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 (2,838)

1 – 15 of 1,477 results

Hematoxylin (Certified Biological Stain), Fisher Chemical™

CAS: 517-28-2 Molecular Formula: C16H14O6 Molecular Weight (g/mol): 302.28 MDL Number: MFCD00078111 InChI Key: WZUVPPKBWHMQCE-WKTCHCBJNA-N Synonym: Natural Black 1,Hydroxybrasilin PubChem CID: 45029742 IUPAC Name: (1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol SMILES: [H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3

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Pricing and Availability
Specifications

PubChem CID	45029742
CAS	517-28-2
Molecular Weight (g/mol)	302.28
MDL Number	MFCD00078111
SMILES	[H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3
Synonym	Natural Black 1,Hydroxybrasilin
IUPAC Name	(1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol
InChI Key	WZUVPPKBWHMQCE-WKTCHCBJNA-N
Molecular Formula	C16H14O6

Fisher Healthcare™ PROTOCOL™ Hema-G Stains for Geometric Data Hemastainer™

Quality-control tested on human blood smears to ensure proper staining and absence of precipitate

Pricing and Availability
Specifications

For Use With (Equipment)	Geometric data Hemastainer™
Shelf Life	1 Year
Storage Requirements	Room Temperature

BD BBL™ Gram Stain Kits

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

Pricing and Availability
Specifications

Includes	250mL gram crystal violet, 250mL iodine, 250mL gram decolorizer and 250mL gram safranin
Stain Type	Gram Stain
Quantity	1 Kit
Certifications/Compliance	CE
For Use With (Application)	Used to stain microorganisms from cultures or specimens by the differential gram method

BD BBL™ Replacement Reagents for Gram Stain Kits

For BBL Gram Stain Kits

Pricing and Availability
Specifications

Storage Requirements	15° to 30°C
Certifications/Compliance	CE
For Use With (Application)	Used to stain microorganisms from cultures or specimens by the differential gram method

Methylene Blue (Certified Biological Stain), Fisher Chemical™

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 PubChem CID: 104827 IUPAC Name: 3,7-bis(dimethylamino)-5λ⁴-phenothiazin-5-ylium trihydrate chloride SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

Pricing and Availability
Specifications

PubChem CID	104827
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Basic Blue 9
IUPAC Name	3,7-bis(dimethylamino)-5λ⁴-phenothiazin-5-ylium trihydrate chloride
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

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.

Pricing and Availability
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

Fisher Healthcare™ PROTOCOL™ Gram Stain Sets

Reusable tray provides secure bottle storage

Pricing and Availability
Specifications

Type	Gram Stain Kit
Format	Bottle
Stain Type	Gram Stain
Color	Reddish Violet
For Use With (Application)	Laboratory chemicals

Thermo Scientific Chemicals Ponceau S, pure

CAS: 6226-79-5 Molecular Formula: C22H12N4Na4O13S4 Molecular Weight (g/mol): 760.552 MDL Number: MFCD00003892 InChI Key: VSXKEUCERCWGKF-STNZDNLRSA-J Synonym: C.I. 27195,3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt PubChem CID: 11320219 IUPAC Name: tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Pricing and Availability
Specifications

PubChem CID	11320219
CAS	6226-79-5
Molecular Weight (g/mol)	760.552
MDL Number	MFCD00003892
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Synonym	C.I. 27195,3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt
IUPAC Name	tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VSXKEUCERCWGKF-STNZDNLRSA-J
Molecular Formula	C22H12N4Na4O13S4

Thermo Scientific Chemicals Methyl blue

CAS: 28983-56-4 Molecular Formula: C37H26N3Na2O9S3 Molecular Weight (g/mol): 798.79 MDL Number: MFCD00058509 InChI Key: TUHAIJABPUJAEY-UHFFFAOYSA-K Synonym: Acid blue 93; C.I. 42780 PubChem CID: 76956083 SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC=C1NC1=CC=C(C=C1)C(C1=CC=C(NC2=CC=CC=C2S([O-])(=O)=O)C=C1)=C1C=CC(C=C1)=NC1=CC=CC=C1S([O-])(=O)=O

Pricing and Availability
Specifications

PubChem CID	76956083
CAS	28983-56-4
Molecular Weight (g/mol)	798.79
MDL Number	MFCD00058509
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC=C1NC1=CC=C(C=C1)C(C1=CC=C(NC2=CC=CC=C2S([O-])(=O)=O)C=C1)=C1C=CC(C=C1)=NC1=CC=CC=C1S([O-])(=O)=O
Synonym	Acid blue 93; C.I. 42780
InChI Key	TUHAIJABPUJAEY-UHFFFAOYSA-K
Molecular Formula	C37H26N3Na2O9S3

Thermo Scientific Chemicals Bromocresol Purple, pure, indicator grade

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N Synonym: Bromcresol Purple,BCP,5', 5''-Dibromo-o-cresolsulfonephthalein PubChem CID: 8273 ChEBI: CHEBI:86154 SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

Pricing and Availability
Specifications

PubChem CID	8273
CAS	115-40-2
Molecular Weight (g/mol)	540.22
ChEBI	CHEBI:86154
MDL Number	MFCD00011681
SMILES	CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
Synonym	Bromcresol Purple,BCP,5', 5''-Dibromo-o-cresolsulfonephthalein
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

Wright's Stain, Rapid Formula, for Staining and General Differentiation of Blood Corpuscles, Ricca Chemical

CAS: 67-56-1 Molecular Formula: HNa2O4P Molecular Weight (g/mol): Mixture MDL Number: MFCD00003496 InChI Key: BNIILDVGGAEEIG-UHFFFAOYSA-L PubChem CID: 24203 ChEBI: CHEBI:34683 IUPAC Name: disodium hydrogen phosphate SMILES: [Na+].[Na+].OP([O-])([O-])=O

Pricing and Availability
Specifications

PubChem CID	24203
CAS	67-56-1
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:34683
MDL Number	MFCD00003496
SMILES	[Na+].[Na+].OP([O-])([O-])=O
IUPAC Name	disodium hydrogen phosphate
InChI Key	BNIILDVGGAEEIG-UHFFFAOYSA-L
Molecular Formula	HNa2O4P

Wright's Stain, Regular Formula, for Staining and General Differentiation of Blood Corpuscles, Ricca Chemical

Staining and General Differentiation of Blood Corpuscles

Pricing and Availability
Specifications

Name Note	Regular Formula
CAS	7732-18-5
Color	Dark Purple
Physical Form	Liquid
pH	6.30 to 6.50
Packaging	Amber Glass Bottle
CAS Min %	0.0010
Chemical Name or Material	Wright's Stain
Grade	Laboratory
CAS Max %	0.0010