Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

601 – 615 of 6,457 results

601

Thermo Scientific Chemicals Eosin B, pure, high purity, biological stain

CAS: 548-24-3 Molecular Formula: C₂₀H₆Br₂N₂Na₂O₉ Molecular Weight (g/mol): 624.06 MDL Number: MFCD00005041 Synonym: 4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt,4', 5'-Dibromo-2', 7'-dinitrofluorescein,Eosin Bluish

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Specifications

CAS	548-24-3
Molecular Weight (g/mol)	624.06
MDL Number	MFCD00005041
Synonym	4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt,4', 5'-Dibromo-2', 7'-dinitrofluorescein,Eosin Bluish
Molecular Formula	C₂₀H₆Br₂N₂Na₂O₉

602

Thermo Scientific Chemicals Nile Blue A, pure, certified

CAS: 3625-57-8 Molecular Formula: C40H40N6O6S Molecular Weight (g/mol): 732.84 MDL Number: MFCD00064529 InChI Key: QIRDPEPUXNCOLD-UHFFFAOYSA-N Synonym: Nile blue sulfate,C.I. 51180 PubChem CID: 19256 IUPAC Name: [9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium;sulfate SMILES: CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.[O-]S(=O)(=O)[O-]

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Specifications

PubChem CID	19256
CAS	3625-57-8
Molecular Weight (g/mol)	732.84
MDL Number	MFCD00064529
SMILES	CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.[O-]S(=O)(=O)[O-]
Synonym	Nile blue sulfate,C.I. 51180
IUPAC Name	[9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium;sulfate
InChI Key	QIRDPEPUXNCOLD-UHFFFAOYSA-N
Molecular Formula	C40H40N6O6S

603

Thermo Scientific Chemicals Phenolphthalein disulfate, tripotassium salt trihydrate, 98%, pure

CAS: 1080664-81-8 Molecular Formula: C20H13K3O11S2 Molecular Weight (g/mol): 610.73 MDL Number: MFCD00150194 InChI Key: PLHSVCWOEHYSHO-UHFFFAOYSA-K PubChem CID: 129893851 SMILES: [K+].[K+].[K+].OC(C1=CC=C(OS([O-])(=O)=O)C=C1)(C1=CC=C(OS([O-])(=O)=O)C=C1)C1=CC=CC=C1C([O-])=O

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Specifications

PubChem CID	129893851
CAS	1080664-81-8
Molecular Weight (g/mol)	610.73
MDL Number	MFCD00150194
SMILES	[K+].[K+].[K+].OC(C1=CC=C(OS([O-])(=O)=O)C=C1)(C1=CC=C(OS([O-])(=O)=O)C=C1)C1=CC=CC=C1C([O-])=O
InChI Key	PLHSVCWOEHYSHO-UHFFFAOYSA-K
Molecular Formula	C20H13K3O11S2

604

4-Phenylazophenol, 97%

CAS: 1689-82-3 Molecular Formula: C12H10N2O Molecular Weight (g/mol): 198.23 MDL Number: MFCD00002330 InChI Key: JTSBGMZPPPULTA-UHFFFAOYSA-N Synonym: C.I. 11800,4-Hydroxyazobenzene,Solvent Yellow 7 PubChem CID: 5354198 IUPAC Name: 4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one SMILES: O=C1C=CC(C=C1)=NNC1=CC=CC=C1

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Specifications

PubChem CID	5354198
CAS	1689-82-3
Molecular Weight (g/mol)	198.23
MDL Number	MFCD00002330
SMILES	O=C1C=CC(C=C1)=NNC1=CC=CC=C1
Synonym	C.I. 11800,4-Hydroxyazobenzene,Solvent Yellow 7
IUPAC Name	4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one
InChI Key	JTSBGMZPPPULTA-UHFFFAOYSA-N
Molecular Formula	C12H10N2O

605

Thermo Scientific Chemicals Rhodamine 6G perchlorate, 99%, pure, laser grade

CAS: 13161-28-9 Molecular Formula: C28H31ClN2O7 Molecular Weight (g/mol): 543.013 MDL Number: MFCD00013117 InChI Key: HDAFVOZRAUFNQH-UHFFFAOYSA-N PubChem CID: 13651880 IUPAC Name: ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;perchloric acid SMILES: CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.OCl(=O)(=O)=O

