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CAS号:7440-48-4
英文名称:Cobalt
英文同义词:Kobalt;COBALT;Aquacat;CO005085;CO004500;CO000070;CO000050;CO000295;CO004850;CO000292
中文名称:钴
中文同义词:鈷;钴;钴块;钴棒;钴片;钴粉;钴丝;钴柱;钴箔;钴线
分子式:Co
分子量:58.93
熔点:1495°C
沸点:2900 °C (lit.)
密度:8.9 g/mL at 25 °C (lit.)
储存条件:no restrictions.
溶解度:H2O: soluble
形态:wire
颜色:Pink to red to violet
比重:8.9
电阻率 (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)
.
稳定性:Stable, but pyrophoric in air when finely divided. Incompatible with acetylene, hydrazinium nitrate, oxidizing agents, acids.
CAS 数据库:7440-48-4(CAS DataBase Reference)
(IARC)致癌物分类:2B (Vol. 52) 1991, 2B (Vol. 86) 2006, 2A (Vol. 86) 2006
NIST化学物质信息:Cobalt(7440-48-4)
EPA化学物质信息:Cobalt (7440-48-4)