HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ammonium ferric sulfate dodecahydrate
FERRIC AMMONIUM SULFATE · AMMONIUM FERRIC SULFATE · FERRIC AMMONIUM ALUM · ALUM IRON · IRON ALUM · CID 16211144 · IRON(III) AMMONIUM · Ironammoniumsulfate
Identifiers & Physical Properties
| CAS No. | 7783-83-7 |
|---|---|
| Molecular formula | FeH28NO20S2 |
| Average molar mass | 482.2 g/mol |
| Monoisotopic mass | 481.9995468 g/mol |
| SMILES | O.O.O.O.O.O.O.O.O.O.O.O.O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[Fe+3].[NH4+] |
| InChIKey | LCPUDZUWZDSKMX-UHFFFAOYSA-K |
| PubChem CID | 197097 |
| EC No. | 616-517-5 |
| DTXSID | DTXSID30228452 |
Chemical & Physical Properties
| Topological polar surface area | 190 |
|---|---|
| Hydrogen bond donors | 13 |
| Hydrogen bond acceptors | 20 |
| Rotatable bonds | 0 |
| Heavy atoms | 24 |
| Formal charge | 0 |
| Complexity | 62.2 |
| Density | 1.71 @25 °C |
| Melting point | 39-41 °C(lit.) |
| Boiling point | 230 °C |
| Bulk density | 750kg/m3 |
| Storage conditions | Store below +15°C. |
| Solubility | H2O: 1 m at 20 °C, complete, yellow-brown to red brown1240 g/L (25 ºC) |
| Physical state | Solid |
| Specific gravity | 1.71 |
| Color | slightly violet |
| pH | 1.8 (100g/l, H2O, 20℃) |
| Odor | Odorless |
| PH Range | 1 |
| Merck | 14,521 |
| Exposure limits | ACGIH: TWA 1 mg/m3NIOSH: TWA 1 mg/m3 |
| InChI | 1S/Fe.H3N.2H2O4S.12H2O/c2*1-5(2,3)4/h1H32*(H2,1,2,3,4)12*1H2/q+3/p-3 |
| InChIKey | LCPUDZUWZDSKMX-UHFFFAOYSA-K |
| SMILES | N.O.O.O.O.O.O.O.O.O.O.O.O.[Fe+3].OS([O-])(=O)=O.[O-]S([O-])(=O)=O |
| LogP (partition coefficient) | -1.031 (est) |
| CAS DataBase Reference | 7783-83-7(CAS DataBase Reference) |
| REACH Annex XVII Substances List | Ammonium Iron(II) Sulfate dodecahydrate (7783-83-7) |
| FDA UNII | 65390568Z5 |
| UNSPSC Code | 12352302 |
| NACRES | NB.24 |
| GHS pictogram | GHS05 |
| Signal word | Danger |
| GHS hazard statements | H318 |
| GHS precautionary statements | P280-P305+P351+P338 |
| Personal protective equipment (PPE) | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard symbols | Xi |
| Risk statements (R) | 36/38-36/37/38 |
| Safety statements (S) | 26-36/37-24/25-36 |
| Water hazard class (WGK) | 3 |
| RTECS number | WS5900000 |
| F | 3 |
| TSCA inventory status | Yes |
| Packing group | III |
| Customs code | 28333000 |
| Storage class | 13 - Non Combustible Solids |
| Hazard class | Eye Dam. 1 |
Safety & Regulations
| GHS classification | DangerH315 (29.3%): Causes skin irritation [Warning Skin corrosion/irritation]P264, P264+P265, P280, P302+P352, P305+P351+P338, P305+P354+P338, P317, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement)Aggregated GHS information provided per 147 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatory information | Chemical: Sulfuric acid, ammonium iron(3+) salt (2:1:1), dodecahydrateRestricted substance: Ammonium Iron(II) Sulfate dodecahydrateAmmonium iron (III) sulphate dodecahydrate: Does not have an individual approval but may be used under an appropriate group standard |
| Other safety information | IMAP assessments - Sulfuric acid, ammonium iron(3+) salt (2:1:1), dodecahydrate: Human health tier I assessment |
| Hazard Classes and Categories | Skin Irrit. 2 (29.3%) |
| Protective Action Criteria (PAC) | 26 [mg/m3]280 [mg/m3]1700 [mg/m3] |
| F | 3 |
| Personal protective equipment (PPE) | dust mask type N95 (US), Eyeshields, Gloves |
| Water hazard class (WGK) | 3 |
| TSCA inventory status | Yes |
| RTECS number | WS5900000 |
| Customs code | 28333000 |
| Risk statements (R) | 36/38-36/37/38 |
| Signal word | Danger |
| GHS pictogram | GHS05 |
| Hazard symbols | Xi |
| Safety statements (S) | 26-36/37-24/25-36 |
| Storage class | 13 - Non Combustible Solids |
| Packing group | III |
| GHS hazard statements | H318 |
| Hazard class | Eye Dam. 1 |
| GHS precautionary statements | P280-P305+P351+P338 |
Applications & Uses
Uses
Medicine, analytical chemistry, textile dyeing (mordant).
Uses
Ammonium ferric sulfate dodecahydrate may be used as a catalyst to synthesize:Isoamyl acetate from acetic acid and isoamyl alcohol.2-Amino-5-(5-nitro-2-thienyl)-1,3,4-thiadiazole from 5-nitrothiophene-2-carboxaldehyde thiosemicarbazone via oxidative cyclization.