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 (9,404)

Tissue Stain Blocking Reagents (82)

Search Within Results

421 – 435 of 7,339 results

421

Thermo Scientific Chemicals Alizarin Red S sodium salt, 1% w/v aq. sol.

CAS: 130-22-3 Molecular Formula: C14H7NaO7S Molecular Weight (g/mol): 342.253 MDL Number: MFCD00013049 InChI Key: HFVAFDPGUJEFBQ-UHFFFAOYSA-M PubChem CID: 3955344 ChEBI: CHEBI:87358 IUPAC Name: sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3955344
CAS	130-22-3
Molecular Weight (g/mol)	342.253
ChEBI	CHEBI:87358
MDL Number	MFCD00013049
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula	C14H7NaO7S

422

Promotions Available

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

Pricing & 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

423

Alcian Blue Solution, For Microscopy, MilliporeSigma™

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.05 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(O)=O

Pricing & Availability
Specifications

PubChem CID	176
CAS	64-19-7
Molecular Weight (g/mol)	60.05
ChEBI	CHEBI:15366
MDL Number	MFCD00036152
SMILES	CC(O)=O
IUPAC Name	acetic acid
InChI Key	QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula	C2H4O2

424

Methyl Orange (0.1% in Water) [for Titration], TCI America™

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 MDL Number: MFCD00007502 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23673835
CAS	547-58-0
Molecular Weight (g/mol)	327.334
MDL Number	MFCD00007502
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula	C14H14N3NaO3S

425

Bromothymol Blue TS, 0.1% (w/v) in 50% (v/v) Alcohol, Ricca Chemical

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): Mixture InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N

Pricing & Availability
Specifications

CAS	76-59-5
Molecular Weight (g/mol)	Mixture
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

426

StatLab™ MasterTech Light Green Counterstain

Used for the staining of collagen fibers and especially for Masson's trichrome staining.

Pricing & Availability
Specifications

Product Type	Light Green

427

StatLab™ EA-65 Cytology Stain

Alcohol-based, for routine cytoplasmic staining.

Pricing & Availability

428

Magneson, TCI America™

CAS: 74-39-5 Molecular Formula: C12H9N3O4 Molecular Weight (g/mol): 259.22 MDL Number: MFCD00007310 InChI Key: BIFFKKLAAIGZBV-UHFFFAOYSA-N Synonym: Azo Violet, 4-(4-Nitrophenylazo)resorcinol PubChem CID: 5717413 IUPAC Name: 3-hydroxy-4-[2-(4-nitrophenyl)hydrazin-1-ylidene]cyclohexa-2,5-dien-1-one SMILES: OC1=CC(=O)C=CC1=NNC1=CC=C(C=C1)[N+]([O-])=O

Pricing & Availability
Specifications

PubChem CID	5717413
CAS	74-39-5
Molecular Weight (g/mol)	259.22
MDL Number	MFCD00007310
SMILES	OC1=CC(=O)C=CC1=NNC1=CC=C(C=C1)[N+]([O-])=O
Synonym	Azo Violet, 4-(4-Nitrophenylazo)resorcinol
IUPAC Name	3-hydroxy-4-[2-(4-nitrophenyl)hydrazin-1-ylidene]cyclohexa-2,5-dien-1-one
InChI Key	BIFFKKLAAIGZBV-UHFFFAOYSA-N
Molecular Formula	C12H9N3O4

429

Sodium Ligninsulfonate, TCI America™

This product is chemically-processing lignin derived from natural sources.

