Product Short Description:
Methyl Red ACS
Product Description:
Product Application:
Products
:
Methyl Red ACS Reag Ph. Eur , pH indicator
C.I. No.
:
13020
C15H 15N3O2
:
M.W. 269.30
Absorption maxima
:
1 (pH 4.5)
:
523-526 nm
2 (pH 6.2)
:
427-437nm
Clarity of alcohol solution
:
passes test
:
Absorptivity (on dried sub.)
:
(A 1 % 1cm at 1max pH 4.5)
:
1330 -1430
(A1 %1cm at 2max ph 6.2)
:
700 - 800
Visual transition
:
From pH 4.2 pink
interval
:
to pH 5.5 orange
:
to pH 6.2 yellow
Melting point
:
179 -182 oC
Loss on drying (at 1100C)
:
Max. 5.0%
:
