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CAS號(hào):7440-48-4
英文名稱:Cobalt
英文同義詞:Kobalt;COBALT;Aquacat;CO005085;CO004500;CO000070;CO000050;CO000295;CO004850;CO000292
中文名稱:鈷
中文同義詞:鈷;鈷;鈷塊;鈷棒;鈷片;鈷粉;鈷絲;鈷柱;鈷箔;鈷線
分子式:Co
分子量:58.93
熔點(diǎn):1495°C
沸點(diǎn):2900 °C (lit.)
密度:8.9 g/mL at 25 °C (lit.)
儲(chǔ)存條件:no restrictions.
溶解度:H2O: soluble
形態(tài):wire
顏色:Pink to red to violet
比重:8.9
電阻率 (resistivity):6.24 μΩ-cm, 20°C
水溶解性:insoluble
Merck:13,2452
暴露限值:TLV-TWA 0.05 mg as Co/m3 (ACGIH)
PEL-TWA: 0.05 mg as Co/m3 (NIOSH, OSHA)
TLV-STEL 0.1 mg as Co/m3 (ACGIH)
IDLH 20 mg as Co/m3 (NIOSH)
.
穩(wěn)定性:Stable, but pyrophoric in air when finely divided. Incompatible with acetylene, hydrazinium nitrate, oxidizing agents, acids.
CAS 數(shù)據(jù)庫(kù):7440-48-4(CAS DataBase Reference)
(IARC)致癌物分類:2B (Vol. 52) 1991, 2B (Vol. 86) 2006, 2A (Vol. 86) 2006
NIST化學(xué)物質(zhì)信息:Cobalt(7440-48-4)
EPA化學(xué)物質(zhì)信息:Cobalt (7440-48-4)