Find stains and dyes for visualization, detection, and assay readouts across biology and analytical workflows. Use this page to compare labeling and colorimetric reagents for routine lab applications.
Stains & Dyes
Browse by type, application, or key specifications such as purity, grade, packaging, and handling requirements.
3,442 products
Popular Products
- Nickel(II) phthalocyanineCAS: 14055-02-8 Formula: C32H16N8Ni Molecular Weight: 571.22Dye content 85 %In Stock Item #: N302825View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- Nickel phthalocyanine
- Zinquin ethyl esterIn Stock Item #: Z274867View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- ethyl 2-[2-methyl-8-[(4-methylphenyl)sulfonylamino]quinolin-6-yl]oxyacetate
- SMILES
- CCOC(=O)COC1=CC(=C2C(=C1)C=CC(=N2)C)NS(=O)(=O)C3=CC=C(C=C3)C
- InChIKey
- KCASTCXJTDRDFT-UHFFFAOYSA-N
- InChI
- 1S/C21H22N2O5S/c1-4-27-20(24)13-28-17-11-16-8-7-15(3)22-21(16)19(12-17)23-29(25,26)18-9-5-14(2)6-10-18/h5-12,23H,4,13H2,1-3H3
- Synonyms
- Ethyl 2-[2-methyl-8-[(4-methylphenyl)sulfonylamino]quinolin-6-yl]oxyacetate | Zinquinethylester | FT-0675912 | AKOS02...
- Leucomalachite GreenIn Stock Item #: L102032View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline
- SMILES
- CN(C)C1=CC=C(C=C1)C(C2=CC=CC=C2)C3=CC=C(C=C3)N(C)C
- InChIKey
- WZKXBGJNNCGHIC-UHFFFAOYSA-N
- InChI
- 1S/C23H26N2/c1-24(2)21-14-10-19(11-15-21)23(18-8-6-5-7-9-18)20-12-16-22(17-13-20)25(3)4/h5-17,23H,1-4H3
- Synonyms
- LeucoMalachiteGreen | Malachite green leuco base | Malachite green leuco | Leucomalachite green | 4,4'-Bis(dimethylam...
- PDT disulfonateIn Stock Item #: P113310View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- sodium;4-[3-pyridin-2-yl-6-(4-sulfophenyl)-1,2,4-triazin-5-yl]benzenesulfonate
- SMILES
- C1=CC=NC(=C1)C2=NC(=C(N=N2)C3=CC=C(C=C3)S(=O)(=O)O)C4=CC=C(C=C4)S(=O)(=O)[O-].[Na+]
- InChIKey
- ZGVNYCXXBQPDPQ-UHFFFAOYSA-M
- InChI
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- Synonyms
- 3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4',4''-disulfonic acid sodium salt, BioXtra | Ferrozine sodium | PD130670 |...
- Crystal Violet Nonahydrate [Ion association reagent for spectrophotometric analysis]CAS: 60662-33-1 Formula: C25H30ClN3·9H2O Molecular Weight: 407.99Out of Stock Item #: C153303View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride;nonahydrate
- SMILES
- CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.O.O.O.O.O.O.O.O.O.[Cl-]
- InChIKey
- QCYZZDDACAOKCV-UHFFFAOYSA-M
- InChI
- show more
- Synonyms
- N-(4-(Bis(4-(dimethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminiumchloridenonahydrate | ...
- IsoviolanthroneCAS: 128-64-3 Formula: C34H16O2 Molecular Weight: 456.5In Stock Item #: I340873View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- C1=CC=C2C(=C1)C3=C4C(=CC=C5C4=C(C=C3)C6=CC=C7C8=C(C=CC5=C68)C9=CC=CC=C9C7=O)C2=O
- InChIKey
- BSIHWSXXPBAGTC-UHFFFAOYSA-N
- InChI
- 1S/C34H16O2/c35-33-25-7-3-1-5-17(25)19-9-11-21-24-14-16-28-32-20(18-6-2-4-8-26(18)34(28)36)10-12-22(30(24)32)23-13-15-27(33)31(19)29(21)23/h1-16H
- Synonyms
- Dinaphtho(1,2,3-cd:1',2',3'-lm)perylene-9,18-dione | Isodibenzanthrone | Romantrene Brilliant Violet 4R | Romantrene ...
- Sulforhodamine B acid chloride [Rhodamine B sulfonyl chloride], [known as Lissamine™ Rhodamine B Sulfonyl Chloride, TM of PerkinElmer]for Fluorescence analysis ? Fluorescence-analysis grade — very low fluorescent impurities for clean spectra. Use in fluorescence assays where background interferes.Out of Stock Item #: S131272View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 5-chlorosulfonyl-2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]benzenesulfonate
- SMILES
- CCN(CC)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](CC)CC)C=C3O2)C4=C(C=C(C=C4)S(=O)(=O)Cl)S(=O)(=O)[O-]
- InChIKey
- YERWMQJEYUIJBO-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- HY-D0966 | Xanthylium, 9-(4-(chlorosulfonyl)-2-sulfophenyl)-3,6-bis(diethylamino)-, hydroxide, inner salt | SCHEMBL83...
- N,O-Didansyl-L-tyrosine cyclohexylammonium saltOut of Stock Item #: N334716View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- cyclohexanamine;(2S)-2-[[5-(dimethylamino)naphthalen-1-yl]sulfonylamino]-3-[4-[5-(dimethylamino)naphthalen-1-yl]sulfonyloxyphenyl]propanoic acid
- SMILES
- CN(C)C1=CC=CC2=C1C=CC=C2S(=O)(=O)NC(CC3=CC=C(C=C3)OS(=O)(=O)C4=CC=CC5=C4C=CC=C5N(C)C)C(=O)O.C1CCC(CC1)N
- InChIKey
- MVXVRKZUVTWXRD-JCOPYZAKSA-N
- InChI
- show more
- Synonyms
- cyclohexanamine;(2S)-2-[[5-(dimethylamino)naphthalen-1-yl]sulfonylamino]-3-[4-[5-(dimethylamino)naphthalen-1-yl]sulfo...
- N-(L-Leucyl)-2-aminoacridoneCAS: 124689-91-4 Formula: C19H21N3O2Out of Stock Item #: N293194View ProductPricing & Pack Sizes
Technical Identifiers
- Fluorescent NIR 885Out of Stock Item #: F336303View ProductPricing & Pack Sizes
Technical Identifiers
- SMILES
- CC[N+](=C1C=CC2=CC3=C(/C(=C/C4=C5C(=CC6=C(O5)C7=CC=CC=C7OC6)CCC4)/CCC3)OC2=C1)CC.[O-]Cl(=O)(=O)=O
- Synonyms
- diethyl-[(5E)-5-(6,8,9,10-tetrahydrochromeno[4,3-b]chromen-11-ylmethylidene)-7,8-dihydro-6H-xanthen-3-ylidene]azanium...
- MitoScene™ Green ISolidIn Stock Item #: M288856View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[(E)-3-[5,6-dichloro-1,3-bis[[4-(chloromethyl)phenyl]methyl]benzimidazol-2-ylidene]prop-1-enyl]-3-methyl-1,3-benzoxazol-3-ium;chloride
- SMILES
- C[N+]1=C(OC2=CC=CC=C21)C=CC=C3N(C4=CC(=C(C=C4N3CC5=CC=C(C=C5)CCl)Cl)Cl)CC6=CC=C(C=C6)CCl.[Cl-]
- InChIKey
- RUVJFMSQTCEAAB-UHFFFAOYSA-M
- InChI
- show more
- Synonyms
- HY-135056 | AKOS040753072 | mitoTracker Green FM | Baclight(tm)green bacterial stain | 2-(3-(5,6-Dichloro-1,3-bis(4-(...
- L 012 sodium saltCAS: 143556-24-5 Formula: C13H8CIN4NaO2 Molecular Weight: 310.67Solid ≥98%(HPLC)In Stock Item #: L287250View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- sodium;8-amino-5-chloro-4-oxo-7-phenyl-3H-pyrido[3,4-d]pyridazin-1-olate
- SMILES
- C1=CC=C(C=C1)C2=C(C3=C(C(=O)NN=C3[O-])C(=N2)Cl)N.[Na+]
- InChIKey
- IGEUYSJHQQCEFP-UHFFFAOYSA-M
- InChI
- 1S/C13H9ClN4O2.Na/c14-11-8-7(12(19)17-18-13(8)20)9(15)10(16-11)6-4-2-1-3-5-6;/h1-5H,15H2,(H,17,19)(H,18,20);/q;+1/p-1
- Synonyms
- sodium 8-amino-5-chloro-4-oxo-7-phenyl-3,4-dihydropyrido[3,4-d]pyridazin-1-olate | L012 sodium | sodium;8-amino-5-chl...
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Technical Details Quality & specification info on every product page
Pack Size Options Multiple packaging sizes with pricing access from listing
R&D Use Only Products supplied for research and development use
Frequently Asked Questions
How do I choose the right Stains & Dyes for my work?
Match product specifications to your application requirements. Compare purity, packaging, availability, and certificate of analysis data. Consider scale, downstream processing, and quality requirements.
What specifications matter most for Stains & Dyes?
Purity, packaging, lot-specific certificate of analysis, storage requirements, and shelf life. Match grade to application — research-grade tolerates lower specs than process or analytical work.
How are Stains & Dyes packaged and stored?
Standard packaging includes appropriate light, moisture, and temperature protection. Storage requirements vary by product — check specific documentation for each item.
Are bulk and custom quantities available?
Yes. Many products are stocked from research scale (gram) through process scale (kilogram). Custom quantities, specialized packaging, and supply agreements are available on request.





![Crystal Violet Nonahydrate [Ion association reagent for spectrophotometric analysis]](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/C/1/C153303.png)

![Sulforhodamine B acid chloride [Rhodamine B sulfonyl chloride], [known as Lissamine™ Rhodamine B Sulfonyl Chloride, TM of PerkinElmer]](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/S/1/S131272.png)



