stain Blocking Reagents (82)

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1,036 – 1,050 of 7,180 results

1,036

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Thermo Scientific Chemicals Chrome Azurol S

CAS: 1667-99-8 Molecular Formula: C23H13Cl2Na3O9S Molecular Weight (g/mol): 605.277 MDL Number: MFCD00001615 InChI Key: FUIZKNBTOOKONL-UHFFFAOYSA-K Synonym: C.I. 43825,Mordant Blue 29 PubChem CID: 54736314 IUPAC Name: trisodium;5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate SMILES: CC1=CC(=CC(=C1[O-])C(=O)[O-])C(=C2C=C(C(=O)C(=C2)C(=O)O)C)C3=C(C=CC(=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+].[Na+]

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Specifications

PubChem CID	54736314
CAS	1667-99-8
Molecular Weight (g/mol)	605.277
MDL Number	MFCD00001615
SMILES	CC1=CC(=CC(=C1[O-])C(=O)[O-])C(=C2C=C(C(=O)C(=C2)C(=O)O)C)C3=C(C=CC(=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+].[Na+]
Synonym	C.I. 43825,Mordant Blue 29
IUPAC Name	trisodium;5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate
InChI Key	FUIZKNBTOOKONL-UHFFFAOYSA-K
Molecular Formula	C23H13Cl2Na3O9S

1,037

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Thermo Scientific Chemicals Prussian Blue, pure

CAS: 14038-43-8 Molecular Formula: C18Fe7N18 Molecular Weight (g/mol): 859.239 MDL Number: MFCD00135663 InChI Key: DCYOBGZUOMKFPA-UHFFFAOYSA-N Synonym: C.I. 77510,Ferric ferrocyanide,Pigment Blue 27 PubChem CID: 2724251 IUPAC Name: iron(2+);iron(3+);octadecacyanide SMILES: [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3]

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Specifications

PubChem CID	2724251
CAS	14038-43-8
Molecular Weight (g/mol)	859.239
MDL Number	MFCD00135663
SMILES	[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3]
Synonym	C.I. 77510,Ferric ferrocyanide,Pigment Blue 27
IUPAC Name	iron(2+);iron(3+);octadecacyanide
InChI Key	DCYOBGZUOMKFPA-UHFFFAOYSA-N
Molecular Formula	C18Fe7N18

1,038

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Thermo Scientific Chemicals Crystal Violet, pure, indicator

Crystal Violet, C25H30ClN3, CAS Number-548-62-9, 90-94-8, Basic Violet 3, C.I. 42555, Gentian Violet, 100g, 13, 756, CHEBI:41688, 407.99, Pure, Danger, GHS H Statement: Very toxic to aquatic life with long lasting effects. Harmful if swallowed. Causes serious eye damage. May cause cancer. | CAS: 548-62-9 | C25H30ClN3 | 407.986 g/mol

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Specifications

Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
Chemical Name or Material	Crystal Violet
Grade	Pure
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
Merck Index	15, 4430
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
PubChem CID	11057
Name Note	Indicator, Pure
CAS	90-94-8
Health Hazard 3	GHS P Statement: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Avoid release to the environment. Obtain special instructions before use. IF exposed or concerned: Get medical advice/attention. Do not eat, drink or smoke when using this product. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
MDL Number	MFCD00011750
Health Hazard 2	GHS H Statement: Very toxic to aquatic life with long lasting effects. Harmful if swallowed. Causes serious eye damage. May cause cancer.
Packaging	Glass bottle
Solubility Information	Solubility in water: 16g/L (25°C). Other solubilities: soluble in chloroform, 1 g/10 mL alcohol, 1 g/15 mL glycerin, practically insoluble in ether
Health Hazard 1	Danger
Synonym	Basic Violet 3,C.I. 42555,Gentian Violet
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
Beilstein	13, 756
Molecular Formula	C25H30ClN3
Formula Weight	407.99
Melting Point	215.0°C

1,039

MilliporeSigma™ Hemacolor™ Staining Kit for Microscopy

Solution 3: colour reagent blue

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1,040

Wright's Eosine Methylene Blue, For Microscopy, MilliporeSigma™

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1,041

Methylene Blue Trihydrate, Zinc Free, MP Biomedicals

CAS: 61-73-4 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.851 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Methylthionine chloride,C.I. 52015 PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]

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Specifications

PubChem CID	6099
CAS	61-73-4
Molecular Weight (g/mol)	319.851
ChEBI	CHEBI:6872
SMILES	CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
Synonym	Methylthionine chloride,C.I. 52015
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

1,042

Thermo Scientific™ Remel™ DMSO Modified Acid Fast Stain Kit

Thermo Scientific™ Remel DMSO Modified Acid Fast Stain Kit is for detection of acid-fast microorganisms.

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1,043

MilliporeSigma™ Lugol's solution

Used in bacteriological staining Gram bacteria.

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Specifications

Storage Requirements	15° to 25°C

1,044

Phenolphthalein StandAR, Macron Fine Chemicals™

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

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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

1,045

Epredia™ Signature Series™ Bluing Reagent

Ensure crisp nuclear detail with the ready-to-use Epredia™ Signature Series Bluing Reagent.

