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 (9,241)

Tissue Stain Blocking Reagents (82)

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256 – 270 of 7,189 results

256

Thermo Scientific™ Remel™ BactiDrop Dobell and O'Connor Iodine

Prepare wet mounts of intestinal protozoa using BactiDrop™ Dobell & O'Connor Iodine stain.

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257

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Thermo Scientific Chemicals Cresyl Violet acetate

CAS: 10510-54-0 Molecular Formula: C18H15N3O3 Molecular Weight (g/mol): 321.34 MDL Number: MFCD00013151,MFCD00013151 InChI Key: XKOCOMKJPWEOHX-UHFFFAOYSA-M Synonym: 9-Amino-5-imino-5H-benzo[a]phenoxazine acetate salt; Cresyl echt violet PubChem CID: 44134641 IUPAC Name: acetic acid;5-iminobenzo[a]phenoxazin-9-amine SMILES: CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3

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Specifications

PubChem CID	44134641
CAS	10510-54-0
Molecular Weight (g/mol)	321.34
MDL Number	MFCD00013151,MFCD00013151
SMILES	CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3
Synonym	9-Amino-5-imino-5H-benzo[a]phenoxazine acetate salt; Cresyl echt violet
IUPAC Name	acetic acid;5-iminobenzo[a]phenoxazin-9-amine
InChI Key	XKOCOMKJPWEOHX-UHFFFAOYSA-M
Molecular Formula	C18H15N3O3

258

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Thermo Scientific Chemicals Fluorescein Isothiocyanate Isomer I, 90%, Pure

CAS: 3326-32-7 Molecular Formula: C21H11NO5S Molecular Weight (g/mol): 389.381 MDL Number: MFCD00005063 InChI Key: MHMNJMPURVTYEJ-UHFFFAOYSA-N Synonym: 5-FITC,5-Isothiocyanato fluorescein PubChem CID: 18730 ChEBI: CHEBI:37918 IUPAC Name: 3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

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Specifications

PubChem CID	18730
CAS	3326-32-7
Molecular Weight (g/mol)	389.381
ChEBI	CHEBI:37918
MDL Number	MFCD00005063
SMILES	C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Synonym	5-FITC,5-Isothiocyanato fluorescein
IUPAC Name	3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	MHMNJMPURVTYEJ-UHFFFAOYSA-N
Molecular Formula	C21H11NO5S

259

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Thermo Scientific Chemicals Lissamine Green B, pure

CAS: 3087-16-9 Molecular Formula: C27H25N2NaO7S2 Molecular Weight (g/mol): 576.614 MDL Number: MFCD00012117 InChI Key: WDPIZEKLJKBSOZ-UHFFFAOYSA-M Synonym: Acid Green 50,C.I. 44090,Wool Green S PubChem CID: 91525 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	91525
CAS	3087-16-9
Molecular Weight (g/mol)	576.614
MDL Number	MFCD00012117
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]
Synonym	Acid Green 50,C.I. 44090,Wool Green S
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate
InChI Key	WDPIZEKLJKBSOZ-UHFFFAOYSA-M
Molecular Formula	C27H25N2NaO7S2

260

Novus Biologicals™ Hematoxylin QS Counterstain

modification of Mayer's hematoxylin developed especially for immunocytochemistry, provides crisp blue nuclear staining.

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261

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Thermo Scientific Chemicals Thionin acetate, pure, high purity biological stain

CAS: 78338-22-4 Molecular Formula: C14H13N3O2S Molecular Weight (g/mol): 287.337 MDL Number: MFCD00081194 InChI Key: JOIRQYHDJINFGA-UHFFFAOYSA-N Synonym: 3, 7-Diaminophenothiazin-5-ium acetate PubChem CID: 2724414 IUPAC Name: (7-aminophenothiazin-3-ylidene)azanium;acetate SMILES: CC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2

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Specifications

PubChem CID	2724414
CAS	78338-22-4
Molecular Weight (g/mol)	287.337
MDL Number	MFCD00081194
SMILES	CC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2
Synonym	3, 7-Diaminophenothiazin-5-ium acetate
IUPAC Name	(7-aminophenothiazin-3-ylidene)azanium;acetate
InChI Key	JOIRQYHDJINFGA-UHFFFAOYSA-N
Molecular Formula	C14H13N3O2S

