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DIMETHYL YELLOW pH Indicator grade

Product Code: 03430


Specifications

Appearance Yellow to orange brown powder
Melting point 110 - 116°C
Transition range pH 2.9 to pH 4.0 Red to yellow
Appearance of solution 0.1% solution in ethanol is clear
Absorption maxima in ethanol 403 - 407 nm
Specific absorptivity A 1%/1cm (λmax; 0.005%; ethanol; calculated on dried substance) 1100 - 1300
Loss on drying (40°C; 1 hpa) Max. 5.0%

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