Ammonium iron(III) sulfate dodecahydrate
Ammonium iron(III) sulfate dodecahydrate
CAS: 7783-83-7
Molecular Formula: FeH28NO20S2
Ammonium iron(III) sulfate dodecahydrate - Names and Identifiers
| Name | Ammonium iron(III) sulfate dodecahydrate |
| Synonyms | ALUM IRON Ironammoniumsulfate ironammoniumsulfatedodecahydrate AMMONIUM IRON(+3)SULFATE 12-WATER AMMONIUM IRON(III) SULFATE 12-WATER ammonium ferric sulfate dodecahydrate Ferric ammonium sulfate dodecahydrate AMMONIUM IRON(III) SULFATE-12-HYDRATE Ammonium iron(III) sulfate dodecahydrate AMMONIUM IRON(III)SULFATE-12- HYDRATE R. G., REAG. ACS, |
| CAS | 7783-83-7 |
| EINECS | 616-517-5 |
| 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 |
Ammonium iron(III) sulfate dodecahydrate - Physico-chemical Properties
| Molecular Formula | FeH28NO20S2 |
| Molar Mass | 482.19 |
| Density | 1.71 |
| Melting Point | 39-41°C(lit.) |
| Boling Point | 230 °C |
| Water Solubility | 1240 g/L (25 ºC) |
| Solubility | Easily soluble in water, almost insoluble in alcohol. |
| Appearance | Ash-like-purple crystals |
| Specific Gravity | 1.71 |
| Color | slightly violet |
| Odor | Odorless |
| Exposure Limit | ACGIH: TWA 1 mg/m3NIOSH: TWA 1 mg/m3 |
| Merck | 14,521 |
| PH | 1.8 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +15°C. |
| Sensitive | Sensitive to light |
| MDL | MFCD00150004 |
| Use | Indicator for determination of halogen, silver method indicator, mordant, determination of iron content of soda ash in nitrogen fertilizer production, analysis of cyanide in metal salt solution, and high iron standard. |
Ammonium iron(III) sulfate dodecahydrate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/38 - Irritating to eyes and skin. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 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 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 28333000 |
| Packing Group | III |
Ammonium iron(III) sulfate dodecahydrate - Reference
| Reference Show more | 1. [IF=4.821] Ting Wang et al."Development and application of a shipboard method for spectrophotometric determination of nanomolar dissolved sulfide in estuarine surface waters using reverse flow injection analysis coupled with a long path length liquid waveguide capil 2. [IF=5.875] Yutong Wang et al."Extra virgin olive oil-based phospholipid complex/self-microemulsion enhances oral absorption of salvianolic acid B through inhibition of catechol-O-methyltransferase-mediated metabolism."Int J Pharmaceut. 2022 Jan;611:121330 |
Ammonium iron(III) sulfate dodecahydrate - Introduction
No smell, astringent sour taste. It's weathering. The pH of 0-1mol/L aqueous solution is 2.5. 12 molecules of crystal water were lost at 230 ℃. It's irritating.
Last Update：2022-10-16 17:28:45
Ammonium iron(III) sulfate dodecahydrate - Reference Information
| pH range | 1 |
| Overview | Iron ammonium alum chemical formula (NH4)2SO4 · Fe2(SO4)3 · 24H2O, I .e., ammonium ferric sulfate. Colorless or light purple crystals, density 1.71g/cm3. Water of crystallization was lost at 230 °c. Soluble in water, insoluble in ethanol. Used as a chemical reagent and mordant. It is prepared by mixing ferric sulfate with ammonium sulfate solution, concentrating and crystallizing. |
| Use | determination of halogen indicator, Silver method indicator, mordant, determination of iron content in Soda Ash in the production of nitrogen fertilizer, analysis of metal salt solution of cyanide, with high iron standard. |
Last Update：2024-04-10 22:29:15
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