Pricing & Availability
Specifications

PubChem CID	13651880
CAS	13161-28-9
Molecular Weight (g/mol)	543.013
MDL Number	MFCD00013117
SMILES	CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.OCl(=O)(=O)=O
IUPAC Name	ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;perchloric acid
InChI Key	HDAFVOZRAUFNQH-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O7

606

Molecular Weight (g/mol)	509.43
Color	Purple to Red
Loss on Drying	≤10 %
Physical Form	Powder
Certificate of Analysis	Available
Chemical Name or Material	Acid Red 1
Absorbance	≥250 lambda 503 - 509 nm, 0.02 g/l water; >250 lambda 530 - 534 nm, 0.02 g/l water
CAS	3734-67-6
Infrared Spectrum	Conforms
MDL Number	00003954
Packaging	Glass bottle
Solubility Information	Soluble in water
Synonym	5-Acetamido-4-hydroxy-3-phenylazo-2,7-naphthalene-disulfonicacid, disodium salt; Amido Naphthol Red G; Azophloxine; C.I. 18050
RTECS Number	QJ6030000
Recommended Storage	Normal conditions
Shelf Life	5 years
Molecular Formula	C18 H13 N3 Na2 O8 S2
EINECS Number	223-098-9

607

Thermo Scientific Chemicals Chlorophenol Red, sodium salt, pure, water soluble

CAS: 123333-64-2 Molecular Formula: C19H11Cl2O5S Molecular Weight (g/mol): 422.25 MDL Number: MFCD00151199 InChI Key: QXTPRQZMDKBTAI-UNOMPAQXSA-M Synonym: 3', 3''-Dichlorophenolsulfonephthalein, sodium salt PubChem CID: 131846007 SMILES: OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O

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Specifications

PubChem CID	131846007
CAS	123333-64-2
Molecular Weight (g/mol)	422.25
MDL Number	MFCD00151199
SMILES	OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O
Synonym	3', 3''-Dichlorophenolsulfonephthalein, sodium salt
InChI Key	QXTPRQZMDKBTAI-UNOMPAQXSA-M
Molecular Formula	C19H11Cl2O5S

608

Thermo Scientific Chemicals Erythrosin B, pure, high purity, biological stain

CAS: 16423-68-0 Molecular Formula: C20H6I4Na2O5 Molecular Weight (g/mol): 879.86 MDL Number: MFCD00144257 InChI Key: IINNWAYUJNWZRM-UHFFFAOYSA-L Synonym: Acid Red 51,C.I. 45430 PubChem CID: 12961638 IUPAC Name: disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12

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Specifications

PubChem CID	12961638
CAS	16423-68-0
Molecular Weight (g/mol)	879.86
MDL Number	MFCD00144257
SMILES	[Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12
Synonym	Acid Red 51,C.I. 45430
IUPAC Name	disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	IINNWAYUJNWZRM-UHFFFAOYSA-L
Molecular Formula	C20H6I4Na2O5

609

Thermo Scientific Chemicals Tropaeolin O, pure

CAS: 547-57-9 Molecular Formula: C12H10N2NaO5S Molecular Weight (g/mol): 317.271 MDL Number: MFCD00007499 InChI Key: YOGUPPQYRWYKGT-IRIIKGHASA-N Synonym: Acid orange 6,C.I. 14270,4-(2, 4-Dihydroxyphenylazo)benzenesulfonic acid, sodium salt PubChem CID: 87071197 IUPAC Name: 4-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid;sodium SMILES: C1=CC(=CC=C1NN=C2C=CC(=O)C=C2O)S(=O)(=O)O.[Na]

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Specifications

PubChem CID	87071197
CAS	547-57-9
Molecular Weight (g/mol)	317.271
MDL Number	MFCD00007499
SMILES	C1=CC(=CC=C1NN=C2C=CC(=O)C=C2O)S(=O)(=O)O.[Na]
Synonym	Acid orange 6,C.I. 14270,4-(2, 4-Dihydroxyphenylazo)benzenesulfonic acid, sodium salt
IUPAC Name	4-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid;sodium
InChI Key	YOGUPPQYRWYKGT-IRIIKGHASA-N
Molecular Formula	C12H10N2NaO5S

