Methyl Red sodium salt
Synonym(s):2-[(4-Dimethylamino)phenylazo]benzoic acid sodium salt, 4-(Dimethylamino)azobenzene-1,2′-carboxylic acidsodium salt;4-Dimethylaminoazobenzene-2′-carboxylic acid sodium salt;Acid Red 2;Methyl red sodium salt (C.I. 13020)
- CAS NO.：845-10-3
- Empirical Formula: C15H16N3NaO2
- Molecular Weight: 293.3
- MDL number: MFCD00002426
- EINECS: 212-682-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-04 15:15:10
What is Methyl Red sodium salt?
Chemical properties
orange powder
The Uses of Methyl Red sodium salt
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.
What are the applications of Application
Methyl Red sodium salt is a dye used for pH detection
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.
Properties of Methyl Red sodium salt
| Melting point: | 178-182 °C |
| Boiling point: | 64.7 °C |
| Density | 0.791 |
| Flash point: | 12 °C |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: soluble |
| pka | 2.3, 5.0(at 25℃) |
| form | Solid |
| 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) |
Safety information for Methyl Red sodium salt
Computed Descriptors for Methyl Red sodium salt
Abamectin manufacturer
Pallav Chemicals And Solvents Pvt Ltd
1Y
Phone:+91-9136093115
Whatsapp: +91- 9136093115
product: 845-10-3 Methyl Red Sodium Salt (water soluble) 99%
ARRAKIS INDUSTRIES LLP
1Y
Phone:+91-7499586750
Whatsapp: +91- 7499586750
product: METHYL RED SODIUM SALT 99%
Anand Agencies
Maharashtra
Phone:91-9075014125
Whatsapp: 91-9075014125
product: Methyl Red sodium salt
New Products
4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Diclofenac Sodium IP/BP/EP/USP Mefenamic Acid IP/BP/EP/USP Ornidazole IP Diclofenac Potassium SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acidRelated products of tetrahydrofuran
You may like
-
Methyl Red sodium salt 845-10-3 98%View Details
845-10-3 -
Methyl Red sodium salt CAS 845-10-3View Details
845-10-3 -
Methyl Red Sodium Salt (water soluble) ACS CAS 845-10-3View Details
845-10-3 -
Methyl Red sodium salt CAS 845-10-3View Details
845-10-3 -
Methyl red sodium salt CAS 845-10-3View Details
845-10-3 -
Methyl Red Sodium Salt CAS 845-10-3View Details
845-10-3 -
Methyl Red Sodium Salt (water soluble) ACS CAS 845-10-3View Details
845-10-3 -
METHYL RED SODIUM SALT CAS 845-10-3View Details
845-10-3
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.