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Home Chemnovo Complexometric Indicators Calmagite Indicator AR
00667
Calmagite Indicator AR
Indicator for the titration of calcium plus magnesium with EDTA 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid; 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonic acid
Molecular Formula : C17H14N2O5S
Molecular Weight : 358.37
Physical state at 20 °C
Solid |
Colour
Brownish black powder |
Odour
Phenolic odor |
Melting point/ Freezing point [°C]
330 °C |
Solubility in water [% weight]
Soluble in water |
Appearance
Brownish black crystalline powder |
Suitability (as indicator)
Passes test |
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338