PRODUCT
Zhishang Bio Methyl Red CAS 493-52-7
CAS:493-52-7 | C15H15N3O2 |MW：58.32 | EINECS NO：207-776-1
Payment: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Transporta: Ocean, Land,Air, DHL，TNT
Port: Shanghai Port, Qingdao Port
Description
Methyl red is a synthetic azo compound with the scientific name 2- [4 (dimethylamino phenyl) benzene-1 carboxylic acid. It is best known for its use as a pH indicator. This has been used in chemistry, biological research, and analytical chemistry fields for more than a century.
The unique color-changing characteristics of this reagent make it a commonly used and indispensable reagent, and also play a special role in the fields of industry and research.
Methyl Red Physical Properties
Methyl Red is a crystalline powder that appears glossy and dark purple at room temperatures. It can also appear as a deep, red powder.
It is a little soluble, with a low solubility, in water. However, it is easily soluble, in organic solvents like ethanol, ethyl-acetate, and acetone.
Methyl Red has a molecular formula of C15H15N3O2. Its molecular mass is 269.30g/mol. Methyl Red’s color-changing range is a key characteristic. It is a dual-color indicator that appears red in acidic solution below pH 4.4, and yellow in alkaline solution above pH 6
The color changes gradually from red to orange, yellow and orange-red in the pH range 4.4 to 6.2. This narrow range of acidic color changes is ideal for titrating weak acids or weak base salts.
Chemical Properties of Methyl Red
The color change in Methyl Red occurs primarily as a result of reversible molecular changes with changes in pH. This phenomenon is known as a classic example of the acid-base indicator theories.
Product Images & Packaging
Product Parameters
| Methyl Red Chemical Properties |
| Melting point | 179-182 °C (lit.) |
| Boiling point | 412.44°C (rough estimate) |
| bulk density | 300-500kg/m3 |
| density | 0.839 g/mL at 25 °C |
| vapor density | 9.3 (vs air) |
| refractive index | 1.5930 (estimate) |
| Fp | 11 °C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | ethanol: soluble1mg/mL |
| pka | 4.95(at 25℃) |
| form | Solid |
| Colour Index | 13020 |
| color | Reddish-violet |
| Odor | Odorless |
| PH Range | 4.4(red)-6.3(yellow) |
The application of Methyl Red
Methyl Red is widely utilized due to its excellent color-indicating capacity, making it useful in various fields such as analytical chemistry, microbiology and education.
1. Analytical Chemistry: Acid-Base Titration Indicator
Methyl Red has long been the go-to indicator for acid-base titration reactions due to its color changing range covering multiple weak base titration reactions and thus is ideal for titrating various substances such as:
Titration of weak base and strong acid: for instance, when titrating ammonia or sodium carbonate with hydrochloric acid to the first stoichiometric point.Titration of strong acid and weak base salts
Titrations that involve coloring the solution from yellow to a stable red indicate that their endpoint has been reached, with results being easy and obvious to distinguish.
2. Microbiology: Methyl Red Test
The Methyl Red test is an essential biochemical test in microbiology for the identification of Enterobacteriaceae bacteria, serving as part of IMViC series experiments.
Principle: Some bacteria can engage in mixed acid fermentation when cultured in glucose peptone water, generating large quantities of stable acidic end products like lactic acid, acetic acid and formic acid that gradually lower the pH value in their culture medium down below 4.5.
Method and Interpretation: After an extended period of cultivation, add a few drops of Methyl Red indicator to the culture medium and observe whether it immediately turns red indicating mixed acid fermenting bacteria such as Escherichia coli.
Negative reaction: When the culture medium is yellow in color, this indicates that bacteria either don’t produce acid at all or produce less of it than normal and are capable of turning acidic substances into neutral products, maintaining high pH levels such as gas-producing Escherichia coli bacteria.
This experiment can effectively differentiate similar bacteria such as Escherichia coli from gas producing Escherichia coli.
3. Education Field: Demonstration of Chemistry Teaching
Methyl Red has long been used as an effective and low-risk teaching tool in both high school and university chemistry labs to demonstrate acid-base concepts, pH values and indicator functioning principles to students due to its striking color changes and relatively minimal safety risks. Methyl Red can also be used to make simple pH test strips or conduct experiments on variations in acidity/alkalinity of solutions.
Methyl Red 's Procurement Guide
Procurement Guidelines
1. Sample Policy
We can provide a 2-3g free trial package (shipping fee required)
2. Batch procurement
Packaging: 25kg/bag; 220kg/barrel; Special packaging according to your needs
MOQ：1kg
3. Customized services
Concentration customization (90% -99%)
Paeonol’s outsourcing services
FAQ
Yes, we have our own factory called ” ZhiShang Industry Group “
Yes, we have GMP certificate for some products, and we can provide DMF as well.
