Lanthanum oxide Grade AR is an oxide of lanthanum and is a white powder at room temperature. Lanthanum oxide is soluble in acid to form lanthanum salts.CAS 1312-81-8 EC 215-200-5| Chemical Reagents net

Is a white solid compound, mainly used in the manufacture of catalysts, electronic materials, ceramics and optical glass.

It is extremely slightly soluble and reacts with oxygen to form lanthanum oxide in chemical reactions.

General Information

Name: Lanthanum Oxide
EC Number: 215-200-5
CAS Number: 1312-81-8
MDL Number: MFCD00011071
Molecular Formula: La2O3
Molecular Weight: 325.82

Brand: KeShi
Packaging: 100g × 20 bottles/case

Physical Properties

Appearance: White solid
Density: Approximately 6.51 g/cm³
Melting Point: Approximately 2305 °C

Chemical Properties

Solubility: Slightly soluble in water

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Quality inspection report

| Product Name        | Lanthanum Oxide             |
| Specification       | Analytical Grade            |
| Batch Number        | 2022112503                  |
| Molecular Formula   | La2O3                       |
| Molecular Weight    | 325.82                      |
| Batch Size          | 450kg                       |
| Testing Unit        | Production Department       |
| Sample Category     | Inorganic                   |
| Report Date         | November 26, 2022           |
| Testing Standard    | Q/CDKLHX0808-2016A          |

| Test Item           | Standard Requirement        | Test Result     |
|---------------------|-----------------------------|-----------------|
| Content, %          | ≥98.0                       | 98.1            |
| Appearance          | Nearly white amorphous powder| Nearly white amorphous powder |
| Nitric Acid Dissolution Test | Pass               | Pass            |
| Sulfate (SO4), %    | ≤0.02                       | ＜0.02           |
| Iron (Fe), %        | ≤0.005                      | ＜0.005          |
| Cerium Salt (as CeO2), % | ≤0.4                    | 0.3             |
| Heavy Metals (as Pb), % | ≤0.0005                 | ＜0.0005         |
| Ammonium Hydroxide Non-Precipitate, % | ≤0.25    | 0.13            |

Analysis Conclusion:
Meets the requirements of Q/CDKLHX0808-2016A for Analytical Grade.

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