铬
CAS号:12018-01-8
品名:MAGTRIEVE(TM)chromiumdioxide
中文别名:MAGTRIEVE(TM)
英文别名:MAGTRIEVE(TM);Chromiumdichloride;CHROMOUSCHLORIDE;chromiumoxychloride;chromylchloride;chromiumchloride;
分子式:CrO2
分子量:83.9949
精确质量:83.9303
Psa:34.14
RTECS号:GB6400000
EINECS号:234-630-4
MDL号:MFCD00049888
PubChem号:24871674
密度:4.85 g/mL at 25ºC(lit.)
熔点:&>375ºC (dec.)(lit.)
安全说明:S26; S36
危险类别码:R36
危险品标志:Xi
信号词:Warning
危险性防范说明:P305 + P351 + P338
危险标志:GHS07
危险性描述:H319
简介:Chromiumdioxideorchromium(IV)oxideisaninorganiccompoundwiththeformulaCrO2.Itisablacksyntheticmagneticsolid.Itoncewaswidelyusedinmagnetictapeemulsion.WiththeincreasingpopularityofCDsandDVDs,theuseofchromium(IV)oxidehasdeclined.However,itisstillusedindatatapeapplicationsforenterprise-classstoragesystems.Itisstillconsideredbymanyoxideandtapemanufacturerstohavebeenoneofthebestmagneticrecordingparticulateseverinvented.