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Methyl Red IND Grade Reagent

Cas Number:493-52-7
Formula: C15H15N3O2
Molar Mass:269.3
EC Number:207-776-1

Quantity:
  • IND
  • LABOR
  • 402902125

Methyl Red IND Grade Reagent


Cas Number:493-52-7

Formula: C15H15N3O2

Molar Mass:269.3

EC Number:207-776-1


Properties:

Reddish brown powder. It is soluble in ethanol, and almost insoluble in water.


Usage:

Acid-base indicator, pH color change range 2.0 (red) ~ 4.0 (yellow).


Packing:

500g/25kg





Item of Analysis

Standard

pH discoloration domain

4.5(Red)~6.2(Yellow)

Loss on drying,%

1.0 max

Residue on ignition(as SO4) ,%

0.2 max

Solubility in ethanol

to pass test

Greatest absorption wavelength(λ1,pH4.5))/nm

523~528

Greatest absorption wavelength(λ2,pH6.2))/nm

427~437

Mass absorption coefficient(λ1,pH4.5 )/(L/cm·g)

130 min

Mass absorption coefficient(λ2,pH6.2)/(L/cm·g)

70 min



Not a hazardous substance or mixture.


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