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Industrial · Dyes, pigments & indicators: 41 3D models

Every element as an atom, orbitals and bonding, crystals, ions and complexes, real compounds from every field of chemistry, substances in their natural form, electrochemistry and lab experiments (real sizes atoms → lab bench). Each one is a ready-made 3D model you can turn, recolour and place in a figure — open BioDioRama and type its name in the Library search.

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Cadmium yellow / Vermilion — A dye, pigment or acid–base indicator. These compounds draw alike, so they share one item — choose the compound in the settings: Cadmium yellow (CdS, 144.48 g/mol); Vermilion (HgS, 232.66 g/mol). Structures from PubChem (2D drawings).
Thymolphthalein — A dye, pigment or acid–base indicator. C28H30O4, 430.5 g/mol (IUPAC: 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one). Real 3D structure from PubChem.
Bromocresol green — A dye, pigment or acid–base indicator. C21H14Br4O5S, 698 g/mol. Real 3D structure from PubChem.
Methyl red — A dye, pigment or acid–base indicator. C15H15N3O2, 269.3 g/mol (IUPAC: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid). Real 3D structure from PubChem.
Methyl violet — A dye, pigment or acid–base indicator. C24H28ClN3, 393.9 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Malachite green — A dye, pigment or acid–base indicator. C23H25ClN2, 364.9 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Eriochrome black T — A dye, pigment or acid–base indicator. C20H12N3NaO7S, 461.4 g/mol (IUPAC: sodium 3-hydroxy-4-[(1-hydroxynaphthalen-2-yl)diazenyl]-7-nitronaphthalene-1-sulfonate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Murexide — A dye, pigment or acid–base indicator. C8H8N6O6, 284.19 g/mol (IUPAC: azanium 2,4-dioxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1H-pyrimidin-6-olate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Xylenol orange — A dye, pigment or acid–base indicator. C31H32N2O13S, 672.7 g/mol. Real 3D structure from PubChem.
Indigo — A dye, pigment or acid–base indicator. C16H10N2O2, 262.26 g/mol (IUPAC: 2-(3-hydroxy-1H-indol-2-yl)indol-3-one). Real 3D structure from PubChem.
Indigo carmine — A dye, pigment or acid–base indicator. C16H8N2Na2O8S2, 466.4 g/mol (IUPAC: disodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
6,6'-dibromoindigo — A dye, pigment or acid–base indicator. C16H8Br2N2O2, 420.05 g/mol (IUPAC: 6-bromo-2-(6-bromo-3-hydroxy-1H-indol-2-yl)indol-3-one). Real 3D structure from PubChem.
Aniline yellow — A dye, pigment or acid–base indicator. C12H11N3, 197.24 g/mol (IUPAC: 4-phenyldiazenylaniline). Real 3D structure from PubChem.
Para red — A dye, pigment or acid–base indicator. C16H11N3O3, 293.28 g/mol (IUPAC: 1-[(4-nitrophenyl)diazenyl]naphthalen-2-ol). Real 3D structure from PubChem.
Sudan I — A dye, pigment or acid–base indicator. C16H12N2O, 248.28 g/mol (IUPAC: 1-phenyldiazenylnaphthalen-2-ol). Real 3D structure from PubChem.
Sudan III — A dye, pigment or acid–base indicator. C22H16N4O, 352.4 g/mol (IUPAC: 1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-ol). Real 3D structure from PubChem.
Sudan IV — A dye, pigment or acid–base indicator. C24H20N4O, 380.4 g/mol (IUPAC: 1-[[2-methyl-4-[(2-methylphenyl)diazenyl]phenyl]diazenyl]naphthalen-2-ol). Real 3D structure from PubChem.
Tartrazine — A dye, pigment or acid–base indicator. C16H9N4Na3O9S2, 534.4 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Sunset yellow FCF — A dye, pigment or acid–base indicator. C16H10N2Na2O7S2, 452.4 g/mol (IUPAC: disodium;6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Allura red AC — A dye, pigment or acid–base indicator. C18H14N2Na2O8S2, 496.4 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Erythrosine — A dye, pigment or acid–base indicator. C20H8I4O5, 835.9 g/mol (IUPAC: 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one). Real 3D structure from PubChem.
Brilliant blue FCF — A dye, pigment or acid–base indicator. C37H34N2Na2O9S3, 792.9 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Quinoline yellow — A dye, pigment or acid–base indicator. C18H11NO2, 273.3 g/mol (IUPAC: 2-quinolin-2-ylindene-1,3-dione). Real 3D structure from PubChem.
Quinacridone — A dye, pigment or acid–base indicator. C20H12N2O2, 312.3 g/mol (IUPAC: 5,12-dihydroquinolino[2,3-b]acridine-7,14-dione). Real 3D structure from PubChem.
Thymol blue — A dye, pigment or acid–base indicator. C27H30O5S, 466.6 g/mol. Real 3D structure from PubChem.
Cresol red — A dye, pigment or acid–base indicator. C21H18O5S, 382.4 g/mol (IUPAC: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-2-methylphenol). Real 3D structure from PubChem.
Bromocresol purple — A dye, pigment or acid–base indicator. C21H16Br2O5S, 540.2 g/mol. Real 3D structure from PubChem.
Auramine O — A dye, pigment or acid–base indicator. C17H22ClN3, 303.8 g/mol (IUPAC: 4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline;hydrochloride). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Coumarin 6 — A dye, pigment or acid–base indicator. C20H18N2O2S, 350.4 g/mol (IUPAC: 3-(1,3-benzothiazol-2-yl)-7-(diethylamino)chromen-2-one). Real 3D structure from PubChem.
Nile blue — A dye, pigment or acid–base indicator. C20H20ClN3O, 353.8 g/mol (IUPAC: (5-aminobenzo[a]phenoxazin-9-ylidene)-diethylazanium chloride). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Methyl orange — A dye, pigment or acid–base indicator. C14H14N3NaO3S, 327.34 g/mol (IUPAC: sodium 4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Orange II — A dye, pigment or acid–base indicator. C16H11N2NaO4S, 350.3 g/mol (IUPAC: sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Acid red 88 — A dye, pigment or acid–base indicator. C20H13N2NaO4S, 400.4 g/mol (IUPAC: sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Crocein orange G — A dye, pigment or acid–base indicator. C16H11N2NaO4S, 350.3 g/mol (IUPAC: sodium 6-hydroxy-5-phenyldiazenylnaphthalene-2-sulfonate). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Bismarck brown Y — A dye, pigment or acid–base indicator. C18H18N8, 346.4 g/mol (IUPAC: 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine). Real 3D structure from PubChem.
Azure B — A dye, pigment or acid–base indicator. C15H16ClN3S, 305.8 g/mol (IUPAC: dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium chloride). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Janus green B — A dye, pigment or acid–base indicator. C30H31ClN6, 511.1 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Evans blue — A dye, pigment or acid–base indicator. C34H24N6Na4O14S4, 960.8 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Prussian blue — A dye, pigment or acid–base indicator. C18Fe7N18, 859.2 g/mol (IUPAC: tris(iron(2+));tetrakis(iron(3+));octadecacyanide). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Ultramarine blue — A dye, pigment or acid–base indicator. Al6Na8O24S3Si6, 994.5 g/mol. Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.
Chrome yellow — A dye, pigment or acid–base indicator. CrO4Pb, 323 g/mol (IUPAC: dioxido(dioxo)chromium;lead(2+)). Structure (PubChem has no 3D model, so its 2D drawing is shown) from PubChem.