Ferric Oxide CAS# 1309-37-1
Ferric oxide exists in nature in the form of hematite. It is the main iron ore for producing metals and their alloys. Moreover, this oxide exists in the mineral limonite 2Fe2O3 ?? 3H2O. One important application of this compound involves the production of red, orange, and yellow pigments. Other applications include coatings for metals, steel, and rubber; In the field of ceramics; And as a catalyst for oxidation reactions.
Ferric oxide is synthesized and mainly composed of anhydrous and/or hydrated iron oxide. The color range includes yellow, red, brown, and black. The main difference between food grade iron oxide and industrial grade iron oxide is that the pollution level of other metals is relatively low. This is achieved by selecting and controlling iron sources and/or the degree of chemical purification during the manufacturing process. Iron oxide has been used for coloring fillings and decorations in candies, pastry products, cheese products, fish sauce, pet food, cosmetics, and pharmaceuticals.
Ferric Oxide CAS# 1309-37-1
| Ferric oxide Basic information |
| Physical Properties?Occurrence and Uses?Preparation?Reactions |
| Product Name: | Ferric oxide |
| Synonyms: | Ferric oxide(II,III), magnetic nanoparticles solution;Ferric(III) oxide;Iron(III) oxide, 99% trace metals basis;Iron(III) oxide, 99.9% trace metals basis;Iron(III) oxide, 98% trace metals basis;Iron(III) oxide, 99.95% trace metals basis;Iron(III) oxide, 99.99% trace metals basis;Iron(lll) oxide |
| CAS: | 1309-37-1 |
| MF: | Fe2O3 |
| MW: | 159.69 |
| EINECS: | 215-168-2 |
| Product Categories: | Inorganics;metal oxide |
| Mol File: | 1309-37-1.mol |
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| Ferric oxide Chemical Properties |
| Melting point | 1538??C |
| density | 5.24 |
| Fp | >230???F |
| storage temp. | 2-8??C |
| solubility | It is soluble In Warm Hydrochloric Acid, Slightly Soluble in Sulfuric Acid. |
| form | pieces |
| color | black |
| Specific Gravity | 5.1??5.2 |
| PH | 3.7??0.3 |
| Water Solubility | INSOLUBLE |
| Merck | 14,4028 |
| Exposure limits | ACGIH: TWA 5 mg/m3 OSHA: TWA 10 mg/m3; TWA 15 mg/m3; TWA 5 mg/m3 NIOSH: IDLH 2500 mg/m3; TWA 5 mg/m3 |
| Stability: | Stable. |
| CAS DataBase Reference | 1309-37-1(CAS DataBase Reference) |
| IARC | 3 (Vol. 1, Sup 7) 1987 |
| NIST Chemistry Reference | Iron(iii) oxide(1309-37-1) |
| EPA Substance Registry System | Ferric oxide (1309-37-1) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| OEB | B |
| OEL | TWA: 5 mg/m3 |
| WGK Germany | – |
| RTECS | NO7400000 |
| TSCA | Yes |
| HS Code | 28211000 |
| Hazardous Substances Data | 1309-37-1(Hazardous Substances Data) |
| IDLA | 2,500 mg Fe/m3 |
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