FERRIC AMMONIUM SULPHATE AR (DODECAHYDRATE)

FERRIC AMMONIUM SULPHATE AR (DODECAHYDRATE)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
F0096705000 AR 98.5% 7783-83-7 NH4Fe(SO4)2.12H2O 482.19 2833.2990
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Pale violet crystals

Odour

Odorless

pH value

1

Melting Point/ Freezing point [°C]

39 - 41 °C

Density [g/cm3]

1.71

Solubility in water [% weight]

482.2 g/l at 20 °C

Specifications

Appearance:

 Pale violet crystals

Insoluble matter:

 Max 0.01%

Chloride (Cl):

 Max 0.001%

Sodium (Na):

 Max 0.02%

Copper (Cu):

 Max 0.003%

Calcium (Ca):

 Max 0.01%

Magnesium (Mg):

 Max 0.005%

Nitrate (NO3):

 Max 0.01%

Potassium (K):

 Max 0.005%

Assay (iodometric):

 98.5 - 102%

Zinc (Zn):

 Max 0.003%

Ferrous ion (Fe2+):

 Passes test (about 0.001%)

Substance not precepitated by NH3 (as SO4):

 Max 0.05%

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319
Precaution Statement: P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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