12H18N4O2; Molecular Weight:250.2969; EINECS: ">

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 31542-63-9 is provided by ChemNet.com
Chemical CAS Database with Global Chemical Suppliers - ChemNet


   ChemNet > CAS > 31542-63-9 1,3-Dipropyl-7-methylxanthine

31542-63-9 1,3-Dipropyl-7-methylxanthine

product Name 1,3-Dipropyl-7-methylxanthine
CAS No 31542-63-9
Synonyms (1,3)-Dipropyl-7-methylxanthine; 7-methyl-1,3-dipropyl-3,7-dihydro-1H-purine-2,6-dione
Molecular Formula C12H18N4O2
Molecular Weight 250.2969
InChI InChI=1/C12H18N4O2/c1-4-6-15-10-9(14(3)8-13-10)11(17)16(7-5-2)12(15)18/h8H,4-7H2,1-3H3
Molecular Structure 31542-63-9 1,3-Dipropyl-7-methylxanthine
Density 1.26g/cm3
Boiling point 443.5°C at 760 mmHg
Refractive index 1.612
Flash point 222°C
Vapour Pressur 4.63E-08mmHg at 25°C
Hazard Symbols
Risk Codes
Safety Description
主站蜘蛛池模板： 大厂| 苗栗市| 板桥市| 潞城市| 鄂伦春自治旗| 鹿邑县| 陇南市| 修文县| 湖南省| 浪卡子县| 吐鲁番市| 宁南县| 平泉县| 绍兴市| 新沂市| 安丘市| 资阳市| 綦江县| 萨嘎县| 呼伦贝尔市| 哈密市| 莒南县| 楚雄市| 阿鲁科尔沁旗| 平乡县| 龙山县| 清水河县| 南靖县| 乌鲁木齐县| 卢龙县| 陕西省| 马边| 新津县| 陇西县| 永川市| 南宫市| 美姑县| 弥渡县| 禄劝| 潞城市| 北安市|