262

BD Fixable Viability Stain 450

Useful to discriminate viable from non-viable mammalian cells in multicolor flow cytometric application

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263

Potassium Chromate Indicator, For Chloride, Certified, 5% (w/v), LabChem™

CAS: 7732-18-5

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Specifications

CAS	7732-18-5

264

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Thermo Scientific Chemicals Orange II, pure

CAS: 633-96-5 Molecular Formula: C16H11N2NaO4S Molecular Weight (g/mol): 350.324 MDL Number: MFCD00011657 InChI Key: IGQFKZCLTLAWLO-UHFFFAOYSA-M Synonym: Acid Orange 7,C.I. 15510,p-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid, sodium salt PubChem CID: 44135675 IUPAC Name: sodium;4-[2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate SMILES: C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	44135675
CAS	633-96-5
Molecular Weight (g/mol)	350.324
MDL Number	MFCD00011657
SMILES	C1=CC=C2C(=C1)C=CC(=O)C2=NNC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]
Synonym	Acid Orange 7,C.I. 15510,p-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid, sodium salt
IUPAC Name	sodium;4-[2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate
InChI Key	IGQFKZCLTLAWLO-UHFFFAOYSA-M
Molecular Formula	C16H11N2NaO4S

265

Dichlorofluorescein, 0.1% Alcoholic, Certified, LabChem™

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Specifications

Linear Formula	C₂₀H₁₀Cl₂O₅
Color	Yellow
Physical Form	Liquid
Chemical Name or Material	Dichlorofluorescein
Grade	Certified
Identification	Passes Test
Name Note	0.1% Alcoholic
CAS	76-54-0
Health Hazard 3	GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe mist, vapors, spray. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. If swallowed: Rinse mouth. Call a poison center/doctor if you feel unwell. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If skin irritation occurs: Get medical advice/attention. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. In case of fire: Use carbon dioxide, powder, alcohol-resistant foam to extinguish. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Hydrogen fluoride; Carbon monoxide; Carbon dioxide; Hydrogen chloride
Health Hazard 2	GHS H Statement Flammable liquid and vapor. Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Suspected of damaging fertility or the unborn child. Causes damage to organs (central nervous system, optic nerve) (oral).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	401.2
CAS Max %	0.1
Suitability	Passes Test

266

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Thermo Scientific Chemicals Eriochrome Black T Solution

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M Synonym: C.I. 14645,3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt,Mordant Black 11 PubChem CID: 87355429 IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate 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

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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. 14645,3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt,Mordant Black 11
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

267

Thermo Scientific Chemicals Xylenol Orange tetrasodium salt, ACS

CAS: 3618-43-7 MDL Number: MFCD00044293

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Specifications

CAS	3618-43-7
MDL Number	MFCD00044293

268

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Thermo Scientific Chemicals Light Green SF Yellowish

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

269

Novus Biologicals™ Hematoxylin and Eosin Stain Kit

intended for use in histology and cytology applications.

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270

Boric Acid, 4% (w/v) with Indicator (Bromocresol Green-Methyl Red), Certified, 4.0% (w/v) ±0.2%, LabChem™

CAS: 10043-35-3 Molecular Formula: BH3O3 Molecular Weight (g/mol): 61.83 MDL Number: MFCD00011337 InChI Key: KGBXLFKZBHKPEV-UHFFFAOYSA-N Synonym: orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,Tris-borate-EDTA,h3bo3,flea prufe PubChem CID: 7628 ChEBI: CHEBI:33118 IUPAC Name: boric acid SMILES: OB(O)O

Pricing & Availability
Specifications

PubChem CID	7628
CAS	10043-35-3
Molecular Weight (g/mol)	61.83
ChEBI	CHEBI:33118
MDL Number	MFCD00011337
SMILES	OB(O)O
Synonym	orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,Tris-borate-EDTA,h3bo3,flea prufe
IUPAC Name	boric acid
InChI Key	KGBXLFKZBHKPEV-UHFFFAOYSA-N
Molecular Formula	BH3O3

Staining Reagents

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Thermo Scientific™ Remel™ BactiDrop Dobell and O'Connor Iodine GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ BactiDrop Dobell and O'Connor Iodine