610

Sudan orange G, pure

CAS: 2051-85-6 Molecular Formula: C12H10N2O2 Molecular Weight (g/mol): 214.22 MDL Number: MFCD00002275 InChI Key: PULNESMFDLBKAZ-SDNWHVSQSA-N Synonym: C.I. 11920,4-(Phenylazo)resorcinol,Solvent orange 1 PubChem CID: 5921655 IUPAC Name: (4Z)-3-hydroxy-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one SMILES: OC1=CC(=O)C=C\C1=N/NC1=CC=CC=C1

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Specifications

PubChem CID	5921655
CAS	2051-85-6
Molecular Weight (g/mol)	214.22
MDL Number	MFCD00002275
SMILES	OC1=CC(=O)C=C\C1=N/NC1=CC=CC=C1
Synonym	C.I. 11920,4-(Phenylazo)resorcinol,Solvent orange 1
IUPAC Name	(4Z)-3-hydroxy-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one
InChI Key	PULNESMFDLBKAZ-SDNWHVSQSA-N
Molecular Formula	C12H10N2O2

611

Thermo Scientific Chemicals Sudan Red 7B

CAS: 6368-72-5 Molecular Formula: C24H21N5 Molecular Weight (g/mol): 379.467 MDL Number: MFCD00003904 InChI Key: VKWNTWQXVLKCSG-UHFFFAOYSA-N Synonym: C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19 PubChem CID: 61396 IUPAC Name: N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine SMILES: CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4

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Specifications

PubChem CID	61396
CAS	6368-72-5
Molecular Weight (g/mol)	379.467
MDL Number	MFCD00003904
SMILES	CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4
Synonym	C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19
IUPAC Name	N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine
InChI Key	VKWNTWQXVLKCSG-UHFFFAOYSA-N
Molecular Formula	C24H21N5

612

Thermo Scientific Chemicals New Methylene Blue N, zinc chloride double salt, pure

Molecular Formula: ₀·5 ZnCl₂ MDL Number: MFCD00078135 Synonym: Basic Blue 24,C.I. 52030

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Specifications

MDL Number	MFCD00078135
Synonym	Basic Blue 24,C.I. 52030
Molecular Formula	₀·5 ZnCl₂

613

Thermo Scientific Chemicals Chromotrope 2B

CAS: 548-80-1 Molecular Formula: C16H9N3Na2O10S2 Molecular Weight (g/mol): 513.36 MDL Number: MFCD00003951 InChI Key: MQHFURHHKNKIRN-GVLVODDDSA-L Synonym: Acid Red 176; C.I. 16575 PubChem CID: 44135472 SMILES: [Na+].[Na+].OC1=CC(=CC2=C1C(=O)\C(=N/NC1=CC=C(C=C1)[N+]([O-])=O)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O

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Specifications

PubChem CID	44135472
CAS	548-80-1
Molecular Weight (g/mol)	513.36
MDL Number	MFCD00003951
SMILES	[Na+].[Na+].OC1=CC(=CC2=C1C(=O)\C(=N/NC1=CC=C(C=C1)[N+]([O-])=O)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Acid Red 176; C.I. 16575
InChI Key	MQHFURHHKNKIRN-GVLVODDDSA-L
Molecular Formula	C16H9N3Na2O10S2

614

Thermo Scientific Chemicals Para Red, pure

Molecular Formula: C₁₆H₁₁N₃O₃ MDL Number: MFCD00003908 Synonym: 1-(4-Nitrophenylazo)-2-naphthol

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Specifications

MDL Number	MFCD00003908
Synonym	1-(4-Nitrophenylazo)-2-naphthol
Molecular Formula	C₁₆H₁₁N₃O₃

615

Thermo Scientific Chemicals Bromophenol Red, pure

CAS: 2800-80-8 Molecular Formula: C19H12Br2O5S Molecular Weight (g/mol): 512.168 MDL Number: MFCD00023014 InChI Key: OYCLSQDXZMROJK-UHFFFAOYSA-N Synonym: 5', 5''-Dibromophenolsulfonphthalein PubChem CID: 76047 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Br)C4=CC(=C(C=C4)O)Br

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Specifications

PubChem CID	76047
CAS	2800-80-8
Molecular Weight (g/mol)	512.168
MDL Number	MFCD00023014
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Br)C4=CC(=C(C=C4)O)Br
Synonym	5', 5''-Dibromophenolsulfonphthalein
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	OYCLSQDXZMROJK-UHFFFAOYSA-N
Molecular Formula	C19H12Br2O5S

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