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

China Phenolphthalein Suppliers, China Phenolphthalein Manufacturers.

ChemNet  |   Sign in  |   Join Now
Verified
Supplier
2nd

year

JIANGYIN TRUST INTERNATIONAL INC
http://www.tcbest88.com/ChinaSuppliers/53594/
China Suppliers > JIANGYIN TRUST INTERNATIONAL INC >

Phenolphthalein

Details for Phenolphthalein

Phenolphthalein

Category:

Other Chemicals

Phenolphthalein
CAS NO: 77-09-8
EC NO: 201-004-7
Molecular Formula: C20H14O4
Molecular Weight: 318.3287
Specification:
InChI: InChI=1/C20H16O4/c21-15-9-5-13(6-10-15)19(14-7-11-16(22)12-8-14)17-3-1-2-4-18(17)20(23)24/h1-12,19,21-22H,(H,23,24)
Product description:
Uses: Used as a litmus indicator, it is a stimulant laxative employed in the treatment of constipation.
Synonyms: Phenolphthalein solution;3,3-bis(p-hydroxyphenyl)phthalide;,3-bis(4-hydroxyphenyl)-1(3H)-isobenzofuranore;3,3-bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one;2-[bis(4-hydroxyphenyl)methyl]benzoic acid;Phenolphthalien;
Molecular Structure: Phenolphthalein 77-09-8
if you are sourcing Phenolphthalein from China ,just feel free to inquire
ChemNet  |   Product  |   Suppliers  |   Buy  |   Sell  |   News  |   REACH  |   Directory  |   CAS  |   Resource
ChemNet is a registered trademark of Zhejiang NetSun Co., Ltd.
主站蜘蛛池模板: 大渡口区| 邻水| 隆回县| 集贤县| 柞水县| 婺源县| 时尚| 凤山县| 五寨县| 万宁市| 时尚| 南丹县| 拉萨市| 满城县| 东安县| 蒲城县| 桦甸市| 东方市| 县级市| 青岛市| 永城市| 中牟县| 五寨县| 吐鲁番市| 杭州市| 调兵山市| 新兴县| 海晏县| 定南县| 理塘县| 蒙阴县| 康马县| 蕲春县| 佛坪县| 泗阳县| 遵义市| 集安市| 青冈县| 乌兰县| 定远县| 长武县|