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.

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1,141 – 1,155 of 7,117 results

1,141

Thymolphthalein, MilliporeSigma™ Supelco™

MDL Number: MFCD00005909 Synonym: 5 ′,5 ′′-Diisopropyl-2 ′,2 ′′-dimethylphenolphthalein

Pricing & Availability
Specifications

MDL Number	MFCD00005909
Synonym	5 ′,5 ′′-Diisopropyl-2 ′,2 ′′-dimethylphenolphthalein

1,142

Thymolphthalein ACS reagent, indicator (pH 8.8-10.5), MilliporeSigma™ Supelco™

MDL Number: MFCD00005909 Synonym: 5 ′,5 ′′-Diisopropyl-2 ′,2 ′′-dimethylphenolphthalein

Pricing & Availability
Specifications

MDL Number	MFCD00005909
Synonym	5 ′,5 ′′-Diisopropyl-2 ′,2 ′′-dimethylphenolphthalein

1,143

StatLab™ MasterTech PAS Stain Kit

PAS Stain Kit stains for glycogen, mucin, fungi, and basement membranes in under 25 minutes.

Pricing & Availability
Specifications

Product Type	Stain Kit

1,144

Bromocresol Green (contains NaOH) Ethanol Solution [for TLC Stain], TCI America™

CAS: 76-60-8 Molecular Formula: C21H14Br4O5S Molecular Weight (g/mol): 698.014 MDL Number: MFCD00005874 InChI Key: FRPHFZCDPYBUAU-UHFFFAOYSA-N PubChem CID: 6451 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br

Pricing & Availability
Specifications

PubChem CID	6451
CAS	76-60-8
Molecular Weight (g/mol)	698.014
MDL Number	MFCD00005874
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	FRPHFZCDPYBUAU-UHFFFAOYSA-N
Molecular Formula	C21H14Br4O5S

1,145

Cresol Red-Thymol Blue Indicator, Ricca Chemical

Pricing & Availability
Specifications

CAS	62625-29-0
Color	Brown/Purple
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.02
Chemical Name or Material	Cresol Red-Thymol Blue
Grade	Indicator
Solvent or Matrix	Aqueous Solution
CAS Max %	0.03

1,146

D-(+)-Sucrose 99.0+%, TCI America™

CAS: 57-50-1 Molecular Formula: C12H22O11 Molecular Weight (g/mol): 342.30 MDL Number: MFCD00006626 InChI Key: CZMRCDWAGMRECN-PWPRYFECNA-N Synonym: D-(+)-Saccharose PubChem CID: 5988 ChEBI: CHEBI:17992 IUPAC Name: (2R,3R,4S,5S,6R)-2-{[(2S,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol SMILES: OC[C@H]1O[C@@](CO)(O[C@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@@H](O)[C@@H]1O

Pricing & Availability
Specifications

PubChem CID	5988
CAS	57-50-1
Molecular Weight (g/mol)	342.30
ChEBI	CHEBI:17992
MDL Number	MFCD00006626
SMILES	OC[C@H]1O[C@@](CO)(O[C@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@@H](O)[C@@H]1O
Synonym	D-(+)-Saccharose
IUPAC Name	(2R,3R,4S,5S,6R)-2-{[(2S,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol
InChI Key	CZMRCDWAGMRECN-PWPRYFECNA-N
Molecular Formula	C12H22O11

1,147

Starch Indicator, 1% (w/v), with Chloroform preservative, Ricca Chemical

Pricing & Availability
Specifications

Name Note	With Chloroform Preservative
Percent Purity	1% W/V
CAS	67-66-3
Color	Colorless
Physical Form	Liquid
pH	5 to 7
CAS Min %	0.1
Chemical Name or Material	Starch Indicator
Grade	Indicator
Concentration	1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.4

