| Type: | Pharmaceutical Intermediates |
|---|---|
| Appearance: | Powder |
| Quality: | Refined |
| CAS No.: | 845-10-3 |
| Formula: | C15h16n3nao2 |
| Einecs: | 212-682-9 |
| Samples: |
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| Customization: |
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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.
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;Organics;Indicator (pH);pH Indicators |
| Mol File: | 845-10-3.mol |
| 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 25ºC) |
| Colour Index | 13020 |
| color | White to yellow or beige, darkening on exposure to light |
| Odor | Odorless |
| PH | 8.2 (10g/l, H2O, 25ºC) |
| PH Range | Red (1.2) to orange (3.4);Red (4.2) to yellow (6.3) |
| 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) |
| Hazard Codes | Xn,C,F |
| Risk Statements | 40-34-11 |
| Safety Statements | 36/37-24/25-45-36/37/39-26-16 |
| RIDADR | UN 1170 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29270000 |
| Chemical Properties | orange powder |
| Uses | Methyl Red sodium salt is used as a pH indicator. In microbiology, it is used to make agar plates in bacteriology. Further, it is used as a coloring agent and also finds use in mouthwash, toothpaste and in cosmetics. It is also employed as a rocket propellant. In addition to this, it is used in the preparation of reversible stain for rapid detection of stained cells in each specimen. |
| General Description | Methyl red sodium salt is the sodium salt of methyl red synthetic dye, which belongs to the azo group of dyes. |
| Biochem/physiol Actions | Methyl Red is a pH indicator and it changes color at a pH of 5.5. |
| Purification Methods | It can be precipitated from aqueous solution as the free acid which is recrystallised from 95% EtOH, then reconverted to the sodium salt. In H2O it is pink at pH 4.2 and yellow at pH 6.2 and has at 437nm. |
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