Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.

Stains and Dyes (9,154)

Tissue Stain Blocking Reagents (82)

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1,966 – 1,980 of 7,076 results

1,966

Bromocresol Green, 0.1% Alcoholic, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: Bromocresol blue, Bromcresol Green, Bromcresol Blue IUPAC Name: ethanol SMILES: CCO

Pricing & Availability
Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	Bromocresol blue, Bromcresol Green, Bromcresol Blue
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

1,967

Bromocresol Purple Indicator, 0.04% w/v, Reagents

Bromocresol Purple 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	115-40-2
Color	Purple
Physical Form	Liquid
Chemical Name or Material	Bromocresol Purple Indicator, 0.04% w/v
Grade	Reagent
Synonym	Bromcresol purple
Specific Gravity	1.001

1,968

Xylenol Orange Indicator, 0.05% w/v, Reagents

Xylenol Orange Indicator, 0.05% w/v, Reagent, for general laboratory use. Store in a cool, dry place. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.05%
CAS	3618-43-7
Color	Red
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Xylenol Orange Indicator, 0.05% w/v
Grade	Reagent
Molecular Formula	C31H28N2Na4O13S/H2O
Specific Gravity	1.0001

1,969

Reagents Holdings Llc Phenolphthalein, 0.0074% w/v in IPA, Reagents

CAS: 67-63-0 Molecular Formula: C3H8O Molecular Weight (g/mol): 60.10 InChI Key: KFZMGEQAYNKOFK-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-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	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	propan-2-ol
InChI Key	KFZMGEQAYNKOFK-UHFFFAOYSA-N
Molecular Formula	C3H8O

1,970

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

1,971

Methyl Red Indicator, 0.1% w/v in Ethanol, Reagents

Methyl Red Indicator, 0.1% w/v in Ethanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	77°C
Percent Purity	0.10%
CAS	7732-18-5
Color	Red
Physical Form	Liquid
Chemical Name or Material	Methyl Red Indicator, 0.1% w/v in Ethanol
Grade	Reagent
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
Specific Gravity	0.8

1,972

Methyl Orange-Xylene Cyanole Indicator, Reagents

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

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	2650-17-1
Color	Blue to Green
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methyl Orange-Xylene Cyanole Indicator
Grade	Reagent
Synonym	Modified Methyl Orange
Specific Gravity	1.0005

1,973

Phenol Red, ACS Reagent (Phenolsulfonphthalein), Reagents

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: Phenolsulfonphthalein IUPAC Name: 3,3-bis(4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

CAS	143-74-8
Molecular Weight (g/mol)	354.38
SMILES	OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	Phenolsulfonphthalein
IUPAC Name	3,3-bis(4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	BELBBZDIHDAJOR-UHFFFAOYSA-N
Molecular Formula	C19H14O5S

1,974

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

1,975

Rhodanine Indicator, 0.02% (w/v), LabChem™

CAS: 141-84-4 Molecular Formula: C3H3NOS2 Molecular Weight (g/mol): 133.183 InChI Key: KIWUVOGUEXMXSV-UHFFFAOYSA-N PubChem CID: 1201546 ChEBI: CHEBI:8830 IUPAC Name: 2-sulfanylidene-1,3-thiazolidin-4-one SMILES: C1C(=O)NC(=S)S1

Pricing & Availability
Specifications

PubChem CID	1201546
CAS	141-84-4
Molecular Weight (g/mol)	133.183
ChEBI	CHEBI:8830
SMILES	C1C(=O)NC(=S)S1
IUPAC Name	2-sulfanylidene-1,3-thiazolidin-4-one
InChI Key	KIWUVOGUEXMXSV-UHFFFAOYSA-N
Molecular Formula	C3H3NOS2

1,976

Methyl Red Indicator, 0.02% Aqueous, Reagents

Methyl Red Indicator, 0.02% Aqueous, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.02%
CAS	845-10-3
Color	Orange to Red
Physical Form	Liquid
Chemical Name or Material	Methyl Red Indicator, 0.02% Aqueous
Grade	Reagent
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
Specific Gravity	1.001

1,977

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

1,978

Phenolphthalein Indicator, 0.25% w/v in Methanol, Reagents

Phenolphthalein Indicator, 0.25% w/v in Methanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	65°C
Percent Purity	0.25%
CAS	77-09-8
Color	Colorless
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Phenolphthalein Indicator, 0.25% w/v in Methanol
Grade	Reagent
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
Molecular Formula	C20H14O4/CH3OH
Specific Gravity	0.8

1,979

Phenolphthalein, 1% in 95% Ethanol, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: ethanol SMILES: CCO

Pricing & Availability
Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

1,980

Methyl Red, ACS Reagent (Free Acid) (Acid Red 2 Not water soluble), Reagents

CAS: 493-52-7 Molecular Formula: C15H15N3O2 Molecular Weight (g/mol): 269.30 InChI Key: CEQFOVLGLXCDCX-UHFFFAOYSA-N Synonym: Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid IUPAC Name: 2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid SMILES: CN(C)C1=CC=C(C=C1)N=NC1=CC=CC=C1C(O)=O

Pricing & Availability
Specifications

CAS	493-52-7
Molecular Weight (g/mol)	269.30
SMILES	CN(C)C1=CC=C(C=C1)N=NC1=CC=CC=C1C(O)=O
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
IUPAC Name	2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid
InChI Key	CEQFOVLGLXCDCX-UHFFFAOYSA-N
Molecular Formula	C15H15N3O2

Staining Reagents

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