우라늄
한글명:우라늄
카스 번호7440-61-1
상품명:URANIUM
CBNumberCB4360038
분자식U
포뮬러 무게238.03
MOL 파일7440-61-1.mol
동의어(한글)
우라늄
우라늄, 원소
화학적 성질
| 녹는점 | 314-316°C (dec.) |
| 끓는 점 | 4160.06°C (estimate) |
| 밀도 | 1.01 g/mL at 25 °C |
| 저장 조건 | Refrigerator |
| 용해도 | 알칼리성 용액에 용해됨(약간 용해됨) |
| 물리적 상태 | 은백색의 사방정계 결정 |
| 색상 | 옅은 갈색 |
| EPA | Uranium (7440-61-1) |
| 위험품 표기 | T+ |
| 위험 카페고리 넘버 | 20-34-53-33-26/28 |
| 안전지침서 | 26-36/37/39-45-61-20/21 |
| 유엔번호(UN No.) | UN 3264 8/PG 3 |
| OEB | C |
| OEL | TWA: 0.2 mg/m3, STEL: 0.6 mg/m3 |
| WGK 독일 | 3 |
| 위험 등급 | 7 |
| 포장분류 | Commercial |
| HS 번호 | 28441000 |
| 유해 물질 데이터 | 7440-61-1(Hazardous Substances Data) |
| 독성 | Three isotopes (234U, 235U, 238U) exist, and a large number of uranium salts are known. They present both toxic and radiological hazards. The most important use of uranium is in the nuclear energy industry, but uranium compounds are also used in ceramics, as catalysts and in certain alloys. Entry into the body can occur during a variety of processes involved with the mining, processing or use of uranium and its compounds, and is probably largely by inhalation of dusts, fumes, etc. or by ingestion. Acute uranium toxicity is primarily nephrotoxicity. About 50% of plasma uranium is bound, as the uranyl ion, to bicarbonate (HCO23 ), which is filtered by the glomerulus. As a result of acidification in the proximal tubule, the bicarbonate complex dissociates followed by reabsorption of the HCO23 ; the released UO21 then becomes attached to the membrane of the proximal tubule cells. Loss of cell function follows, as evidenced by increased concentration of glucose, amino acids, and proteins in the urine. 2,3-Mercapto-1-propanol (British Anti-Lewisite, BAL) is ineffective as a therapeutic agent for uranium poisoning; CaEDTA is recommended. Chronic uranium toxicity appears to be radiation related, the effects being similar to those of ionizing radiation. In humans, cancer of the lung, bone, and lymphatic system are all known to occur. |
| IDLA | 10 mg U/m3 |
