5H3N3; Molecular Weight:105.0974; EINECS:243-369-5 ">

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

The physical and chemical property of 19847-12-2 is provided by ChemNet.com
Chemical CAS Database with Global Chemical Suppliers - ChemNet


   ChemNet > CAS > 19847-12-2 2-Cyanopyrazine

19847-12-2 2-Cyanopyrazine

product Name 2-Cyanopyrazine
CAS No 19847-12-2
Synonyms Cyanopyrazine; Pyrazinecarbonitrile; 2-PYRAZINECARBONITRILE; BUTTPARK 45\10-31; PYRAZINE-2-CARBONITRILE
Molecular Formula C5H3N3
Molecular Weight 105.0974
InChI InChI=1/C5H3N3/c6-3-5-4-7-1-2-8-5/h1-2,4H
EINECS 243-369-5
Molecular Structure 19847-12-2 2-Cyanopyrazine
Density 1.22g/cm3
Boiling point 226.1°C at 760 mmHg
Refractive index 1.54
Flash point 90.7°C
Vapour Pressur 0.0834mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R20/21/22:;
R36/37/38:;
Safety Description S26:;
S36:;
主站蜘蛛池模板: 英德市| 梁河县| 车致| 平南县| 萨嘎县| 宣城市| 大荔县| 柯坪县| 松原市| 通道| 东至县| 偏关县| 阿巴嘎旗| 朔州市| 县级市| 达孜县| 荆州市| 东辽县| 延长县| 庆安县| 白玉县| 海安县| 抚顺县| 化德县| 博白县| 丹江口市| 华池县| 龙州县| 固安县| 桐柏县| 信丰县| 绥宁县| 罗江县| 开原市| 雷波县| 会泽县| 德令哈市| 怀远县| 潍坊市| 乐安县| 芮城县|