Description

Phenol Red Sodium Salt CAS: 34487-61-1 | MF: C19H13NaO5S | MW: 376.36, Buy now for accurate and Reproducible results from Tristains indicators. All Tristains products are exclusively distributed by Dawn Scientific Inc.

Phenol red sodium salt is a synthetic dye derived from phenolphthalein. It appears as a dark red crystalline powder. Phenol red sodium salt is soluble in water, ethanol, and ether.Its chemical formula is C19H13NaO5S. Phenol red sodium salt is also known as Phenolsulfonephthalein sodium salt. In acidic conditions, it turns yellow, while in basic conditions, it turns red. It is used as a pH indicator in various applications.

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Application :

Phenol red sodium salt is a chemical compound commonly used as a pH indicator.
It is commonly used in cell culture media to visually monitor the pH of the medium.
In some biological staining techniques, it can be used to visualize certain cellular structures or metabolic activities.
It can also be used in microbiology to differentiate between different types of bacteria based on their metabolic activity and subsequent pH changes in the growth medium.

Benefits :

Provides accurate measurements of pH changes in solutions
Versatile and stable
Cost-effective

Additional information

CAS No	34487-61-1
Synonyms	Phenolsulfonephthalein Sodium Salt
MW	376.36
MF	C19H13NaO5S
Brand	Tristains
Size	100g, 10g, 25g, 50g

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TECHNICAL INFORMATION

Alternate Names	Phenolsulfonephthalein Sodium Salt
Application	Phenol Red Sodium Salt is a water soluble pH indicator commonly employed in cell biology laboratories as a cell tissue culture pH marker
CAS Number	34487-61-1
Molecular Weight	376.36
Molecular Formula	C₁₉H₁₃NaO₅S

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).

Phenol Red sodium salt is a water soluble pH indicator used in the 6.8 (yellow) to 8.2 (red) range. It is commonly employed in cell biology laboratories as a cell tissue culture pH marker. Under normal conditions, phenol red added to the growth medium will have a pink-red color. Usually 15 mg/l is used to produce this effect. If problems arise, such as dying cells or overgrowth of contaminants, this will cause a change in pH resulting in a change in indicator color. This color change is an indication that the medium needs to be replaced. Additionally, Phenol Red could potentially be useful as a differentiation factor.

TECHNICAL INFORMATION

Appearance	Crystalline or powder
Physical State	Solid
Solubility	Soluble in water yielding a dark red solution (25 mg/ml), alcohol (4 mg/ml), methanol, ethanol (200 mg/ml), and aqueous alkali hydroxides or carbonates with formation of a red colored solution.
Storage	Store at room temperature
Melting Point	285° C (lit.)(dec.)
pK Values	pK_a: 7.9

SAFETY INFORMATION

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

WGK Germany	3
PubChem CID	23686673
Merck Index	14:7247
MDL Number	MFCD00066901
EC Number	252-057-8
Beilstein Registry	6260026
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O) (C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

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I10556

Phenol Red Sodium Salt

CAS No

34487-61-1

Synonym(s)

Phenolsulfonephthalein Sodium Salt

Molecular Formula:

C₁₉H₁₂NaO₅S

Molecular Weight:

376.36

EC Number:

252-057-8

Colour Index Number:

–

PubChem CID:

23686673

MDL number:

MFCD00066901

Specification SDS Available pack size: 10g, 25g, 50g, 100g

CAS No	34487-61-1
Synonyms	Phenolsulfonephthalein Sodium Salt
MW	376.36
MF	C19H13NaO5S
Brand	Tristains
Size	100g, 10g, 25g, 50g

Alternate Names	Phenolsulfonephthalein Sodium Salt
Application	Phenol Red Sodium Salt is a water soluble pH indicator commonly employed in cell biology laboratories as a cell tissue culture pH marker
CAS Number	34487-61-1
Molecular Weight	376.36
Molecular Formula	C₁₉H₁₃NaO₅S

Appearance	Crystalline or powder
Physical State	Solid
Solubility	Soluble in water yielding a dark red solution (25 mg/ml), alcohol (4 mg/ml), methanol, ethanol (200 mg/ml), and aqueous alkali hydroxides or carbonates with formation of a red colored solution.
Storage	Store at room temperature
Melting Point	285° C (lit.)(dec.)
pK Values	pK_a: 7.9

WGK Germany	3
PubChem CID	23686673
Merck Index	14:7247
MDL Number	MFCD00066901
EC Number	252-057-8
Beilstein Registry	6260026
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O) (C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]