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 |
523~528 |
λ2(PH6.2),nm |
427~437 |
Mass absorption coefficient,λ1 |
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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