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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 – 15 of 25 results
1

Starch Indicator, 1% (w/v), Mercury Free, for Iodometric Titrations, Ricca Chemical

Iodometric Titrations

EDGE
Percent Purity 1% W/V
CAS 69-72-7
Color White
Physical Form Liquid
pH 5 to 7
CAS Min % 0.12
Chemical Name or Material Starch Indicator
Grade Indicator
Concentration 1% (w/v)
Solvent or Matrix Aqueous Solution
CAS Max % 0.13
2

Starch Indicator, 0.5% (w/v), Mercury Free, for Iodometric Titrations, Ricca Chemical

Iodometric Titrations

EDGE
Percent Purity 0.5% W/V
CAS 7732-18-5
Color White
Physical Form Liquid
pH 5 to 7
Chemical Name or Material Starch Indicator
Grade Indicator
Concentration 0.5% (w/v)
Solvent or Matrix Aqueous Solution
3

Rose Bengal, Spectrum™ Chemical
SDP

CAS: 632-69-9

CAS 632-69-9
4

Starch Indicator, 2% (w/v), Mercury Free, for Iodometric Titrations, Ricca Chemical

Iodometric Titrations

Percent Purity 2% W/V
CAS 69-72-7
Color White
Physical Form Liquid
pH 5 to 7
CAS Min % 0.19
Chemical Name or Material Starch Indicator
Grade Indicator
Concentration 2% (w/v)
Shelf Life 24 months
Solvent or Matrix Aqueous Solution
CAS Max % 0.2
5

Starch Indicator, 0.5% w/v, Reagents

Starch Indicator, 0.5% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Boiling Point 100°C
Percent Purity 0.5%
CAS 69-72-7
Color White
Physical Form Liquid
Chemical Name or Material Starch Indicator, 0.5% w/v
Grade Reagent
Specific Gravity 1.0021
6

Starch Indicator, Preserved with Salicylic Acid (Mercury Free), Certified, 1%, LabChem™

Name Note Preserved with Salicylic Acid (Mercury Free)
CAS 69-72-7
Health Hazard 3 GHS P Statement
If in contact with skin or eyes, rinse thoroughly with water for 15-20 minutes.
If swallowed, get medical attention.
Health Hazard 2 GHS H Statement
Solution is not hazardous.
Physical Form Liquid
Chemical Name or Material Starch Indicator
Grade Certified
Recommended Storage Room Temperature
CAS Max % 0.1
7

Cresyl violet acetate, 69%, MP Biomedicals™

CAS: 10510-54-0 Molecular Formula: C18H15N3O3 Molecular Weight (g/mol): 321.34 MDL Number: MFCD00013151,MFCD00013151 InChI Key: XKOCOMKJPWEOHX-UHFFFAOYSA-M Synonym: Cresyl Fast Violet,9-amino-5-imino-5H-benzo[a]phenoxazine acetate salt PubChem CID: 44134641 IUPAC Name: 8,12-diamino-10λ⁴-oxa-5-azatetraphen-10-ylium acetate SMILES: CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3

PubChem CID 44134641
CAS 10510-54-0
Molecular Weight (g/mol) 321.34
MDL Number MFCD00013151,MFCD00013151
SMILES CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3
Synonym Cresyl Fast Violet,9-amino-5-imino-5H-benzo[a]phenoxazine acetate salt
IUPAC Name 8,12-diamino-10λ⁴-oxa-5-azatetraphen-10-ylium acetate
InChI Key XKOCOMKJPWEOHX-UHFFFAOYSA-M
Molecular Formula C18H15N3O3
8

Starch Solution, 2% w/v, Mercury-Free, with Salicylic Acid Preservative, Reagents

Starch Solution, 2% w/v, Mercury-Free, with Salicylic Acid Preservative, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Boiling Point 100°C
Percent Purity 2%
CAS 69-72-7
Color White
Physical Form Liquid
Chemical Name or Material Starch Solution, 2% w/v, Mercury-Free, with Salicylic Acid Preservative
Grade Reagent
Specific Gravity 1.02
10

Starch Indicator, Preserved with Salicylic Acid (Mercury Free), Certified, 0.5%, LabChem™

