Methyl Red Cas 493-52-7

Methyl infrared appears as glossy purple crystals or reddish brown powder. Melting point 180-182 ℃. Easy to dissolve in ethanol and glacial acetic acid, almost insoluble in water.

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Model:
493-52-7
Brand:
bosschemical
Code:
493-52-7

Product Description

Methyl Red Basic information
Product Name:	Methyl Red
CAS:	493-52-7
MF:	C15H15N3O2
MW:	269.3
EINECS:	207-776-1
Mol File:	493-52-7.mol
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)
Water Solubility	Practically insoluble in water. Soluble in alcohol, acetic acidSoluble in ethanol. Insoluble in water.
ε(extinction coefficient)	≥10000 at 282-288nm in methanol
	≥20000 at 509-519nm in methanol
	≥7000 at 329-335nm in methanol
λmax	410nm, 530nm, 427nm, 519nm
Merck	146,119
BRN	750102
Stability:	Stable. Incompatible with strong oxidizing agents.
Major Application	Waveguides, LED sensors, photoresists, liquid crystals, sol-gel matrix, optical sensors, paints, toys, detection of thiols, food freshness sensors, dental product, saliva sampling method, detecting lactic acid, carbohydrates
InChIKey	CEQFOVLGLXCDCX-MSUUIHNZSA-N
CAS DataBase Reference	493-52-7
IARC	3 (Vol. 8, Sup 7) 1987
NIST Chemistry Reference	Benzoic acid, 2-[[4-(dimethylamino)phenyl]azo]-(493-52-7)
EPA Substance Registry System	Methyl red (493-52-7)

Acid-base indicator Biological stain Redox indicator

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis