日本三人交三人配_黄色电影小说图片_国产精品18毛片一区二区_性做爰的免费视频_777影院理伦片片,三级不卡视频,亚洲第一久久久,亚州一区二区

永久黄色网,男男sm捆绑调教gay视频,伊人电影院av
會員登錄
請登錄您的生意號,獲取電子名片。便于轉(zhuǎn)發(fā)分享!
取消
會員登錄
請登錄您的生意號,獲取電子名片。便于轉(zhuǎn)發(fā)分享!
取消
Acetophenone
Acetophenone
Product Category:Others

№D003
CAS Rn:【98-86-2】
Molecular weight: 120.15
Simple formula: C8H8O
Chemical structure formula:Acetophenone
SPECIFICATIONS:
Appearance : Low melting point crystal
Colour : colorless
Purity : 99.0% min (G.C)
Water : ≤ 0. 2% (K.F)
Packing : are packed in iron drums with PVF coated of 200kgs (or 50kg)net

Home

Home

News information

News

About Us

About Us

Products

Products

Contact Us

Contact Us