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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1,966 – 1,980 of 7,125 results

1,966

Bromophenol Blue Indicator, 0.04% w/v, Reagents

Bromophenol Blue Indicator, 0.04% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.04%
CAS	62625-28-9
Color	Dark Reddish Purple
Physical Form	Liquid
Chemical Name or Material	Bromophenol Blue Indicator, 0.04% w/v
Grade	Reagent
Synonym	3',3'',5',5''-Tetrabromosulfonphthalein, Tetrabromophenol blue, Bromphenol blue
Specific Gravity	1.001

1,967

Heartwood Indicator B, Reagents

Heartwood Indicator B, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,968

11-13 Indicator 4-(4-Nitrophenylazo)resorcinol, 0.02% in 20% IPA, Reagents

11-13 Indicator 4-(4-Nitrophenylazo)resorcinol, 0.02% in 20% IPA, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,969

0.15% KI, 0.076% Iodine, 1.2% Boric Acid, Aqueous Solution, Reagents

0.15% KI, 0.076% Iodine, 1.2% Boric Acid, Aqueous Solution, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,970

Phenolphthalein, Reagent ACS Meets USP and ACS Specifications, Reagents

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

CAS	77-09-8
Molecular Weight (g/mol)	318.33
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

1,971

Murexide (Ammonium Purpurate), Reagents

CAS: 3051-09-0 Molecular Formula: C8H8N6O6 Molecular Weight (g/mol): 284.19 InChI Key: PCCZWUCAYILEMX-UHFFFAOYSA-O Synonym: Ammonium Purpurate, Color Index 56085 IUPAC Name: ammonium 2,4,6-trioxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1,3-diazinan-5-ide SMILES: [NH4+].O=C1NC(=O)[C-](N=C2C(=O)NC(=O)NC2=O)C(=O)N1

Pricing & Availability
Specifications

CAS	3051-09-0
Molecular Weight (g/mol)	284.19
SMILES	[NH4+].O=C1NC(=O)[C-](N=C2C(=O)NC(=O)NC2=O)C(=O)N1
Synonym	Ammonium Purpurate, Color Index 56085
IUPAC Name	ammonium 2,4,6-trioxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1,3-diazinan-5-ide
InChI Key	PCCZWUCAYILEMX-UHFFFAOYSA-O
Molecular Formula	C8H8N6O6

1,972

Starch Solution, 1% w/v Mercury-Free, Reagents

Starch Solution, 1% w/v Mercury-Free, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	1%
CAS	9005-84-9
Color	White
Physical Form	Liquid
Chemical Name or Material	Starch Solution, 1% w/v Mercury-Free
Grade	Reagent
Specific Gravity	1.01

1,973

Methyl Orange Indicator, 0.1% w/v Prepared in accordance with ASTM D974 procedures, Reagents

Methyl Orange Indicator, 0.1% w/v Prepared in accordance with ASTM D974 procedures, ASTM, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.1%
CAS	547-58-0
Color	Orange
Physical Form	Liquid
Chemical Name or Material	Methyl Orange Indicator, 0.1% w/v Prepared in accordance with ASTM D974 procedures
Grade	ASTM
Synonym	Orange III, Helianthine
Molecular Formula	C14H14N3NaO3S/H2O
Specific Gravity	1.001

1,974

Bromothymol Blue Indicator, 0.2% w/v, Reagents

Bromothymol Blue Indicator, 0.2% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,975

Modified Methyl Orange Indicator, 0.1% Methyl Orange-Xylene Cyanole, Reagents

Modified Methyl Orange Indicator, 0.1% Methyl Orange-Xylene Cyanole, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.1%
CAS	2650-17-1
Color	Blue to Green
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methyl Orange Sodium Salt
Grade	Reagent
Synonym	Methyl Orange-Xylene Cyanole
Specific Gravity	1.001

1,976

Eriochrome Black T 0.5% in Triethanolamine, Reagents

CAS: 102-71-6 Molecular Formula: C6H15NO3 Molecular Weight (g/mol): 149.19 MDL Number: MFCD00002855 InChI Key: GSEJCLTVZPLZKY-UHFFFAOYSA-N Synonym: Water hardness indicator IUPAC Name: 2-[bis(2-hydroxyethyl)amino]ethan-1-ol SMILES: OCCN(CCO)CCO

Pricing & Availability
Specifications

CAS	102-71-6
Molecular Weight (g/mol)	149.19
MDL Number	MFCD00002855
SMILES	OCCN(CCO)CCO
Synonym	Water hardness indicator
IUPAC Name	2-[bis(2-hydroxyethyl)amino]ethan-1-ol
InChI Key	GSEJCLTVZPLZKY-UHFFFAOYSA-N
Molecular Formula	C6H15NO3

1,977

Dichlorofluorescein, 0.08% w/v in Isopropanol, Reagents

CAS: 67-63-0 Molecular Formula: C3H8O Molecular Weight (g/mol): 60.10 InChI Key: KFZMGEQAYNKOFK-UHFFFAOYSA-N Synonym: 2',7'-Dichloro-3,6-fluorandiol, 2,7-Dichlorofluorescein, 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one IUPAC Name: propan-2-ol SMILES: CC(C)O

Pricing & Availability
Specifications

CAS	67-63-0
Molecular Weight (g/mol)	60.10
SMILES	CC(C)O
Synonym	2',7'-Dichloro-3,6-fluorandiol, 2,7-Dichlorofluorescein, 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
IUPAC Name	propan-2-ol
InChI Key	KFZMGEQAYNKOFK-UHFFFAOYSA-N
Molecular Formula	C3H8O

1,978

Bromocresol Purple, 1% w/v Aqueous, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Bromcresol purple IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	Bromcresol purple
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,979

Ferric Alum Indicator, Reagents

Ferric Alum Indicator, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,980

Indicator A, Reagents

Indicator A, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	3625-57-8
Color	Blue
Physical Form	Liquid
Chemical Name or Material	Indicator A
Grade	Reagent
Synonym	Nile blue sulfate
Specific Gravity	1.001

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