ChemNet > CAS > 7778-50-9 Potassium dichromate

7778-50-9 Potassium dichromate

produktnavn	Potassium dichromate
Engelsk navn	Potassium dichromate; Potassium dichromate standard solution; Potassium bichromate; Red potassium chromate; dipotassium oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium
Molekyl?r Formel	Cr₂K₂O₇
Molekylvekt	294.1846
InChI	InChI=1/2Cr.2K.7O/q;;2+1;;;;;;2-1/rCr2O7.2K/c3-1(4,5)9-2(6,7)8;;/q-2;2*+1
CAS-nummer	7778-50-9
EINECS	231-906-6
Molecular Structure
Smeltepunkt	398℃
Vannl?selighet	125 g/L (20℃)
Hazard symboler	O:Oxidizing agent; T+:Very toxic; N:Dangerous for the environment;
Risiko Koder	R8:; R21:; R25:; R26:; R34:; R42/43:; R45:; R46:; R48/23:; R50/53:; R60:; R61:;
Sikkerhet Beskrivelse	S45:; S53:; S60:; S61:;

Chemicals Suppliers(127):: 1Wenzhou Chemical Material Factory; 2Sinochem Hebei (Tianjin) Import & Export Corporation.; 3Tianjin Xinxin Biotechnology Research And Development Center; 4Anshan Pan-asia Import & Export Company Limited; 5LIANYUNGANG CHEMIVIT INTERNATIONAL CO.,LTD; 6Tianjin Minle Chemical Import & Export Trade Co., Ltd.; 7Zhejiang Sanying Chemical Reagent Co., Ltd.; 8Huangshi Yucheng Trade Co.,Ltd; 9Tianjin Hitechs Co., Ltd.; 10Foundo International Trading Co.,Ltd.; Contact Suppliers; Post Buying Leads; Related selling offers

潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图