1,148

Indophenol Blue, TCI America™

CAS: 132-31-0 Molecular Formula: C18H16N2O Molecular Weight (g/mol): 276.339 MDL Number: MFCD00041739 InChI Key: VRZJGENLTNRAIG-UHFFFAOYSA-N Synonym: N-(4-Dimethylaminophenyl)-1,4-naphthoquinoneimine, alpha-Naphthol Blue PubChem CID: 67235 IUPAC Name: 4-[4-(dimethylamino)phenyl]iminonaphthalen-1-one SMILES: CN(C)C1=CC=C(C=C1)N=C2C=CC(=O)C3=CC=CC=C23

Pricing & Availability
Specifications

PubChem CID	67235
CAS	132-31-0
Molecular Weight (g/mol)	276.339
MDL Number	MFCD00041739
SMILES	CN(C)C1=CC=C(C=C1)N=C2C=CC(=O)C3=CC=CC=C23
Synonym	N-(4-Dimethylaminophenyl)-1,4-naphthoquinoneimine, alpha-Naphthol Blue
IUPAC Name	4-[4-(dimethylamino)phenyl]iminonaphthalen-1-one
InChI Key	VRZJGENLTNRAIG-UHFFFAOYSA-N
Molecular Formula	C18H16N2O

1,149

Variamine Blue B 98.0+%, TCI America™

CAS: 3566-44-7 Molecular Formula: C13H15ClN2O Molecular Weight (g/mol): 250.726 MDL Number: MFCD00012989 InChI Key: HPQQXLXIGHOKNZ-UHFFFAOYSA-N PubChem CID: 77108 IUPAC Name: 4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride SMILES: COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl

Pricing & Availability
Specifications

PubChem CID	77108
CAS	3566-44-7
Molecular Weight (g/mol)	250.726
MDL Number	MFCD00012989
SMILES	COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl
IUPAC Name	4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride
InChI Key	HPQQXLXIGHOKNZ-UHFFFAOYSA-N
Molecular Formula	C13H15ClN2O

1,150

Food Blue No. 1, TCI America™

CAS: 3844-45-9 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012141 InChI Key: SGHZXLIDFTYFHQ-UHFFFAOYSA-L PubChem CID: 19700 ChEBI: CHEBI:82411 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	19700
CAS	3844-45-9
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:82411
MDL Number	MFCD00012141
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
InChI Key	SGHZXLIDFTYFHQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

1,151

Eriochrome Black T, ACS Reagent Grade, Ricca Chemical

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M PubChem CID: 87355429 IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	87355429
CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

1,152

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

1,153

Fluorescein, TCI America™

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 MDL Number: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N Synonym: Acid Yellow 73 PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Pricing & Availability
Specifications

PubChem CID	16850
CAS	2321-07-5
Molecular Weight (g/mol)	332.31
ChEBI	CHEBI:31624
MDL Number	MFCD00005050
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Synonym	Acid Yellow 73
IUPAC Name	3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GNBHRKFJIUUOQI-UHFFFAOYSA-N
Molecular Formula	C20H12O5

1,154

StatLab™ MasterTech Mucicarmine Stain

Mucicarmine Stain stains Mucin or Cryptococcus red in 1 to 2 hours.

Pricing & Availability
Specifications

Product Type	Mucicarmine Stock Solution

1,155

Methyl Purple Indicator, pH 4.8 to 5.4 Purple to Green, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₅H₁₄N₃O₂Na
Color	Black/Green
Physical Form	Liquid
Chemical Name or Material	Methyl Purple Indicator
Grade	Certified
Identification	Passes Test
Name Note	pH 4.8 to 5.4 Purple to Green
CAS	845-10-3
Health Hazard 3	GHS P Statement Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Store in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Sulfur compounds; Carbon monoxide; Carbon dioxide; Nitrogen oxides
Health Hazard 2	GHS H Statement Flammable liquid and vapor. Causes serious eye irritation.
Flash Point	33°C
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Formula Weight	291.28
CAS Max %	0.04

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