Products / pH Indicators

METHYL RED SODIUM SALT (ACS GRADE) Print Download

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%
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