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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1,786 – 1,800 of 7,125 results

1,786

Phenol Red, 0.04%, Aqueous, pH 6.8 to 8.4 Yellow to Red, Certified, LabChem™

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	376.358
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

1,787

Fehlings Solution 'A', Copper No. 1, Certified, 6.93% (w/v) ±0.30%, LabChem™

Pricing & Availability
Specifications

Name Note	Copper No. 1
Percent Purity	6.93% ±0.3% (w/v)
Linear Formula	CuSO₄·5H₂O
CAS	7732-18-5
Health Hazard 3	GHS P Statement Avoid release to the environment. Collect spillage. Dispose of contents/container to comply with local, state and federal regulations.
Health Hazard 2	GHS H Statement Toxic to aquatic life with long lasting effects.
Physical Form	Liquid
Grade	Certified
Recommended Storage	Room Temperature
Formula Weight	249.68
CAS Max %	6.93

1,788

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

1,789

Phenol Red, 0.1%, Aqueous, Certified, LabChem™

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	376.358
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

1,790

Thymolphthalein, 0.05% in Ethanol, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₂₈H₃₀O₄
Color	Colorless to Blue
Physical Form	Liquid
Chemical Name or Material	Thymolphthalein
Grade	Certified
Identification	Passes Test
Name Note	0.05% in Ethanol
CAS	125-20-2
Health Hazard 3	GHS P Statement Wear eye protection, protective gloves. Wash exposed skin thoroughly after handling. If on skin: Wash with plenty of soap and water. Take off contaminated clothing. If skin irritation occurs: Get medical advice/attention. 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.
Decomposition Information	Fume; Carbon monoxide; Carbon dioxide; May release flammable gases
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Causes damage to organs (central nervous system, optic nerve) (oral).
pH	9.3 to 10.5
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	430.5
CAS Max %	0.05

1,791

Methyl Red, 0.02% Aqueous, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

1,792

Methyl Red, 1.0% Aqueous, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

1,793

Phenolphthalein, 0.5% In 50% Ethanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₂₀H₁₄O₄
Color	Colorless to Pink
Physical Form	Liquid
Chemical Name or Material	Phenolphthalein
Grade	Certified
Identification	Passes Test
Density	0.95g/mL
CAS	77-09-8
Decomposition Information	Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Flammable liquid and vapor. May cause cancer. Suspected of damaging the unborn child (oral). Causes damage to organs (central nervous system, optic nerve) (oral, dermal).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	318.32
Specific Gravity	0.95g/mL
CAS Max %	0.5

1,794

Bromocresol Green Sodium Salt, ACS Grade, LabChem™

CAS: 62625-32-5 Molecular Weight (g/mol): 720.06

Pricing & Availability
Specifications

CAS	62625-32-5
Molecular Weight (g/mol)	720.06

1,795

Methyl Orange, Modified, Certified, LabChem™

Certified grade modified methyl orange indicator solution for laboratory use.

Pricing & Availability

1,796

PAN Indicator, 0.3% in Ethanol, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₅H₁₁N₃O
Color	Orange to Red
Physical Form	Liquid
UN Number	UN1170
Chemical Name or Material	PAN Indicator
Grade	Certified
Identification	Passes Test
Name Note	0.3% in Ethanol
CAS	85-85-8
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, 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. Do not breathe mist, vapors, spray. Do not eat, drink or smoke when using this product. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If exposed or concerned: Get medical advice/attention. If swallowed: Rinse mouth. Call a poison center/doctor if you feel unwell. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. In case of fire: Use alcohol resistant foam, carbon dioxide (CO2), extinguishing powder to extinguish. Store locked up in cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Carbon monoxide; Carbon dioxide; May release flammable gases
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Harmful if swallowed. May cause cancer (oral). Suspected of damaging fertility or the unborn child (oral). Causes damage to organs (central nervous system, kidneys, liver, optic nerve) (oral, dermal).
Packaging	Amber Glass
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	249.27
CAS Max %	0.3
Suitability	Passes Test

1,797

Phenolphthalein, 0.1% w/v in 50% v/v Methanol, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,798

Phenolphthalein, 1% w/v in Isopropanol, 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

1,799

Phenolphthalein, 0.02% in Isopropanol, Reagents

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

1,800

Phenol Red Indicator, 0.1% w/v, Reagents

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

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.1%
CAS	34487-61-1
Color	Orange/Red
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Phenol Red Indicator, 0.1% w/v
Grade	Reagent
Synonym	Phenolsulfonphthalein
Specific Gravity	1.0003

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Phenolphthalein, 0.5% In 50% Ethanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Phenolphthalein, 0.5% In 50% Ethanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™