Home Chemnovo Inorganic Salts Ammonium Ferric Sulphate Dodecahydrate 98.5% AR
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Ammonium Ferric Sulphate Dodecahydrate 98.5% AR
Ammonium iron (III) sulphate dodecahydrate ; (Ferric Alum)
CAS : 7783-83-7
HS Code : 2833.29900
Molecular Formula : NH4Fe(SO4)2.12H2O
Molecular Weight : 482.19
MSDS
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 |
Specification
Appearance
Pale violet crystals |
Assay (iodometric)
98.5 - 102% |
Insoluble matter
Max 0.01% |
Chloride (Cl)
Max 0.001% |
Ferrous ion (Fe2+)
Passes test (about 0.001%) |
Nitrate (NO3)
Max 0.01% |
Calcium (Ca)
Max 0.01% |
Magnesium (Mg)
Max 0.005% |
Potassium (K)
Max 0.005% |
Sodium (Na)
Max 0.02% |
Copper (Cu)
Max 0.003% |
Zinc (Zn)
Max 0.003% |
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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Ammonium Ferric Sulphate Dodecahydrate 98.5% AR
| Pack Size | Quantity |
|---|---|
| 2500 ml | 3 |
| 500 ml | 2 |