Send Message
Home ProductsBiological Stains

CAS 845-10-3 Methyl Red Sodium Salt

China Hunan Yunbang Biotech Inc. certification
China Hunan Yunbang Biotech Inc. certification
I'm Online Chat Now

CAS 845-10-3 Methyl Red Sodium Salt

CAS 845-10-3 Methyl Red Sodium Salt
CAS 845-10-3 Methyl Red Sodium Salt CAS 845-10-3 Methyl Red Sodium Salt

Large Image :  CAS 845-10-3 Methyl Red Sodium Salt

Product Details:
Place of Origin: China
Brand Name: YunbangPharm
Certification: ISO9001
Model Number: YB191
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1kg/Bottle, 5-25kg/Drum
Delivery Time: 5-8 working days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10Ton/Month

CAS 845-10-3 Methyl Red Sodium Salt

Product Name: Methyl Red Sodium Salt Cas No: 845-10-3
EINECS NO: 212-682-9 Molecular Formula: C15H16N3NaO2
Solubility: H2O: Soluble Fusing Point: 178-182 °C
Melting Point: 64.7 °C Density: 0.791
High Light:

CAS 845-10-3 Methyl Red


845-10-3 Methyl Red Sodium Salt

CAS 845-10-3 Methyl Red sodium salt


Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.


R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.

1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
A: We can have a discussion.
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.



1. 90days quality guarantee for exchange.

2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.

3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.


Product Name: Methyl Red sodium salt
Synonyms: S NO 250;MR;P-DIMETHYLAMINOAZOBENZENE-O-CARBOXYLIC ACID;O-(P-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID;O-[[P-(DIMETHYLAMINO)PHENYL]AZO]BENZOIC ACID, SODIUM SALT;Methyl Red, sodium salt, 0.2% w/v Aqueous Solution;Methyl Red, Sodium Salt, Reagent;2-[4-(Dimethylamino)phenylazo]benzoic acid sodium salt, 4-Dimethylaminoazobenzene-2μ-carboxylic acid sodium salt
CAS: 845-10-3
MF: C15H16N3NaO2
MW: 293.3
EINECS: 212-682-9
Product Categories: Azo;Analytical Chemistry;Indicator (pH);pH Indicators;Organics
Mol File: 845-10-3.mol
Methyl Red sodium salt Structure
Melting point 178-182 °C
Boiling point 64.7 °C
density 0.791
Fp 12 °C
storage temp. Store at +5°C to +30°C.
solubility H2O: soluble
form Solid
pka 2.3, 5.0(at 25℃)
Colour Index 13020
color White to yellow or beige, darkening on exposure to light
PH 8.2 (10g/l, H2O, 25℃)
PH Range Red (1.2) to orange (3.4);Red (4.2) to yellow (6.3)
Odor Odorless
Water Solubility Soluble in water. Slightly soluble in ethanol.
λmax 437nm, 410nm, 493nm
BRN 4065488
Stability: Reported to be unstable, but this is probably a mistake on a commercial MSDS sheet. Incompatible with strong oxidizing agents.
Major Application optical fibers, liquid crystal cells, holography, inks, toner, corrosion inhibitor, detergent
CAS DataBase Reference 845-10-3(CAS DataBase Reference)
EPA Substance Registry System Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-, sodium salt (845-10-3)
CAS 845-10-3 Methyl Red Sodium Salt 1



CAS 845-10-3 Methyl Red Sodium Salt 2


CAS 845-10-3 Methyl Red Sodium Salt 3


CAS 845-10-3 Methyl Red Sodium Salt 4


CAS 845-10-3 Methyl Red Sodium Salt 5










Contact Details
Hunan Yunbang Biotech Inc.

Contact Person: Maggie Ma

Tel: +0086 188 7414 9531

Send your inquiry directly to us (0 / 3000)