无码人妻丝袜在线视频_成年免费视频黄网站zxgk_国产欧美在线观看不卡_992tv精品视频tv在线观看_欧美极品少妇无套实战

One stop laboratory

Overall solution service provider

電話

contact

phone

851-2569016

13809460779

內頁banner

Product Center

current location: Home> Product Center> Aroma chemical

Contact Us聯(lián)系我們

GuiZhou QingZhen Rise Fine Chemicals Co.,Ltd.

mobile:13809460779

phone:0851-2569016

email:[email protected]

website:www.mkpq.com.cn

address:Ganheba Village, Qingzhen City, Guiyang City

α-Angelica lactone

source:GuiZhou QingZhen Rise Fine Chemicals Co.,Ltd. Release time:2024-06-13 browse:920

α-Angelica lactone

4-hydroxy-3-pentenoic acid lactone

P005

Molecular formula: C5H6O2

Molecular weight:98.10

Assay:>97%

Boiling point:167-170℃;56℃/12mmHg

Refractive index:1.4470-1.4478

Density:1.084

Appearance:Colorless liquid.

Rugulaton status:FEMA No.3293

Sense and characteristics:Have good flavour like herb slightly soluble in water,souble in ethanol,ether and carbon disulfide.

Usage being:Used as flavor.


phone:13809460779   0851-2569016

mailbox:[email protected]

address:Ganheba Village, Qingzhen City, Guiyang City

Mobile website

Mobile website

激情无码人妻又粗又大| 伊人久久大香线蕉无码不卡| 性荡视频播放在线视频| 公与淑婷厨房猛烈进出视频免费| 丰满少妇大力进入av亚洲| 亚洲午夜久久久影院| 真人性生交免费视频| 国产免费无码一区二区三区| 性欧美丰满熟妇xxxx性久久久| 少妇伦子伦情品无吗| 8ⅹ8x擦拨擦拨成人免费视频| 亚洲一区二区三区四区五区黄| 日本免费一区二区三区| 少妇被躁爽到高潮无码久久| 久久婷婷综合色丁香五月| 97精品超碰一区二区三区| 国产av无码专区亚洲av果冻传媒| 久久无码人妻一区二区三区午夜| 少妇又色又紧又爽又刺激视频| 亚洲国产精品无码专区| 少妇私密会所按摩到高潮呻吟| 欧美日韩色另类综合| av国产剧情md精品麻豆| 亚洲男人的天堂在线aⅴ视频| 午夜dj高清免费观看视频| 麻豆一区产品精品蜜桃的广告语| 亚洲av成人www永久无码精品| 日本人妻丰满熟妇久久久久久| 欧美精品国产综合久久| 337p日本欧洲亚洲大胆色噜噜| 亚洲av无码国产精品色午夜洪| 久久无码专区国产精品s| 日韩人妻无码一区二区三区久久99| 闺蜜张开腿让我爽了一夜| 精品无码人妻一区二区三区不卡| 亚洲av无码一区二区三区性色| 久久久久久久极品内射| 午夜精品久久久久久久99老熟妇| 岛国aaaa级午夜福利片| 插我一区二区在线观看| 国产乱人伦app精品久久|