ChemNet > CAS > 142-68-7 Tetrahydropyran

142-68-7 Tetrahydropyran

?????? ?? ???	Tetrahydropyran
???????? ???	Tetrahydropyran; Pentamethylene oxide; 4-tetrahydropyran; tetrahydro-2H-pyran
????? ????????	C₅H₁₀O
?????? ???	86.1323
InChI	InChI=1/C5H10O/c1-2-4-6-5-3-1/h1-5H2
??? ??????? ??????	142-68-7
EINECS	205-552-8
????? ??????
?????	0.883g/cm³
??????	-45℃
????? ?? ???	88°C at 760 mmHg
??????? ???????	1.419
???? ?? ???????	80 g/L (25℃)
????? ?? ????	70.1mmHg at 25°C
???? ??????	F:Flammable; Xi:Irritant;
???? ?? ???	R11:; R19:; R9:; R36/37/38:;
??????? ?????	S9:; S16:; S33:; S36:;

Chemicals Suppliers(11):: 1Smart Chemicals Group Co. Ltd.; 2Yangzhou Princechem Co., Ltd.(former Gaoyou Organic Chemical Factory); 3Dongtai Xinyuan Chemical Co., Ltd.; 4AFINE CHEMICALS LIMITED; 5Tianjin Maidisen Chemical CO., LTD.; 6Hangzhou Shuyuan Pharmaceutical Technology Co., Ltd.; 7Tianjin Hitechs Co., Ltd.; 8Reliable Pharma Technology (Shanghai) Co., Ltd.; 9Wintersun Chemical; 10Freesia Chemicals; 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