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H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
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CAS 7783-83-7
Potassium aluminium sulfate dodecahydrate
Fur dressing and dyeing
Ferric ammonium sulfate dodecahydrate, also known as ammonium iron(III) sulfate or iron alum, is a double salt that crystallizes as weakly violet octahedral crystals. It is commonly used as an industrial alum in applications such as water purification and textile dyeing.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for Ferric ammonium sulfate dodecahydrate (CAS 7783-83-7) is 2833.30.
2833.30
2833 30 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
azanium;iron(3+);disulfate;dodecahydrate
LCPUDZUWZDSKMX-UHFFFAOYSA-K
[NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3]
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