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Methyl Red CAS 493-52-78
  • CAS:

    493-52-78
  • Moleküler formülü:

    C15H15N3O2
  • Kalite standardı:

    98%
  • Ambalaj:

    25kg/bag
  • Mininmum sipariş:

    25kg
  • Price inquiry:

    sales@tnjchem.com
  • Manufacturer:

    TNJ Chemical

Şimdi başvurun

  • Ürün ayrıntıları

TNJ Chemical produces super quality Methyl Red CAS 493-52-7 - 98.0%MIN assay, GMP SGS certification, USP BP EP FCC standard, Competitive price, online purchase support. To buy Methyl Red CAS 493-52-7, please contact sales@tnjchem.com


Chemical Name: Methyl Red

CAS NO.: 493-52-7

Molecular Formula: C15H15N3O2

Molecular Weight: 269.3

Appearance: A glossy purplish crystal or reddish-brown powder

Assay: ≥98%

 

Application

This product is Live protozoan staining; acid-base indicator, pH change range from 4.4 (red) to 6.2 (yellow); titration of ammonia, weak organic bases and alkaloids; Chemicalbook can be combined with bromocresol green and methylene blue to form a mixed indicator to shorten the color range And improve the sensitivity of discoloration; adsorption indicator for precipitation titration etc.

 

Specification

Item

Specifications

maximum absorption wavelength,λ1
(PH4.5),nm

523~528

λ2(PH6.2),nm

427~437

Mass absorption coefficient,λ1
(PH4.5),L/(cm·g) ≥

130

λ2(PH6.2),L/(cm·g) ≥

70

PH domain color

4.5 (red) to 6.2 (yellow)

Ethanol dissolution test

Qualified

Loss on drying≤

1

Residue on ignition (Sulfate)≤

0.2

 

Packing

25kg per bag


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