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| CAS No.: | 1309-38-2 |
|---|---|
| Name: | Iron oxide black |
| Molecular Structure: | |
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|
|
| Formula: | Fe3O4 |
| Molecular Weight: | 231.54 |
| Synonyms: | Magnetite;Magnetite (Fe3O4);Black Gold F 89;Black Iron BM;CCRIS 4376;Code 7228;EPT 500;Feraheme;H 3S;Iron Black;KN 320;Magnetic Black;Magnetic oxide;Meramec M 25;RB-BL;Triiron tetraoxide;UNII-CLH5FT6412;11557 Black;Ferumoxytol; |
| EINECS: | 215-169-8 |
| Density: | 4.8-5.1 g/mL at 25 °C(lit.) |
| Melting Point: | 1538 °C(lit.) |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36/37/39 |
| PSA: | 52.60000 |
| LogP: | -0.38190 |
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Chemistry
Systematic Name: Bis(Oxoferriooxy)iron
Synonyms of Iron oxide black (CAS NO.1309-38-2): Magnetic Black ; Magnetic oxide ; Triiron tetraoxide ; Iron(II,III) oxide
CAS NO: 1309-38-2
Molecular Formula: Fe3O4
Molecular Weight: 231.5326
Molecular Structure: .png)
EINECS: 235-442-5
H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 4
Polar Surface Area: 52.6 Å2
Melting Point: 1538 °C(lit.)
Density: 4.8-5.1 g/mL at 25 °C(lit.)
Appearance: Black or dark red powder.
Solubility: Insoluble in water, alcohol, soluble in strong acid, hot acid.
SMILES: O=[Fe]O[Fe]O[Fe]=O
InChI: InChI=1/3Fe.4O/rFe3O4/c4-1-6-3-7-2-5
InChIKey: SZVJSHCCFOBDDC-ANEJRGPMAJ
Std. InChI: InChI=1S/3Fe.4O
Std. InChIKey: SZVJSHCCFOBDDC-UHFFFAOYSA-N
Product Categories of Iron oxide black (CAS NO.1309-38-2): INORGANIC & ORGANIC CHEMICALS;UVCBs-inorganic;Inorganics
Uses
Iron oxide black(CAS NO.1309-38-2) is used for an inorganic black pigments. It can be widely used in ink, watercolor, oil paints, paint, building coating, building materials coloring. Besides it is also used for the manufacture of magnets electronic telecommunications industry , and mineral raw materials in the metallurgical industry.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
TSCA: Yes
Mixtures with aluminum + calcium silicide + sodium nitrate may explode if ignited. Mixtures with aluminum + sulfur react violently if heated. Ignites on contact with hydrogen trisulfide. See also IRON and IRON COMPOUNDS.