METHYL RED ACS GRADE excellent quality manufacturer, exporter and supplier.
Technical specifications
C.A.S. No.
493-52-7
CI NO.
13020
M.F.
C15H15N3O2
M.W.
269.31gm/mole
Specifications:
Dye Content (by Spectrophotometry)
>95%
Transition Range
pH 4.2-6.2
Pink-Yellow
Solubility 0.1% (95% EtOH)
Clear solution
Absorption maximum (pH 4.2) ?1max
523-526nm
Absorption maximum (pH 6.2) ?2max
430-434nm
Absorptivity (A1%/1cm at pH 4.2 at ?1max)
1300-1400
Absorptivity (A1%/1cm at pH 6.2 at ?2max)
700-800
Loss On Drying (110°C)
<3%
Characteristics and notes
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%
:
Availability
METHYL RED ACS GRADE manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai, Sharjah, UAE, Gulf, Middle East, Muscat Oman, Kenya Africa. Get the best quality of METHYL RED ACS GRADE at a competitive price from us. We have ready stock of METHYL RED ACS GRADE in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.