Catalog Number: I10541 | CAS No: 0845-10-3

Methyl Red Sodium Salt

• MF : C15H14N3NaO2 | • MW : 291.28

• PubChem CID : 4465632 |

• EC Number : 212-682-9 | • MDL Number : MFCD00002426

• Colour Index Number : 13020

• Synonym(s) : Methyl Red sodium salt, Methyl Red sodium, Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-, sodium salt

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Methyl Red Sodium Salt CAS: 845-10-3 | MF: C15H14N3NaO2 | MW: 291.28, Buy now for reliable and reproducible results from Tristains indicators at Chemical World.

Methyl red sodium salt is provided in the form of reddish-orange powder or solid. It is made by the neutralization of methyl red with sodium hydroxide to form a stable sodium salt without eliminating the azo linkage (-N=N-) that is required. It exhibits high solubility in water and thus, a good indicator solution can be used in a variety of analytical tasks. The chemical composition of Methyl Red Sodium Salt is C15H14N3NaO2. Being a derivative of sodium salt and of methyl red, it is essentially utilized as an acid-base indicator in chemistry. This reagent is used in laboratories that conduct wide concentration titration and analysis testing due to its consistency and reliable performance.

Applications

Methyl Red Sodium Salt is usually employed as a pH indicator in acid-base titration experiments.
It is applied in a wide range of analytical methods, including titrimetric analysis and spectrophotometric measurements.
In microbiological testing, it plays a critical role in the Voges-Proskauer test to identify microorganisms capable of producing stable acids through mixed acid fermentation of glucose.

Key features

Distinct and Reversible Color Change: Provides precise titration endpoints and a sharp color shift between red and yellow in the pH range of 4.4 to 6.2.
Very Water-Soluble and Convenient: It is highly soluble in water, and can be ready to use directly in the laboratory and in the field.
Cost-effective and Multi-Purpose: Ideal in academic, research and industrial laboratories that require routine pH analysis or microbiological tests.
High Reliability and Batch Consistency: Prepared to high standards of quality to assure purity, stability and reproducible analytical behaviour.

General Description

Methyl Red Sodium Salt is a high-grade reagent that is commonly used as an acid-base indicator in titration processes, spectrophotometric testing, and microbiological tests. It is provided in the form of reddish-orange crystalline powder and is highly soluble in water to form a responsive indicator solution that has a sharp and immediate color change depending on the pH fluctuations.

Looking for a trusted supplier to buy Methyl Red Sodium Salt? Chemical World provides indicators that are trusted by educational, research, pharmaceutical, and microbiology laboratories across the USA for dependable supply, efficient delivery, and consistent quality. Methyl Red Sodium Salt is available at a certain price depending on the size of the packaging and volume of orders. There exist competitive bulk pricing and tailored quotations to satisfy the various laboratory needs. Methyl Red Sodium Salt (CAS: 845-10-3) by Chemical World will improve the analysis accuracy and provide clean samples and accurate and reproducible results in titration and microbial assays.

About Brand

TriStains provides a marketplace for histology and biological stains, which is comprehensive enough to encompass the peculiar requirements of laboratories specializing in Histology, Cytology, Microbiology, and Hematology. With a reputation for exceeding quality expectations, TriStains performance is outstanding, which allows for the resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under the TriStains series is validated for accuracy, reliability, and consistency. TriStains, which manufactures and markets stains and indicators in various packaging, offers laboratories turnkey solutions for all their staining and indicator needs, improving accuracy in every experiment.

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Application	Methyl Red sodium salt is a dye used for pH detection
CAS Number	845-10-3
Molecular Weight	291.28
Molecular Formula	C₁₅H₁₄N₃NaO₂

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

Methyl Red sodium salt is the sodium salt of Methyl Red. Methyl red is an indicator dye that turns red in acidic solutions. It is a pH indicator, turning red under pH 4.4, yellow over pH 6.2, and orange in between those values. It is used in microbiology in the Voges-Proskauer test to identify bacteria that produce stable acids through mixed acid fermentation of glucose. Methyl-red positive bacteria include Proteus vulgaris and Escherichia coli. Methyl-red negative bacteria include Enterobacter aerogenes and Serratia marcescens.

Appearance	Crystalline
Physical State	Solid
Solubility	Soluble in water (800 mg/ml at 25° C), and ethanol (slightly at 25° C).
Storage	Store at room temperature
Melting Point	275-281° C (lit.)
Refractive Index	n²⁰_D 1.59 (Predicted)
IC50	PRMT1: IC₅₀ = 440 µM (human); RmtA: IC₅₀ = 2.1 mM (Emericella nidulans)

SAFETY INFORMATION

WGK Germany	3
PubChem CID	4465632
Merck Index	14:6119
MDL Number	MFCD00002426
EC Number	212-682-9
Beilstein Registry	4065488
SMILES	CN(C)C1=CC=C(C=C1)N=NC2= CC=CC=C2C(=O)[O-].[Na+]

Safety Data Sheets (SDS), Product Specification (PS) and Certificates of Analysis (COA) click Document Button

Frequently Asked Questions

1. What is Methyl Red Sodium Salt?

Methyl Red Sodium Salt is found in the form of a reddish-orange solid or powder. It is synthesised as a salt by the reaction of methyl red and sodium hydroxide (NaOH). Although converted to its sodium salt, the molecule still has the azo functional group (–N=N–) of methyl red. Methyl Red Sodium Salt has a high ability to dissolve in water to form a stable solution that can be easily used as an indicator in various chemical analysis procedures.

2. What is Methyl Red Sodium Salt used for?

Methyl Red Sodium Salt is a widely known pH indicator in the acid-base titration experiment. It is used in many different analytical procedures, such as titrimetric analysis and spectrophotometric measurements. In microbiological testing, it is of great importance in the Voges-Proskauer test to determine microorganisms that are able to produce stable acids by performing mixed acid fermentation of glucose.

3. How is Methyl Red Sodium Salt used in laboratory work?

Methyl Red Sodium Salt is a widely known pH indicator in the acid-base titration experiment. In microbiological testing, it is of great importance in the Voges-Proskauer test to determine microorganisms that are able to produce stable acids by performing mixed acid fermentation of glucose.

4. What are the key features of Methyl Red Sodium Salt?

Distinct and Reversible Color Transition: Provides precise titration endpoints and a definite color change between red and yellow in the pH range of 4.4 to 6.2. Very Water-Soluble and Easy to Use: Can be readily dissolved in water and immediately can be used in the laboratory and field. Economical and Multi-Purpose: Provides excellent value for academic, research, and industrial laboratories performing routine pH analysis or microbiological testing.

5. Is Methyl Red Sodium Salt ready to use?

Yes. This product is supplied in a ready-to-use form for its intended laboratory application. Use it according to the product instructions and your established laboratory procedure.

6. Which laboratory fields or procedures use Methyl Red Sodium Salt?

This product is used in microbiology, titration, quality control and research. The specific use should match the requirements of the analytical method.

7. How can Methyl Red Sodium Salt support consistent laboratory work?

8. How can I check whether Methyl Red Sodium Salt suits my application?

9. Where can I request the COA, SDS, or product specifications for Methyl Red Sodium Salt?

For the current product-specific Certificate of Analysis (COA), Safety Data Sheet (SDS), or specification, contact the supplier and request the documentation for the exact product and lot where applicable. Include the product name and lot information when requesting documentation, if applicable.

10. Where can I purchase Methyl Red Sodium Salt in the USA?

You can purchase Methyl Red Sodium Salt through Chemical World. Contact our team for current availability, pricing, and shipping options in the USA.

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