ChemNet > CAS > 78-93-3 2-Butanone

78-93-3 2-Butanone

product Name	2-Butanone
CAS No	78-93-3
Synonyms	MEK; Methyl ethyl ketone; 2-Butanone (Controlled Chemical); Ethylmethylketone,99%; Ethyl methyl ketone~MEK~Methyl ethyl ketone; Ethyl methyl ketone; butan-2-one
Molecular Formula	C₄H₈O
Molecular Weight	72.1057
InChI	InChI=1/C4H8O/c1-3-4(2)5/h3H2,1-2H3
EINECS	201-159-0
Molecular Structure
Density	0.786g/cm³
Melting point	-87℃
Boiling point	75.6°C at 760 mmHg
Refractive index	1.367
Water solubility	290 g/L (20℃)
Vapour Pressur	115mmHg at 25°C
Hazard Symbols	F:Flammable; Xi:Irritant;
Risk Codes	R11:; R36:; R66:; R67:;
Safety Description	S16:; S9:;
MSDS	Material Safety Data Sheet

Chemicals Suppliers(275):: 1Wenzhou Chemical Material Factory; 2Shanghai Orient-Salt Chemical Co., Ltd.(Shanghai Dragon Sky Chemical Product Co.,Ltd.); 3STAR CHEMICALS AND CATALYSTS CO,.LTD.; 4NEW DRAGON CO., LTD; 5Zhejiang Sanying Chemical Reagent Co., Ltd.; 6Zhengzhou Yibang Industry & Commerce Co.,Ltd.; 7Shanghai Shangyi Chemical Technology Co., Ltd; 8Qingdao Herun Import & Export Co.,Ltd; 9Oxiteno.; 10Ulrich Chemical; Contact Suppliers

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