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AMMONIUM FERRIC SULPHATE DODECAHYDRATE AR/ACS

Ammonium iron (III) sulphate dodecahydrate

COAs

Packings

500 g (00500)

25 Kg (0025K)

50 Kg (0050K)

1PDL00030K 1PDLP0065K
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Article No. 01180 Grade AR/ACS
Purity 98.5% CAS No. 7783-83-7
Molecular Formula NH4Fe(SO4)2.12H2O Molecular Weight 482.19
H.S. Code 2833.2990 Shelf Life 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 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

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H315-H319
 Precaution Statement: P305 + P351 + P338
Revision Date: 04-Oct-2022

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