Calmagite 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

Product Code.
00667
Grade
Purity
CAS No.
3147-14-6
Molecular Formula
C17H14N2O5S
Molecular Weight
358.37
H.S.Code
2927.00900
Shelf Life
60 Months

Physical Properties

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

Packaging

Specification

Appearance
Brownish black crystalline powder
Suitability (as indicator)
Passes test

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338