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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1,156 – 1,170 of 7,117 results

1,156

StatLab™ ClearView Hematoxylin

An ideal hematoxylin stain.

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1,157

StatLab™ ClearView Eosin

An ideal counterstain for ClearView hematoxylin.

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1,158

Boric Acid, 4% (w/v) with Indicator (Bromocresol Green-Methyl Red), Certified, 4.0% (w/v) ±0.2%, LabChem™

CAS: 10043-35-3 Molecular Formula: BH3O3 Molecular Weight (g/mol): 61.83 MDL Number: MFCD00011337 InChI Key: KGBXLFKZBHKPEV-UHFFFAOYSA-N Synonym: orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,Tris-borate-EDTA,h3bo3,flea prufe PubChem CID: 7628 ChEBI: CHEBI:33118 IUPAC Name: boric acid SMILES: OB(O)O

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Specifications

PubChem CID	7628
CAS	10043-35-3
Molecular Weight (g/mol)	61.83
ChEBI	CHEBI:33118
MDL Number	MFCD00011337
SMILES	OB(O)O
Synonym	orthoboric acid,boracic acid,borofax,boron hydroxide,boron trihydroxide,three elephant,basilit b,Tris-borate-EDTA,h3bo3,flea prufe
IUPAC Name	boric acid
InChI Key	KGBXLFKZBHKPEV-UHFFFAOYSA-N
Molecular Formula	BH3O3

1,159

m-Cresol Purple, 0.1% Aqueous, pH 1.2 to 2.8 Red to Yellow, pH 7.4 to 9.0 Yellow to Purple, Certified, LabChem™

CAS: 62625-31-4 Molecular Weight (g/mol): 404.42

Pricing & Availability
Specifications

CAS	62625-31-4
Molecular Weight (g/mol)	404.42

1,160

Thymol Blue Indicator, 0.04% (w/v), Ricca Chemical

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): Mixture MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 IUPAC Name: sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

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Specifications

PubChem CID	23692293
CAS	62625-21-2
Molecular Weight (g/mol)	Mixture
MDL Number	MFCD00151093
SMILES	[Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O
IUPAC Name	sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate
InChI Key	OCMIKNBSIRSUPI-FRWNMSGJSA-M
Molecular Formula	C27H29NaO5S

1,161

Bromocresol Green-Methyl Red Mixed Indicator, Ricca Chemical

Pricing & Availability
Specifications

CAS	845-10-3
Color	Dark Brown
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.02
Chemical Name or Material	Bromocresol Green-Methyl Red Mixed Indicator
Grade	Indicator
Solvent or Matrix	Aqueous Solution
CAS Max %	0.02

1,162

Bromocresol Green - Methyl Red, Alcoholic, for Alkalinity, Certified, LabChem™

Pricing & Availability
Specifications

Boiling Point	78°C
Linear Formula	C₂₁H₁₄Br₄O₅S·Na
Color	Green
Physical Form	Liquid
UN Number	UN1170
Chemical Name or Material	Bromocresol Green - Methyl Red
Grade	Certified
Identification	Passes Test
Density	790kg/m³
Name Note	Alcoholic, for Alkalinity
CAS	845-10-3
Health Hazard 3	GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat, hot surfaces, open flames, sparks. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, lighting, ventilating equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe mist, spray, vapors. Wear eye protection, face protection, protective clothing, protective gloves. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. If exposed or concerned: Get medical attention. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. In case of fire: Use carbon dioxide (CO2), powder, alcohol-resistant foam to extinguish. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Fume; Carbon monoxide; Carbon dioxide; May release flammable gases
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. May cause cancer. Suspected of damaging the unborn child. Causes damage to organs (central nervous system, optic nerve) (oral, dermal).
Flash Point	13°C
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
EINECS Number	200-578-6
Formula Weight	720.06
Specific Gravity	790kg/m³
CAS Max %	0.04
Melting Point	-115°C

1,163

Fehling's Solution 'B', Alkaline No. 2, Certified, LabChem™

Pricing & Availability
Specifications

Name Note	Alkaline No. 2
Linear Formula	KNaC₄H₄O₆·4H₂O
CAS	1310-73-2
Health Hazard 2	GHS H Statement Causes severe skin burns and eye damage.
Physical Form	Liquid
Health Hazard 1	Danger
UN Number	UN1824
Grade	Certified
Recommended Storage	Room Temperature
Formula Weight	282.22
CAS Max %	4.5

1,164

Starch Indicator, 0.5% (w/v), with Chloroform preservative, Ricca Chemical

Pricing & Availability
Specifications

Name Note	With Chloroform Preservative
Percent Purity	0.5% 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	0.5% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.4

1,165

Acid Red 87 90.0+%, TCI America™

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: Eosine, Tetrabromofluorescein Sodium Salt PubChem CID: 91886399 IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	91886399
CAS	17372-87-1
Molecular Weight (g/mol)	745.904
MDL Number	MFCD00005040
SMILES	C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]
Synonym	Eosine, Tetrabromofluorescein Sodium Salt
IUPAC Name	disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
InChI Key	MASXMTNVNASWNH-UHFFFAOYSA-L
Molecular Formula	C20H12Br4Na2O8

1,166

Acid Red 91, TCI America™

CAS: 548-24-3 Molecular Formula: C20H8Br2N2O9 MDL Number: MFCD00005041 Synonym: Eosin Bluish, Imperial Red

Pricing & Availability
Specifications

CAS	548-24-3
MDL Number	MFCD00005041
Synonym	Eosin Bluish, Imperial Red
Molecular Formula	C20H8Br2N2O9

1,167

Thymolphthalein TS/RS, 0.1% (w/v) in Alcohol, Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	125-20-2
Color	Colorless
Packaging	Natural Poly Bottle
Grade	Indicator

1,168

Methyl Orange (0.1% in Water) [for Titration], TCI America™

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 MDL Number: MFCD00007502 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23673835
CAS	547-58-0
Molecular Weight (g/mol)	327.334
MDL Number	MFCD00007502
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula	C14H14N3NaO3S

1,169

Bromothymol Blue TS, 0.1% (w/v) in 50% (v/v) Alcohol, Ricca Chemical

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): Mixture InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N

Pricing & Availability
Specifications

CAS	76-59-5
Molecular Weight (g/mol)	Mixture
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

1,170

Bromophenol Blue Indicator, 0.1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	7732-18-5
Color	Dark Reddish Purple
Physical Form	Liquid
pH	4
Packaging	Natural Poly Bottle
CAS Min %	0.1
Chemical Name or Material	Bromophenol Blue Indicator
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.1

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