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niobium

상품명칭: niobium
CAS 레지스트리 번호: 7440-03-1
EINECS: 231-113-5  
동의어: EINECS 231-113-5;niobium; (95nb)niobium; 7440-03-1; (97nb)niobium; (94nb)niobium; Niobium element; VN 1; Niobium-93;Columbium;
분자 구조:
분자식: Nb
분자량: 92.90638
밀도:  8.57 g/mL at 25 °C(lit.)
비등점:  4742 °C(lit.)
녹는점:  2468 °C(lit.)
인화점:  
위험 코드:  17
안전 문장:  An eye and severe skin irritant. Very low toxicity by ingestion and intraperitoneal routes. No reports of human intoxication. Can cause kidney damage. Experimentally, there is a moderate fibrogenic effect on the lungs after intratracheal administration. Some niobium is found in all parts of the body. Flammable in the form of dust when exposed to flame or by chemical reaction. Moderately explosive in the form of dust when exposed to flame. Ignites in fluorine, chlorine (at 205°C). Incandescent reaction with bromine trifluoride.
위험 기호:  F: Flammable;

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