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.

646 – 660 of 6,456 results

646

Bromophenol Blue, pure, 0.1% in water

CAS: 115-39-9 | C19H10Br4O5S | 669.96 g/mol

Pricing & Availability
Specifications

Molecular Weight (g/mol)	669.96
ChEBI	CHEBI:59424
Chemical Name or Material	Bromophenol Blue
Grade	Pure
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br
Concentration	about 0.1% (by UV)
InChI Key	UDSAIICHUKSCKT-UHFFFAOYSA-N
Density	1.0000g/mL
PubChem CID	8272
CAS	7732-18-5
Packaging	Glass bottle
Synonym	3',3'',5',5''-Tetrabromophenolsulfonephthalein,BPB,3', 3'', 5'
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1,lambda{6}-benzoxathiol-3-yl]phenol
Molecular Formula	C19H10Br4O5S
Formula Weight	669.96
Specific Gravity	1

647

Thermo Scientific Chemicals Chlorazol Black E, pure

CAS: 1937-37-7 Molecular Formula: C34H25N9Na2O7S2 Molecular Weight (g/mol): 781.73 MDL Number: MFCD00066363 InChI Key: OLVNAWLXZDRGPL-UHFFFAOYSA-L 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+]
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

648

Ethyl Violet, 80%, Thermo Scientific™

CAS: 2390-59-2 Molecular Formula: C31H42ClN3 Molecular Weight (g/mol): 492.15 MDL Number: MFCD00011765 InChI Key: JVICFMRAVNKDOE-UHFFFAOYSA-M Synonym: Basic Violet 4,C.I. 42600 PubChem CID: 16955 IUPAC Name: [4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC

Pricing & Availability
Specifications

PubChem CID	16955
CAS	2390-59-2
Molecular Weight (g/mol)	492.15
MDL Number	MFCD00011765
SMILES	[Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC
Synonym	Basic Violet 4,C.I. 42600
IUPAC Name	[4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;chloride
InChI Key	JVICFMRAVNKDOE-UHFFFAOYSA-M
Molecular Formula	C31H42ClN3

649

Carminic acid, 70-90%

CAS: 1260-17-9 Molecular Formula: C22H20O13 Molecular Weight (g/mol): 492.39 MDL Number: MFCD00167028 InChI Key: DGQLVPJVXFOQEV-NGOCYOHBSA-N Synonym: C.I. 75470,Natural Red 4 PubChem CID: 10255083 ChEBI: CHEBI:78310 IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid SMILES: CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C([C@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)=C(O)C(O)=C1C2=O

Pricing & Availability
Specifications

PubChem CID	10255083
CAS	1260-17-9
Molecular Weight (g/mol)	492.39
ChEBI	CHEBI:78310
MDL Number	MFCD00167028
SMILES	CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C([C@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)=C(O)C(O)=C1C2=O
Synonym	C.I. 75470,Natural Red 4
IUPAC Name	3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid
InChI Key	DGQLVPJVXFOQEV-NGOCYOHBSA-N
Molecular Formula	C22H20O13

650

Thermo Scientific Chemicals IR-125, pure, laser grade

CAS: 3599-32-4 Molecular Formula: C43H47N2NaO6S2 Molecular Weight (g/mol): 774.967 MDL Number: MFCD00013078 InChI Key: MOFVSTNWEDAEEK-UHFFFAOYSA-M Synonym: Indocyanine Green PubChem CID: 132274068 ChEBI: CHEBI:31696 IUPAC Name: sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate SMILES: CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]

Pricing & Availability
Specifications

PubChem CID	132274068
CAS	3599-32-4
Molecular Weight (g/mol)	774.967
ChEBI	CHEBI:31696
MDL Number	MFCD00013078
SMILES	CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]
Synonym	Indocyanine Green
IUPAC Name	sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate
InChI Key	MOFVSTNWEDAEEK-UHFFFAOYSA-M
Molecular Formula	C43H47N2NaO6S2

651

Thermo Scientific Chemicals Nigrosine, pure, water soluble

CAS: 80316-29-6 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.49 MDL Number: MFCD00044681 InChI Key: HKBVRFLHNUEVRO-HMDKGIQMSA-L Synonym: Acid Black 2,C.I. 50420 PubChem CID: 44134531 IUPAC Name: disodium;4-amino-3-[(4-nitrophenyl)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)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	44134531
CAS	80316-29-6
Molecular Weight (g/mol)	616.49
MDL Number	MFCD00044681
SMILES	C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Acid Black 2,C.I. 50420
IUPAC Name	disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	HKBVRFLHNUEVRO-HMDKGIQMSA-L
Molecular Formula	C22H14N6Na2O9S2

652

Thermo Scientific Chemicals Phenol Red sodium salt, ACS reagent

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 MDL Number: MFCD00066901 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	376.358
MDL Number	MFCD00066901
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

653

Thermo Scientific Chemicals Rhodamine 101 inner salt, 94%, pure

CAS: 116450-56-7 Molecular Formula: C32H30N2O3 Molecular Weight (g/mol): 490.603 MDL Number: MFCD00051383 InChI Key: MUSLHCJRTRQOSP-UHFFFAOYSA-N PubChem CID: 2735129 ChEBI: CHEBI:52314 SMILES: C1CC2=C3C(=C4C(=C2)C(=C5C=C6CCC[N+]7=C6C(=C5O4)CCC7)C8=CC=CC=C8C(=O)[O-])CCCN3C1

