dvr METHYL RED SODIUM SALT ACS GRADE

METHYL RED SODIUM SALT ACS GRADE excellent quality manufacturer, exporter and supplier. Methyl Red Sodium Salt ACS Grade is a pH indicator or indicator dye. It works by turning red for pH levels under 4.4 and yellow over 6.2. It becomes orange with a varying spectrum of shade intensities between those two levels. It comes in the form of a rich red crystalline powder.

Technical Specifications:
C.A.S. No. 845-10-3
CI NO. 13020
M.F. C15H14N3O2Na
M.W. 291.29gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1%(Dist. water) Clear solution
Transition Range pH 4.5-6.2
  Violet red- Brownish Yellow
Absorption maximum (Dist. water) ?max 430-440nm
Absorptivity (A1%/1cm in Dist. water) at ?max >580
Loss On Drying (110°C) <5%

Note: This article uses material from the http://rxmarine.com/