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 (9,304)

Tissue Stain Blocking Reagents (83)

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166 – 180 of 7,242 results

166

Thermo Scientific™ Remel™ TB Kinyoun Carbolfuchsin Stain

Thermo Scientific™ Remel TB Kinyoun Carbolfuchsin is a primary stain for AFB and Cryptosporidium modified acid-fast staining procedures.

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167

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Thermo Scientific Chemicals Phenolphthalein, ACS reagent

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 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
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

168

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Thermo Scientific Chemicals Rhodamine B

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

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Specifications

PubChem CID	6694
CAS	81-88-9
Molecular Weight (g/mol)	479.02
ChEBI	CHEBI:52334
MDL Number	MFCD00011931
SMILES	[Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
IUPAC Name	[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
InChI Key	PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O3

169

Thermo Scientific™ Remel™ TB Decolorizer, Truant-Moore

Thermo Scientific™ Remel TB Decolorizer, Truant-Moore is for TB Auramine O and TB Auramine-Rhodamine T fluorescent stains.

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170

Thermo Scientific Chemicals Methylene Blue, 1% w/v aq. soln.

CAS: 122965-43-9 | C₁₆H₁₈ClN₃S

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Specifications

Concentration or Composition (by Analyte or Components)	3, 7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate: 1.0%; Water: 99%
CAS	7732-18-5
MDL Number	MFCD00012111
Physical Form	Liquid
Solubility Information	Miscible with ethanol,chloroform,glacial acetic acid and glycerol. Slightly miscible with pyridine. Immiscible with ethyl ether,xylene,oleic acid,ethanol and acetone.
Chemical Name or Material	Methylene Blue
TSCA	Yes
Recommended Storage	Ambient temperatures
Molecular Formula	C₁₆H₁₈ClN₃S
Formula Weight	319.86
Vapor Pressure	23 hPa (17mm Hg) at 20°C
Assay Percent Range	1% w/v aqueous solution

171

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Thermo Scientific Chemicals Calcon™, pure

CAS: 2538-85-4 Molecular Formula: C20H13N2NaO5S Molecular Weight (g/mol): 416.383 MDL Number: MFCD00004069 InChI Key: YJUGDMOGPJJWDG-UHFFFAOYSA-M Synonym: C.I. 15705,Eriochrome™ Blue Black R,Mordant Black 17,Zinchrome R PubChem CID: 23702480 IUPAC Name: sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]

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Specifications

PubChem CID	23702480
CAS	2538-85-4
Molecular Weight (g/mol)	416.383
MDL Number	MFCD00004069
SMILES	C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]
Synonym	C.I. 15705,Eriochrome™ Blue Black R,Mordant Black 17,Zinchrome R
IUPAC Name	sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate
InChI Key	YJUGDMOGPJJWDG-UHFFFAOYSA-M
Molecular Formula	C20H13N2NaO5S

172

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Thermo Scientific Chemicals Bromocresol Purple

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N PubChem CID: 8273 ChEBI: CHEBI:86154 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-methylphenol SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

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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
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-methylphenol
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

173

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Thermo Scientific Chemicals Crystal Violet, certified

CAS: 548-62-9 | C25H30ClN3 | 407.986 g/mol

Pricing & Availability
Specifications

Dye Content	88% min.
Absorption Ratio	0.98 to 1.2 (P-15/P+15)
Molecular Weight (g/mol)	407.986
Color	Green
ChEBI	CHEBI:41688
Physical Form	Crystalline Powder
Chemical Name or Material	Crystal Violet
Grade	Certified
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
CAS	90-94-8
Infrared Spectrum	Authentic
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.
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

174

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Thermo Scientific Chemicals Patent Blue VF, pure, indicator grade

CAS: 129-17-9 Molecular Formula: C27H31N2NaO6S2 Molecular Weight (g/mol): 566.66 MDL Number: MFCD00012119 InChI Key: SJEYSFABYSGQBG-UHFFFAOYSA-M Synonym: Acid Blue 1,C.I. 42045,αzurine 2G,Sulphan blue PubChem CID: 8507 ChEBI: CHEBI:34906 IUPAC Name: sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate SMILES: [Na+].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1S([O-])(=O)=O)S([O-])(=O)=O

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Specifications

PubChem CID	8507
CAS	129-17-9
Molecular Weight (g/mol)	566.66
ChEBI	CHEBI:34906
MDL Number	MFCD00012119
SMILES	[Na+].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Acid Blue 1,C.I. 42045,αzurine 2G,Sulphan blue
IUPAC Name	sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate
InChI Key	SJEYSFABYSGQBG-UHFFFAOYSA-M
Molecular Formula	C27H31N2NaO6S2

175

Thermo Scientific™ Remel™ Gram Stain Kit Plastic Tray

Thermo Scientific™ Remel Gram Stain Kit Plastic Tray holds 4 x 250mL bottles.

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176

Thermo Scientific™ Remel™ Gram Enhancer

Thermo Scientific™ Remel Gram Enhancer is used to reduce the red color of background debris to give better contrast to small gram-negative microorganisms.

Pricing & Availability
Specifications

Product Type	Enhancer

177

Epredia™ Shandon™ EA-50 Stain

Clearly differentiate cellular components with pink, green and blue-green hues utilizing Epredia™ Shandon™ EA-50 Stain.

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Specifications

Product Type	Cellular Components Stain

178

Thermo Scientific Chemicals Xylenol Orange tetrasodium salt, ACS

CAS: 3618-43-7 MDL Number: MFCD00044293

Pricing & Availability
Specifications

CAS	3618-43-7
MDL Number	MFCD00044293

179

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Thermo Scientific Chemicals Malachite Green oxalate, pure, certified

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4,C.I. 42000 PubChem CID: 2724411 IUPAC Name: [4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	2724411
CAS	2437-29-8
Molecular Weight (g/mol)	927.02
MDL Number	MFCD00011766,MFCD00151209
SMILES	OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym	Basic Green 4,C.I. 42000
IUPAC Name	[4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

180

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Thermo Scientific Chemicals Eriochrome Black T

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M Synonym: C.I. 14645; Mordant Black 11 PubChem CID: 87355429 SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	87355429
CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
Synonym	C.I. 14645; Mordant Black 11
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

Staining Reagents

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Thermo Scientific™ Remel™ TB Decolorizer, Truant-Moore GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ Gram Enhancer GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ TB Decolorizer, Truant-Moore

Thermo Scientific™ Remel™ Gram Enhancer