Physical Form Liquid
Chemical Name or Material Starch Indicator
Grade Certified
Identification Passes Test
Density 1g/mL
Name Note Preserved with Salicylic Acid (Mercury Free)
Percent Purity 0.5%
CAS 69-72-7
Health Hazard 3 GHS P Statement
If in contact with skin or eyes, rinse thoroughly with water for 15-20 minutes.
If swallowed, get medical attention.
Decomposition Information Fume; Carbon monoxide; Carbon dioxide
Health Hazard 2 GHS H Statement
Solution is not hazardous.
Solubility Information Soluble in water
Recommended Storage Room Temperature
Specific Gravity 1g/mL
CAS Max % 0.1
Suitability Passes Test
11

Azo Rubine, TCI America™

CAS: 3567-69-9 Molecular Formula: C20H12N2Na2O7S2 Molecular Weight (g/mol): 502.42 MDL Number: MFCD00003978 InChI Key: OJNIRNOPCQQNRY-JZFXEGLSSA-L Synonym: Brilliant Crimson Red, Carmoisine B PubChem CID: 44135716 IUPAC Name: disodium 4-{2-[(2E)-1-oxo-4-sulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}naphthalene-1-sulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=C\C(=N/NC2=C3C=CC=CC3=C(C=C2)S([O-])(=O)=O)C(=O)C2=CC=CC=C12

PubChem CID 44135716
CAS 3567-69-9
Molecular Weight (g/mol) 502.42
MDL Number MFCD00003978
SMILES [Na+].[Na+].[O-]S(=O)(=O)C1=C\C(=N/NC2=C3C=CC=CC3=C(C=C2)S([O-])(=O)=O)C(=O)C2=CC=CC=C12
Synonym Brilliant Crimson Red, Carmoisine B
IUPAC Name disodium 4-{2-[(2E)-1-oxo-4-sulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}naphthalene-1-sulfonate
InChI Key OJNIRNOPCQQNRY-JZFXEGLSSA-L
Molecular Formula C20H12N2Na2O7S2
12

Acid Red 94, TCI America™

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00151169 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Rose Bengal PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

PubChem CID 87244310
CAS 632-69-9
Molecular Weight (g/mol) 1019.644
MDL Number MFCD00151169
SMILES C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
Synonym Rose Bengal
IUPAC Name sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key DPBQSRZQYAYDGY-UHFFFAOYSA-N
Molecular Formula C20H4Cl4I4Na2O5
13

Food Red No. 105, TCI America™

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00151169 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

PubChem CID 87244310
CAS 632-69-9
Molecular Weight (g/mol) 1019.644
MDL Number MFCD00151169
SMILES C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
IUPAC Name sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key DPBQSRZQYAYDGY-UHFFFAOYSA-N
Molecular Formula C20H4Cl4I4Na2O5
14

Chromotrope FB

CAS: 3567-69-9 Molecular Formula: C20H12N2Na2O7S2 Molecular Weight (g/mol): 502.42 MDL Number: MFCD00003978 InChI Key: OJNIRNOPCQQNRY-JZFXEGLSSA-L Synonym: Acid Red 14; C.I. 14720 PubChem CID: 44135716 SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=C\C(=N/NC2=C3C=CC=CC3=C(C=C2)S([O-])(=O)=O)C(=O)C2=CC=CC=C12

PubChem CID 44135716
CAS 3567-69-9
Molecular Weight (g/mol) 502.42
MDL Number MFCD00003978
SMILES [Na+].[Na+].[O-]S(=O)(=O)C1=C\C(=N/NC2=C3C=CC=CC3=C(C=C2)S([O-])(=O)=O)C(=O)C2=CC=CC=C12
Synonym Acid Red 14; C.I. 14720
InChI Key OJNIRNOPCQQNRY-JZFXEGLSSA-L
Molecular Formula C20H12N2Na2O7S2
15

Thermo Scientific Chemicals Rose Bengal, 85%, pure, high purity, Biological stain

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00005043 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Acid Red 94,C.I. 45440 PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

PubChem CID 87244310
CAS 632-69-9
Molecular Weight (g/mol) 1019.644
MDL Number MFCD00005043
SMILES C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
Synonym Acid Red 94,C.I. 45440
IUPAC Name sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key DPBQSRZQYAYDGY-UHFFFAOYSA-N
Molecular Formula C20H4Cl4I4Na2O5