식별자 및 물리적 특성
| CAS No. | 13864-01-2 |
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| 분자식 | La |
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| 평균 분자량 | 138.9055 g/mol |
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| 단동위원소 질량 | 138.9063533 g/mol |
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| SMILES | [La] |
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| InChIKey | FZLIPJUXYLNCLC-UHFFFAOYSA-N |
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| PubChem CID | 23926 |
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| ChEBI | CHEBI:37317 |
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| EC No. | 231-099-0 |
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| DTXSID | DTXSID0064676 |
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화학 및 물리적 성질
| 극성 표면적 | 0 |
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| 수소 결합 공여자 수 | 0 |
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| 수소 결합 수용자 수 | 0 |
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| 회전 가능 결합 수 | 0 |
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| 무거운 원자 수 | 1 |
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| 형식 전하 | 0 |
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| 복잡도 | 0 |
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| 물질 분류 | Metals -> Rare Earth Metals |
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| SpringerMaterials Properties | electron density of states |
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| 밀도 | 6.166 @25 °C |
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| 끓는 점 | 3464 °C @760 [mm Hg] |
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| 녹는점 | 920 °C |
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| Physical Description | Other SolidWhite, malleable metal that oxidizes in air[Merck Index]Liquid |
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안전 및 규제
| GHS 분류 | This chemical does not meet GHS hazard criteria for 58.9% (146 of 248) of all reports.DangerH228 (23.4%): Flammable solid [Danger Flammable solids]P210, P223, P231+P232, P240, P241, P280, P302+P335+P334, P370+P378, P402+P404, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 248 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
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| 규제 정보 | Chemical: LanthanumLanthanum is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Lanthanum are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 23-03-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/5925Lanthanum: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right. |
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| 유해성 요약 | Low to moderate acute toxicity rating[Reference #1] A printer and a movie projectionist exposed to rare earth metals in dusts of cored carbon arc lamps retained lanthanum in their lungs. Side effects (not dose dependent) of the drug lanthanum carbonate include diarrhea, vomiting, and abdominal pain. No liver toxicity has been reported. [Nordberg, p. 906-7] See RARE EARTH METALS and linked occupational diseases. |
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| Hazard Classes and Categories | Flam. Sol. 1 (23.4%) |
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| Protective Action Criteria (PAC) | 30 [mg/m3]330 [mg/m3]2000 [mg/m3] |
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| 유해 작용 | Fibrogenic - Inducing tissue injury and fibrosis (scarring). |
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| RAIS Toxicity Values | 5e-05PPRTV Current |
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| EPA Provisional Peer-Reviewed Toxicity Values | Lanthanum5 x 10^-5 mg/kg-dayPDF DocumentInadequate information to assess carcinogenic potential2018 |
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| Hazard Quotient Level 0.1 or Cancer Risk Level 1E-06 | 3.90e+005.80e+011.00e+005.00e+015e-05Volatile |
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| Hazard Quotient Level 3 or Cancer Risk Level 1E-04 | 1.20e+011.80e+023.00e+005.00e+015e-05Volatile |
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| 신호 어 | Danger |
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| 유해·위험 문구 | 암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드 H228 |
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