Appearance:Reddish-violet Solid
Throughput:100|Kilogram|Month
pd_productuse:reagent
Delivery Time:large stock
Purity:99% purity
Methyl Red Chemical Properties
Melting point 179-182 °C (lit.)
Boiling point 412.44°C (rough estimate)
density 0.839 g/mL at 25 °C
vapor density 9.3 (vs air)
refractive index 1.5930 (estimate)
Fp 11 °C
storage temp. −20°C
solubility ethanol: soluble1mg/mL
Colour Index 13020
form Solid
pka 4.95(at 25℃)
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.
λmax 410nm, 530nm, 427nm, 519nm
Merck 14,6119
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)
Safety Information
Hazard Codes Xn,T,F,Xi,C,N
Risk Statements 10-20/21/22-68/20/21/22-68-36/38-23/25-11-36/37/38-34-51/53-39/23/24/25-23/24/25
Safety Statements 36/37-24/25-22-45-33-24-16-7-36-26-36/37/39-61
RIDADR UN 1170 3/PG 2
WGK Germany 1
RTECS DG8960000
TSCA Yes
HazardClass 3
PackingGroup II
HS Code 29270000
Hazardous Substances Data 493-52-7(Hazardous Substances Data)
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