7783-83-7

Basic information

• Product Name: Ammonium ferric sulfate dodecahydrate
• Synonyms: Ironammoniumsulfate;ironammoniumsulfatedodecahydrate;Sulfuricacid,ammoniumiron(3+)salt(2:1:1),dodecahydrate;ALUM IRON;AMMONIUM IRON(+3)SULFATE 12-WATER;AMMONIUM IRON(III) SULFATE-12-HYDRATE;AMMONIUM IRON(III) SULFATE 12-WATER;AMMONIUM IRON(III) SULFATE DODECAHYDRATE
• CAS NO: 7783-83-7
• Molecular Formula: FeH28NO20S2
• Molecular Weight: 482.19
• EINECS: 233-382-4
• Mol File: 7783-83-7.mol
• Article Data: 0

Chemical Properties

• Melting Point: 39-41 °C(lit.)
• Boiling Point: 230 °C
• Appearance: slightly violet/Solid
• Density: 1.71
• Storage Temp.: Store at RT.
• Solubility: H2O: 1 m at 20 °C, complete, yellow-brown
• Water Solubility: 1240 g/L (25 ºC)
• Merck: 14,521
• CAS DataBase Reference: Ammonium ferric sulfate dodecahydrate(CAS DataBase Reference)
• NIST Chemistry Reference: Ammonium ferric sulfate dodecahydrate(7783-83-7)
• EPA Substance Registry System: Ammonium ferric sulfate dodecahydrate(7783-83-7)

Safety Data

• Hazard Codes: Xi
• Statements: 36/38-36/37/38
• Safety Statements: 26-36/37-24/25-36
• WGK Germany: 3
• RTECS: WS5900000
• F: 3
• TSCA: Yes
• PackingGroup: III
• Hazardous Substances Data: 7783-83-7(Hazardous Substances Data)

Usage

Chemical Properties

slightly grey-purple adhering crystals or powder

Uses

Different sources of media describe the Uses of 7783-83-7 differently. You can refer to the following data:
1. Medicine, analytical chemistry, textile dyeing (mordant).
2. 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.

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+.

InChI:InChI=1/Fe.H3N.H2O4S.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;1H3;(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;/p-1