Pricing & Availability
Specifications

PubChem CID	2735129
CAS	116450-56-7
Molecular Weight (g/mol)	490.603
ChEBI	CHEBI:52314
MDL Number	MFCD00051383
SMILES	C1CC2=C3C(=C4C(=C2)C(=C5C=C6CCC[N+]7=C6C(=C5O4)CCC7)C8=CC=CC=C8C(=O)[O-])CCCN3C1
InChI Key	MUSLHCJRTRQOSP-UHFFFAOYSA-N
Molecular Formula	C32H30N2O3

654

Bromothymol Blue, Reagent, ACS, Spectrum™ Chemical

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.38 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N IUPAC Name: 3,3-bis[3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: CC(C)C1=CC(=C(C)C(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C(C)C)=C(O)C(Br)=C1C

Pricing & Availability
Specifications

CAS	76-59-5
Molecular Weight (g/mol)	624.38
SMILES	CC(C)C1=CC(=C(C)C(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C(C)C)=C(O)C(Br)=C1C
IUPAC Name	3,3-bis[3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

655

Hydroxy Naphthol Blue Disodium Salt, Reagent, ACS,, Spectrum™ Chemical

CAS: 165660-27-5 Molecular Formula: C20H14N2Na2O11S3 Molecular Weight (g/mol): 600.49 InChI Key: LXJHFXHZWYBBKJ-UHFFFAOYSA-N IUPAC Name: 3-hydroxy-4-[2-(2-oxo-4-sulfo-1,2-dihydronaphthalen-1-ylidene)hydrazin-1-yl]naphthalene-2,7-disulfonic acid disodium SMILES: [Na].[Na].OC1=C(NN=C2C(=O)C=C(C3=CC=CC=C23)S(O)(=O)=O)C2=CC=C(C=C2C=C1S(O)(=O)=O)S(O)(=O)=O

Pricing & Availability
Specifications

CAS	165660-27-5
Molecular Weight (g/mol)	600.49
SMILES	[Na].[Na].OC1=C(NN=C2C(=O)C=C(C3=CC=CC=C23)S(O)(=O)=O)C2=CC=C(C=C2C=C1S(O)(=O)=O)S(O)(=O)=O
IUPAC Name	3-hydroxy-4-[2-(2-oxo-4-sulfo-1,2-dihydronaphthalen-1-ylidene)hydrazin-1-yl]naphthalene-2,7-disulfonic acid disodium
InChI Key	LXJHFXHZWYBBKJ-UHFFFAOYSA-N
Molecular Formula	C20H14N2Na2O11S3

656

Methyl Orange, 0.1% (w/v) Aqueous Indicator Solution, (U.S.P. Test Solution), Spectrum™ Chemical

CAS: 7732-18-5 Molecular Formula: C14H14N3O3S Molecular Weight (g/mol): 304.34 InChI Key: IETWCRRCPURZOC-UHFFFAOYSA-M IUPAC Name: 4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	304.34
SMILES	CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O
IUPAC Name	4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate
InChI Key	IETWCRRCPURZOC-UHFFFAOYSA-M
Molecular Formula	C14H14N3O3S

657

Methyl Orange, Reagent, ACS, Spectrum™ Chemical

CAS: 547-58-0 Molecular Formula: C14H14N3O3S Molecular Weight (g/mol): 304.34 InChI Key: IETWCRRCPURZOC-UHFFFAOYSA-M IUPAC Name: 4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	547-58-0
Molecular Weight (g/mol)	304.34
SMILES	CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O
IUPAC Name	4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate
InChI Key	IETWCRRCPURZOC-UHFFFAOYSA-M
Molecular Formula	C14H14N3O3S

658

Neutral Red, Spectrum™ Chemical

CAS: 553-24-2

Pricing & Availability
Specifications

CAS	553-24-2

659

Orange II, Spectrum™ Chemical

CAS: 633-96-5

Pricing & Availability
Specifications

CAS	633-96-5

660

Phenolphthalein, 1% (w/v) Indicator Solution in 95% Isopropyl Alcohol, Spectrum™ Chemical

Pricing & Availability
Specifications

CAS	7732-18-5
Color	Colorless
Packaging	Poly Bottle
Chemical Name or Material	Phenolphthalein
Grade	Chemical Solution
Concentration	1 Percent (w/v) Indicator Solution in 95 Percent Isopropyl Alcohol

Stains and Dyes

Filtered Search Results

Narrow Results

Bromothymol Blue, Reagent, ACS, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Hydroxy Naphthol Blue Disodium Salt, Reagent, ACS,, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Methyl Orange, 0.1% (w/v) Aqueous Indicator Solution, (U.S.P. Test Solution), Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Methyl Orange, Reagent, ACS, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Neutral Red, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Orange II, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phenolphthalein, 1% (w/v) Indicator Solution in 95% Isopropyl Alcohol, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More