6H6N2O2; Molecular Weight:138.1166; EINECS:413-260-9 ">

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 5521-55-1 is provided by ChemNet.com
Chemical CAS Database with Global Chemical Suppliers - ChemNet


   ChemNet > CAS > 5521-55-1 5-Methylpyrazine-2-carboxylic acid

5521-55-1 5-Methylpyrazine-2-carboxylic acid

product Name 5-Methylpyrazine-2-carboxylic acid
CAS No 5521-55-1
Synonyms 3-Carboxy-5-methylpyrazine; 5-methyl-pyrazinecarboxylicaci; 5MPZA; 5-METHYL-2-PYRAZINECARBOXYLIC ACID; 2-METHYL-5-PYRAZINE CARBOXYLIC ACID; 2-METHYL-5-PYRAZINOIC ACID; 2-METHYLPYRAZINE-5-CARBOXYLIC ACID; 5-Methylpyrazine-2-carobxylic acid; 5-methylpyrazine-2-carboxylate; 5-Methyl-2-pyrazinecarboxylic  acid
Molecular Formula C6H6N2O2
Molecular Weight 138.1166
InChI InChI=1/C6H6N2O2/c1-4-2-8-5(3-7-4)6(9)10/h2-3H,1H3,(H,9,10)/p-1
EINECS 413-260-9
Molecular Structure 5521-55-1 5-Methylpyrazine-2-carboxylic acid
Melting point 166-169℃
Boiling point 316.5°C at 760 mmHg
Flash point 145.2°C
Vapour Pressur 0.000172mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R41:;
Safety Description S26:;
S39:;
MSDS Material Safety Data Sheet
主站蜘蛛池模板: 南京市| 蚌埠市| 仁怀市| 凤凰县| 改则县| 绥宁县| 双桥区| 丹东市| 哈巴河县| 彭阳县| 项城市| 平陆县| 武冈市| 出国| 沂南县| 沿河| 东兰县| 雷波县| 斗六市| 密山市| 大名县| 海城市| 郎溪县| 吴江市| 松原市| 景德镇市| 项城市| 伊宁市| 荥经县| 宁德市| 怀远县| 宜川县| 茌平县| 肥东县| 横山县| 杭州市| 特克斯县| 榆树市| 汝南县| 云林县| 长海县|