Pricing & Availability
Specifications

Content And Storage	20°C
Color	Deep Reddish Yellow-deep Yellow Red

430

Food Red No. 40, TCI America™

CAS: 25956-17-6 Molecular Formula: C18H14N2Na2O8S2 Molecular Weight (g/mol): 496.42 MDL Number: MFCD00059526 InChI Key: POXPUHKJGLHZEM-VIPPSAFOSA-L PubChem CID: 44386827 IUPAC Name: disodium (5E)-5-[2-(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazin-1-ylidene]-6-oxo-5,6-dihydronaphthalene-2-sulfonate SMILES: [Na+].[Na+].COC1=CC(=C(C)C=C1N\N=C1\C(=O)C=CC2=CC(=CC=C12)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	44386827
CAS	25956-17-6
Molecular Weight (g/mol)	496.42
MDL Number	MFCD00059526
SMILES	[Na+].[Na+].COC1=CC(=C(C)C=C1N\N=C1\C(=O)C=CC2=CC(=CC=C12)S([O-])(=O)=O)S([O-])(=O)=O
IUPAC Name	disodium (5E)-5-[2-(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazin-1-ylidene]-6-oxo-5,6-dihydronaphthalene-2-sulfonate
InChI Key	POXPUHKJGLHZEM-VIPPSAFOSA-L
Molecular Formula	C18H14N2Na2O8S2

431

Promotions Available

Thioflavin T

CAS: 2390-54-7 Molecular Formula: C17H19ClN2S Molecular Weight (g/mol): 318.86 MDL Number: MFCD00011944 InChI Key: JADVWWSKYZXRGX-UHFFFAOYSA-M Synonym: Basic Yellow 1,C.I. 49005 PubChem CID: 16953 ChEBI: CHEBI:76023 IUPAC Name: 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium chloride SMILES: [Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1

Pricing & Availability
Specifications

PubChem CID	16953
CAS	2390-54-7
Molecular Weight (g/mol)	318.86
ChEBI	CHEBI:76023
MDL Number	MFCD00011944
SMILES	[Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1
Synonym	Basic Yellow 1,C.I. 49005
IUPAC Name	2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium chloride
InChI Key	JADVWWSKYZXRGX-UHFFFAOYSA-M
Molecular Formula	C17H19ClN2S

432

Promotions Available

Thermo Scientific Chemicals Stains-all, 97%, pure

CAS: 7423-31-6 Molecular Formula: C30H28BrN2S2+ Molecular Weight (g/mol): 560.592 MDL Number: MFCD00078788 InChI Key: MPBRYMWMMKKRGC-UHFFFAOYSA-N Synonym: 1-Ethyl-2-[3-(1-ethylnaphtho[1, 2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1, 2-d]thiazolium bromide PubChem CID: 123134119 IUPAC Name: (2E)-1-ethyl-2-[(E)-3-(1-ethylbenzo[e][1,3]benzothiazol-1-ium-2-yl)-2-methylprop-2-enylidene]benzo[e][1,3]benzothiazole;hydrobromide SMILES: CCN1C(=CC(=CC2=[N+](C3=C(S2)C=CC4=CC=CC=C43)CC)C)SC5=C1C6=CC=CC=C6C=C5.Br

Pricing & Availability
Specifications

PubChem CID	123134119
CAS	7423-31-6
Molecular Weight (g/mol)	560.592
MDL Number	MFCD00078788
SMILES	CCN1C(=CC(=CC2=[N+](C3=C(S2)C=CC4=CC=CC=C43)CC)C)SC5=C1C6=CC=CC=C6C=C5.Br
Synonym	1-Ethyl-2-[3-(1-ethylnaphtho[1, 2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1, 2-d]thiazolium bromide
IUPAC Name	(2E)-1-ethyl-2-[(E)-3-(1-ethylbenzo[e][1,3]benzothiazol-1-ium-2-yl)-2-methylprop-2-enylidene]benzo[e][1,3]benzothiazole;hydrobromide
InChI Key	MPBRYMWMMKKRGC-UHFFFAOYSA-N
Molecular Formula	C30H28BrN2S2+

433

Giemsa's azur-eosin-methylene blue solution, For Microscopy, MilliporeSigma™

Pricing & Availability
Specifications

Color	Blue
Physical Form	Liquid
Health Hazard 1	H225: Highly flammable liquid and vapour. H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled H370: Causes damage to organs
UN Number	UN 1230
DOT Information	DOT Class: 3 (6.1), Packaging Group: II
Chemical Name or Material	Giemsa's azur-eosin-methylene blue solution
Odor	Smells like methanol