7440-48-4|Cobalt powder_ChemVia, Custom Chemical Service Platform

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Freight number	Package	Original price	Present price	Stock	describe
RA01000024-5g	5g	￥141.70	￥141.70	16	deliver goods within 1-2 days
RA01000024-25g	25g	￥333.60	￥333.60	17	deliver goods within 1-2 days
RA01000024-100g	100g	￥1078.00	￥1078.00	5	deliver goods within 1-2 days

Parameters

Properties
Properties	【外观性状】钴是具有光泽的钢灰色金属，比较硬而脆，有铁磁性，加热到1150℃时磁性消失。钴的化合价为2价和3价。在常温下不和水作用，在潮湿的空气中也很稳定。在空气中加热至300℃以上时氧化生成CoO，在白热时燃烧成Co3O4。氢还原法制成的细金属钴粉在空气中能自燃生成氧化钴。【熔点】1495°C【沸点】2900 °C(lit.)【密度】1.03 g/mL at 25 °C【溶解度】H2O: soluble【form 】wire【水溶解性】insoluble【Merck 】13,2452
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