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 (9,044)

Tissue Stain Blocking Reagents (80)

Search Within Results

271 – 285 of 7,000 results

271

Promotions Available

Thermo Scientific Chemicals Crystal Violet, pure, high purity biological stain

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

Pricing & Availability
Specifications

Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
PubChem CID	11057
Percent Purity	≥96.0% (TiCl3-titration) (on dried substance)
Infrared Spectrum	Authentic
RTECS Number	BO9000000
Formula Weight	407.99
Melting Point	215.0°C
Color	Green
Loss on Drying	9% max. (110°C)
Physical Form	Powder or Crystals
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
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
TSCA	TSCA
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
Beilstein	13, 756
Molecular Formula	C25H30ClN3
EINECS Number	208-953-6

272

Arsenazo III Indicator, Certified, LabChem™

CAS: 1668-00-4 Molecular Formula: C22H18As2N4O14S2 Molecular Weight (g/mol): 776.363 InChI Key: TVMZRHVOFZTNET-RIRMOVKSSA-N PubChem CID: 9810878 IUPAC Name: (3Z,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxonaphthalene-2,7-disulfonic acid SMILES: C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O

Pricing & Availability
Specifications

PubChem CID	9810878
CAS	1668-00-4
Molecular Weight (g/mol)	776.363
SMILES	C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O
IUPAC Name	(3Z,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxonaphthalene-2,7-disulfonic acid
InChI Key	TVMZRHVOFZTNET-RIRMOVKSSA-N
Molecular Formula	C22H18As2N4O14S2

273

Promotions Available

Thermo Scientific Chemicals Indigo, synthetic

CAS: 482-89-3 Molecular Formula: C16H10N2O2 Molecular Weight (g/mol): 262.268 MDL Number: MFCD00005722 InChI Key: COHYTHOBJLSHDF-BUHFOSPRSA-N Synonym: C.I. 73000,Vat Blue 1 PubChem CID: 5318432 IUPAC Name: (2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one SMILES: C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2

Pricing & Availability
Specifications

PubChem CID	5318432
CAS	482-89-3
Molecular Weight (g/mol)	262.268
MDL Number	MFCD00005722
SMILES	C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2
Synonym	C.I. 73000,Vat Blue 1
IUPAC Name	(2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
InChI Key	COHYTHOBJLSHDF-BUHFOSPRSA-N
Molecular Formula	C16H10N2O2

274

Solvent blue 35, MP Biomedicals™

CAS: 17354-14-2 Molecular Formula: C22H26N2O2 Molecular Weight (g/mol): 350.462 MDL Number: MFCD00011714 InChI Key: OCQDPIXQTSYZJL-UHFFFAOYSA-N Synonym: C.I. 61554,Sudan Blue II PubChem CID: 3766139 IUPAC Name: 1,4-bis(butylamino)anthracene-9,10-dione SMILES: CCCCNC1=C2C(=C(C=C1)NCCCC)C(=O)C3=CC=CC=C3C2=O

Pricing & Availability
Specifications

PubChem CID	3766139
CAS	17354-14-2
Molecular Weight (g/mol)	350.462
MDL Number	MFCD00011714
SMILES	CCCCNC1=C2C(=C(C=C1)NCCCC)C(=O)C3=CC=CC=C3C2=O
Synonym	C.I. 61554,Sudan Blue II
IUPAC Name	1,4-bis(butylamino)anthracene-9,10-dione
InChI Key	OCQDPIXQTSYZJL-UHFFFAOYSA-N
Molecular Formula	C22H26N2O2

275

Fast blue B salt, MP Biomedicals™

Pricing & Availability

276

Promotions Available

Thermo Scientific Chemicals Rhodamine 6G, pure

CAS: 989-38-8 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.017 MDL Number: MFCD00012665 InChI Key: VYXSBFYARXAAKO-UHFFFAOYSA-N Synonym: Basic Red 1,C.I. 45160 PubChem CID: 51358423 IUPAC Name: ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;hydron;chloride SMILES: [H+].CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.[Cl-]

Pricing & Availability
Specifications

PubChem CID	51358423
CAS	989-38-8
Molecular Weight (g/mol)	479.017
MDL Number	MFCD00012665
SMILES	[H+].CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.[Cl-]
Synonym	Basic Red 1,C.I. 45160
IUPAC Name	ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;hydron;chloride
InChI Key	VYXSBFYARXAAKO-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O3

277

Promotions Available

Thermo Scientific Chemicals Nuclear Fast Red Soln., enhanced stability

Pricing & Availability
Specifications

Health Hazard 3	P280-P305+P351+P338-P310
Physical Form	Liquid
Packaging	Plastic bottle
Health Hazard 1	H318
Chemical Name or Material	Nuclear Fast Red Soln.
Synonym	Kernechtrot Solution
TSCA	Yes
Recommended Storage	Ambient temperatures

278

Promotions Available

Thermo Scientific™ Chlorazol Black E

CAS: 1937-37-7 Molecular Formula: C34H25N9Na2O7S2 Molecular Weight (g/mol): 781.73 MDL Number: MFCD00066363 InChI Key: OLVNAWLXZDRGPL-UHFFFAOYSA-L Synonym: Azo Black; C.I. 30235 PubChem CID: 44135447 IUPAC Name: disodium;4-amino-3-[[4-[4-[(2,4-diaminophenyl)diazenyl]phenyl]phenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate SMILES: C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	44135447
CAS	1937-37-7
Molecular Weight (g/mol)	781.73
MDL Number	MFCD00066363
SMILES	C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Azo Black; C.I. 30235
IUPAC Name	disodium;4-amino-3-[[4-[4-[(2,4-diaminophenyl)diazenyl]phenyl]phenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	OLVNAWLXZDRGPL-UHFFFAOYSA-L
Molecular Formula	C34H25N9Na2O7S2

