| Identification | More | [Name]
Ammonium ferric sulfate dodecahydrate | [CAS]
7783-83-7 | [Synonyms]
ALUM IRON
AMMONIUM FERRIC SULFATE
AMMONIUM FERRIC SULFATE DODECAHYDRATE
AMMONIUM FERRIC SULPHATE 12-HYDRATE
AMMONIUM FERRIC SULPHATE 24H2O
AMMONIUM FERRIC SULPHATE DODECAHYDRATE
AMMONIUM IRON(+3)SULFATE 12-WATER
AMMONIUM IRON(III) SULFATE
AMMONIUM IRON(III) SULFATE-12-HYDRATE
AMMONIUM IRON(III) SULFATE 12-WATER
AMMONIUM IRON(III) SULFATE DODECAHYDRATE
AMMONIUM IRON(III) SULPHATE 12-HYDRATE
AMMONIUM IRON(III) SULPHATE DODECAHYDRATE
FERRIC AMMONIUM ALUM
FERRIC AMMONIUM SULFATE
FERRIC AMMONIUM SULFATE 12 H2O
FERRIC AMMONIUM SULFATE, 12-HYDRATE
FERRIC AMMONIUM SULFATE, DODECAHYDRATE
IRON(+3)AMMONIUM SULFATE 12-WATER
IRON ALUM | [EINECS(EC#)]
233-382-4 | [Molecular Formula]
FeH28NO20S2 | [MDL Number]
MFCD00150004 | [Molecular Weight]
482.19 | [MOL File]
7783-83-7.mol |
| Chemical Properties | Back Directory | [Appearance]
slightly grey-purple adhering crystals or powder | [Melting point ]
39-41 °C(lit.) | [Boiling point ]
230 °C | [density ]
1.71
| [storage temp. ]
Store at RT. | [solubility ]
H2O: 1 m at 20 °C, complete, yellow-brown to red brown
| [form ]
Solid | [color ]
slightly violet | [Specific Gravity]
1.71 | [Odor]
Odorless | [PH]
1.8 (100g/l, H2O, 20℃) | [PH Range]
1 | [Water Solubility ]
1240 g/L (25 ºC) | [Merck ]
14,521 | [Exposure limits]
ACGIH: TWA 1 mg/m3
NIOSH: TWA 1 mg/m3 | [LogP]
-1.031 (est) | [Uses]
Medicine, analytical chemistry, textile dyeing
(mordant). | [CAS DataBase Reference]
7783-83-7(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/38:Irritating to eyes and skin .
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [RTECS ]
WS5900000
| [F ]
3 | [TSCA ]
Yes | [PackingGroup ]
III | [HS Code ]
28333000 |
| Hazard Information | Back Directory | [Chemical Properties]
slightly grey-purple adhering crystals or powder | [Definition]
Ferric alum: One of the alums,K2SO4.Fe2(SO4)3.24H2O, in which thealuminium ion Al3+ is replaced bythe iron(III) (ferric) ion Fe3+. | [Purification Methods]
Crystallise it from aqueous ethanol. |
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