7439-99-8
7439-99-8 結(jié)構(gòu)式
物理化學(xué)性質(zhì)
熔點637°
沸點bp 4174°
密度20.45; d 19.36
儲存條件-20°C
溶解度Soluble in DMSO (>25 mg/ml)
形態(tài)銀色金屬
顏色Off-white
電導(dǎo)率830000 S/m
水溶解性soluble HCl [HAW93]
電導(dǎo)率6 W/(m·K)
穩(wěn)定性Stable for 1 year from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 1 month.
Bulk Modulus118 GPa
Hardness, Vickers346
Shear Modulus80.0 GPa
CAS 數(shù)據(jù)庫7439-99-8
EPA化學(xué)物質(zhì)信息Neptunium (7439-99-8)