-Quality you require, eg. Assay, Purity, or single impurity
-Quantity you need
-Standard you want, such as USP, EP, JP etc.
Escrow and T/T in advance are highly recommended. We can accept Western Union, Money Gram and Paypal as well.
For sample(less than 1kg), in about 3 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.
For samples, we will send by TNT/DHL/FEDEX/UPS express, usually it takes about 3-5 day.
Related References
Manufacturer of Methyl Red
Achievements
Advantage
Service
FAQ
Advice on Shipping
Achievements
Zhishang Bio is based in Shandong, serves the whole country, faces the world, and is determined to become an excellent supplier and service provider in the chemical industry.
As a top manufacturer of cosmetic raw materials, disinfectants, flavors and fragrances in China, we are committed to producing high-quality products and have won high praise from customers all over the world.
In the next 10 years or even longer, Zhishang Bio will always adhere to the tenet of quality first and reputation first, and devote itself to providing customers with thoughtful and perfect services.
As a professional Methyl Red manufacturer, Zhi shang Bio has served more than 6,000 customers around the world. Because of our high-quality products and professional services, we have won high praise from most of our customers.
Advantage
Zhishang Bio is a professional enterprise engaged in the research and development, production, and sales of chemical raw materials. It has a strong supply chain system and strict quality control standards to ensure the provision of high-quality products with high purity and stability to customers.
Zhishang Bio’s core strength is its independent research and design capabilities. It has advanced production equipment, testing laboratories and can customize chemical raw materials to meet the market demands. This includes pharmaceuticals, electronic, coatings and agricultural applications.
Zhishang Bio’s supply chain management is based on long-term relationships with domestic and international suppliers of high quality to guarantee a stable supply, optimize logistic systems, and achieve efficient distribution. This helps reduce the cost of customer purchases.
We adhere to international environmental standards and we also adhere to the concept that environmental protection and safety production are important. All production processes must comply with these standards in order to guarantee that our products will be green and sustainable.
With a professional technical team and comprehensive after-sales service, Zhishang Bio can provide customers with precise technical support, solve application problems, and help customers enhance product competitiveness.
We are always customer-oriented and committed to becoming a trusted chemical raw material partner.
Service
Zhishang Biography is dedicated to using clients extensive and expert service, including chemical raw material. The customers will certainly receive hassle-free, efficient and one-stop options.
1. Custom-made Supply Solutions
Zhishang Bio provides tailored services for clients in the chemical basic material sector, including special bit dimension, solvent residue control, stability optimizations and more. Clients can personalize their services to satisfy details requirements in industries such as drugs, electronic devices, and finishings.
2. Strict quality assurance
Zhishang Bio utilizes advanced screening equipment and stringent quality examination procedures, in addition to various other files, to guarantee that every batch of products is certified with international criteria such ISO GMP, REACH, and so on. Customers are also given with full quality records and conformity documents.
The supply chain is secure
Zhishang Bio has actually established lasting calculated collaborations with worldwide makers of top notch raw materials to make certain a secure supply, maximize the storage facility and logistics system, and assistance both small-scale examinations and large orders. It adjusted to the changing requirements of clients by responding flexibly to these changes.
4. Technical support
Zhishang Bio’s technical group can offer suggestions on product applications, formula optimization and analysis of industry patterns to aid clients fix technological troubles during production and boost item efficiency.
5. Efficient after-sales service
Zhishang Bio provides complete monitoring, reacts to client requests and delivers promptly. This will certainly make certain customer complete satisfaction.
Zhishang Biography intends to help consumers expand their service by providing the very best solutions and chemical resources.
FAQ
DO YOU ACCEPT SAMPLE ORDER?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
WHAT’S YOUR MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
IS THERE A DISCOUNT?
Different quantity has different discount.
HOW TO CONFIRM WHETHER THE PRODUCT QUALITY MEETS OUR NEEDS BEFORE PLACING AN ORDER?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
DO YOU SUPPLY PRODUCT REPORT?
Yes. We’ll give you product analysis report before shipping.
LEARN MORE ABOUT US
Shandong Look Chemical
Advice on Shipping
1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).
4. For high-value products, please choose air or express to ensure the safety of product transportation.
Company Info
Zhishang Bio company in China that exports chemicals, Cosmetic raw materials, and Intermediates for over 70 countries now.
And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.
The company integrates research and development, production, and trade, with a modern production base, advanced testing equipment, and an experienced technical team to ensure that products reach industry-leading levels in purity, stability, and environmental friendliness.