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Specifications

Form	Liquid
Product Type	Bluing Reagent
pH	8

1,046

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Celestine Blue, pure

CAS: 1562-90-9 Molecular Formula: C17H18ClN3O4 Molecular Weight (g/mol): 363.798 MDL Number: MFCD00011927 InChI Key: OJAMERVLRXYMPD-UHFFFAOYSA-N PubChem CID: 54684697 IUPAC Name: 7-(diethylamino)-4-hydroxy-3-oxophenoxazin-10-ium-1-carboxamide;chloride SMILES: CCN(CC)C1=CC2=C(C=C1)[NH+]=C3C(=CC(=O)C(=C3O2)O)C(=O)N.[Cl-]

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Specifications

PubChem CID	54684697
CAS	1562-90-9
Molecular Weight (g/mol)	363.798
MDL Number	MFCD00011927
SMILES	CCN(CC)C1=CC2=C(C=C1)[NH+]=C3C(=CC(=O)C(=C3O2)O)C(=O)N.[Cl-]
IUPAC Name	7-(diethylamino)-4-hydroxy-3-oxophenoxazin-10-ium-1-carboxamide;chloride
InChI Key	OJAMERVLRXYMPD-UHFFFAOYSA-N
Molecular Formula	C17H18ClN3O4

1,047

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Thermo Scientific Chemicals Rose Bengal, 85%, pure, high purity, Biological stain

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00005043 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Acid Red 94,C.I. 45440 PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

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Specifications

PubChem CID	87244310
CAS	632-69-9
Molecular Weight (g/mol)	1019.644
MDL Number	MFCD00005043
SMILES	C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
Synonym	Acid Red 94,C.I. 45440
IUPAC Name	sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	DPBQSRZQYAYDGY-UHFFFAOYSA-N
Molecular Formula	C20H4Cl4I4Na2O5

1,048

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NBD chloride, 98%

CAS: 10199-89-0 Molecular Formula: C6H2ClN3O3 Molecular Weight (g/mol): 199.55 MDL Number: MFCD00005808 InChI Key: IGHBXJSNZCFXNK-UHFFFAOYSA-N Synonym: 4-Chloro-7-nitrobenzofurazan,4-Chloro-7-nitrobenzo-2-oxa-1, 3-diazole PubChem CID: 25043 ChEBI: CHEBI:78878 IUPAC Name: 4-chloro-7-nitro-2,1,3-benzoxadiazole SMILES: C1=C(C2=NON=C2C(=C1)Cl)[N+](=O)[O-]

Pricing & Availability
Specifications

PubChem CID	25043
CAS	10199-89-0
Molecular Weight (g/mol)	199.55
ChEBI	CHEBI:78878
MDL Number	MFCD00005808
SMILES	C1=C(C2=NON=C2C(=C1)Cl)[N+](=O)[O-]
Synonym	4-Chloro-7-nitrobenzofurazan,4-Chloro-7-nitrobenzo-2-oxa-1, 3-diazole
IUPAC Name	4-chloro-7-nitro-2,1,3-benzoxadiazole
InChI Key	IGHBXJSNZCFXNK-UHFFFAOYSA-N
Molecular Formula	C6H2ClN3O3

1,049

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Thermo Scientific Chemicals Carbol Fuchsin, pure

CAS: 4197-24-4 Molecular Formula: C21H22ClN3 Molecular Weight (g/mol): 351.878 MDL Number: MFCD00143923 InChI Key: HZLHRDBTVSZCBS-GHTYLULLSA-N PubChem CID: 91997463 IUPAC Name: 4-[(Z)-(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydron;chloride SMILES: [H+].CC1=CC(=C(C2=CC=C(C=C2)N)C3=CC(=C(C=C3)N)C)C=CC1=N.[Cl-]

Pricing & Availability
Specifications

PubChem CID	91997463
CAS	4197-24-4
Molecular Weight (g/mol)	351.878
MDL Number	MFCD00143923
SMILES	[H+].CC1=CC(=C(C2=CC=C(C=C2)N)C3=CC(=C(C=C3)N)C)C=CC1=N.[Cl-]
IUPAC Name	4-[(Z)-(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydron;chloride
InChI Key	HZLHRDBTVSZCBS-GHTYLULLSA-N
Molecular Formula	C21H22ClN3

1,050

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Thermo Scientific Chemicals Light Green SF, Yellowish, pure, high purity biological stain

CAS: 5141-20-8 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012121 InChI Key: DGOBMKYRQHEFGQ-UHFFFAOYSA-L Synonym: Acid Green 5,C.I. 42095 PubChem CID: 21223 ChEBI: CHEBI:87065 IUPAC Name: disodium;3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-(4-sulfonatophenyl)methyl]anilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)S(=O)(=O)[O-].[Na+].[Na+]

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Specifications

PubChem CID	21223
CAS	5141-20-8
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:87065
MDL Number	MFCD00012121
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Acid Green 5,C.I. 42095
IUPAC Name	disodium;3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-(4-sulfonatophenyl)methyl]anilino]methyl]benzenesulfonate
InChI Key	DGOBMKYRQHEFGQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

Staining Reagents

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Epredia™ Signature Series™ Bluing Reagent GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Epredia™ Signature Series™ Bluing Reagent