279

Promotions Available

Thermo Scientific Chemicals Reactive Blue 4, dye content min. 35%

CAS: 13324-20-4 Molecular Formula: C23H14Cl2N6O8S2 Molecular Weight (g/mol): 637.42 MDL Number: MFCD00001218 InChI Key: RTLULCVBFCRQKI-UHFFFAOYSA-N Synonym: C.I. 61205; Procion™ Blue MX-R PubChem CID: 25863 IUPAC Name: 1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid SMILES: NC1=C(C=C(NC2=CC=C(C(NC3=NC(Cl)=NC(Cl)=N3)=C2)S(O)(=O)=O)C2=C1C(=O)C1=CC=CC=C1C2=O)S(O)(=O)=O

Pricing & Availability
Specifications

PubChem CID	25863
CAS	13324-20-4
Molecular Weight (g/mol)	637.42
MDL Number	MFCD00001218
SMILES	NC1=C(C=C(NC2=CC=C(C(NC3=NC(Cl)=NC(Cl)=N3)=C2)S(O)(=O)=O)C2=C1C(=O)C1=CC=CC=C1C2=O)S(O)(=O)=O
Synonym	C.I. 61205; Procion™ Blue MX-R
IUPAC Name	1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid
InChI Key	RTLULCVBFCRQKI-UHFFFAOYSA-N
Molecular Formula	C23H14Cl2N6O8S2

280

Promotions Available

Thermo Scientific Chemicals Ninhydrin, ozone friendly ready to use spray for TLC

CAS: 485-47-2 | C9H6O4 | 178.143 g/mol

Pricing & Availability

281

o-Phthalaldehyde 99.0+%, TCI America™

CAS: 643-79-8 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.13 MDL Number: MFCD00003335 InChI Key: ZWLUXSQADUDCSB-UHFFFAOYSA-N Synonym: Phthaldialdehyde, Benzene-1,2-dicarboxaldehyde PubChem CID: 4807 ChEBI: CHEBI:70851 IUPAC Name: benzene-1,2-dicarbaldehyde SMILES: O=CC1=CC=CC=C1C=O

Pricing & Availability
Specifications

PubChem CID	4807
CAS	643-79-8
Molecular Weight (g/mol)	134.13
ChEBI	CHEBI:70851
MDL Number	MFCD00003335
SMILES	O=CC1=CC=CC=C1C=O
Synonym	Phthaldialdehyde, Benzene-1,2-dicarboxaldehyde
IUPAC Name	benzene-1,2-dicarbaldehyde
InChI Key	ZWLUXSQADUDCSB-UHFFFAOYSA-N
Molecular Formula	C8H6O2

282

Thermo Scientific Chemicals Bromophenol Blue sodium salt, ACS

CAS: 34725-61-6 MDL Number: MFCD00013793

Pricing & Availability
Specifications

CAS	34725-61-6
MDL Number	MFCD00013793

283

Epredia™ Shandon™ Rapid-Chrome Papanicolaou Staining Kit

Achieve rapid results of fine needle aspirations or high-risk specimens with the Epredia™ Shandon™ Rapid-Chrome Papanicolaou Staining Kit.

Pricing & Availability

284

Methyl blue, MP Biomedicals™

CAS: 28631-66-5 Molecular Formula: C32H27N3 Molecular Weight (g/mol): 453.59 MDL Number: MFCD00036130 InChI Key: LBLFVSANTXZPEX-UHFFFAOYSA-N Synonym: Acid blue 93,Aniline blue PubChem CID: 131675892 IUPAC Name: 2-methyl-4-{[4-(phenylamino)phenyl][4-(phenylimino)cyclohexa-2,5-dien-1-ylidene]methyl}aniline SMILES: CC1=CC(=CC=C1N)C(C1=CC=C(NC2=CC=CC=C2)C=C1)=C1C=CC(C=C1)=NC1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	131675892
CAS	28631-66-5
Molecular Weight (g/mol)	453.59
MDL Number	MFCD00036130
SMILES	CC1=CC(=CC=C1N)C(C1=CC=C(NC2=CC=CC=C2)C=C1)=C1C=CC(C=C1)=NC1=CC=CC=C1
Synonym	Acid blue 93,Aniline blue
IUPAC Name	2-methyl-4-{[4-(phenylamino)phenyl][4-(phenylimino)cyclohexa-2,5-dien-1-ylidene]methyl}aniline
InChI Key	LBLFVSANTXZPEX-UHFFFAOYSA-N
Molecular Formula	C32H27N3

285

Promotions Available

Thermo Scientific Chemicals Calmagite, indicator grade

CAS: 3147-14-6 Molecular Formula: C17H14N2O5S Molecular Weight (g/mol): 358.368 MDL Number: MFCD00011656 InChI Key: ASFVMSDYPYMUFL-UHFFFAOYSA-N Synonym: 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)-1-naphthalenesulfonic acid PubChem CID: 6364506 IUPAC Name: 4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid SMILES: CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O

Pricing & Availability
Specifications

PubChem CID	6364506
CAS	3147-14-6
Molecular Weight (g/mol)	358.368
MDL Number	MFCD00011656
SMILES	CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O
Synonym	3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)-1-naphthalenesulfonic acid
IUPAC Name	4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid
InChI Key	ASFVMSDYPYMUFL-UHFFFAOYSA-N
Molecular Formula	C17H14N2O5S

Staining Reagents

Filtered Search Results

Narrow Results