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MANGANESE (II) CHLORIDE TETRAHYDRATE , 99% (metals basis)

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Article No. 4504C Grade
Purity CAS No. 13446-34-9
Molecular Formula MnCl2.4H2O Molecular Weight 197.90
H.S. Code 2827.3990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Pink
Odour Odorless pH value 4 - 6
Melting point/ Freezing point [°C] 58 °C Boiling point [°C] 198°C
Density [g/cm3] 2.01 Solubility in water [% weight] 99 g/l at 20 °C - completely soluble

Specifications

Appearance (Color) Pink Appearance (Form) Crystals
Assay (Titration ex Chloride) 98 - 101% pH (5% solution; 25°C) 3.5 – 6.0
Total metallic impurities =<1% Heavy metals (as Pb) =<10 ppm
Zinc (Zn) =<100 ppm Iron (Fe) =<100 ppm
Calcium (Ca) =<100 ppm Magnesium (Mg) =<100 ppm
Potassium (K) =<100 ppm Sodium (Na) =<100 ppm
Sulphate (SO4) =<0.2% Insoluble matter 0.005% max

Safety Information and Hazard Symbols

Skull and Crossbones Corrosion Health Hazard
Symbol: GHS06,GHS08,GHS05
 Signal Word: Danger
 UN No.: 3288
 IMCO Class No.: 6.1
 Packing Group: III
 Hazardous Statement: H301,H318,H373
 Precaution Statement: P260 - P264 - P280 - P301 + P310 - P305 + P351 + P338 - P314
Revision Date: 04-Jun-2026

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