久久久久国产精品夜夜夜夜夜,国产91精品福利在,狠狠色噜噜狠狠狠狠色综合久久,中文无码视频网站播放,综合欧美日韩一区二区,国产无码高清电影,欧美日韩国产综合第一区,婷婷在线视频免费播放

<dfn id="fylny"><cite id="fylny"><kbd id="fylny"></kbd></cite></dfn>

<bdo id="fylny"></bdo>

<sup id="fylny"><track id="fylny"><label id="fylny"></label></track></sup>

<style id="fylny"></style>

<input id="fylny"><noscript id="fylny"><output id="fylny"></output></noscript></input>

<thead id="v1sju"><ol id="v1sju"><noscript id="v1sju"></noscript></ol></thead>

<menu id="v1sju"><button id="v1sju"></button></menu><menu id="v1sju"><button id="v1sju"></button></menu>

中文版 ENGLISH

PRODUCTS

Acetal

Product name:

Acetal

English name:

Acetal

CAS RN:

105-57-7

Molecular formula:

C₆H₁₄O₂

Molecular weight:

118.18

Properties:

Colorless or light yellow transparent liquid with fresh fruit flavor.

Structural formula:

Quality index:

Index name Q/GHSA1086-1999	Index
Aldehyde content %	≥97.0
Relative density(20℃)g/ml	0.824-0.828
Refractive index(20℃)	1.378-1.386
Acidity(in H+)mmol/100g	≤0.33
Arsenic (As)%	≤0.0003
Heavy metal(in Pb計(jì))	≤0.001
Chloride(Cl)%	≤0.0005
Evaporation residue %	≤0.002

Use:

Used in the preparation of spice, liquor, organic solvent, etc.

Packing:

20kg/drum

Influence to environment:

Laboratory monitoring method:

Gas chromatographic method

Emergency treatment:

中文字幕免费无码专区一区_国产激情综合在线看日韩在线_中文无码一区二区三区不卡av_久久精品国产AV 亚洲精品91福利在线观看欧美成人精品高清在线观看

<dfn id="fylny"><cite id="fylny"><kbd id="fylny"></kbd></cite></dfn>

<bdo id="fylny"></bdo>

<sup id="fylny"><track id="fylny"><label id="fylny"></label></track></sup>

<style id="fylny"></style>

<input id="fylny"><noscript id="fylny"><output id="fylny"></output></noscript></input>

一区二区在线| 人妻系列在线专区视频| 久久久久国产精品无码超碰| 五月天激情免费无码视频| 亚洲伊人久久大香线蕉综合图片| 少妇高潮灌满白浆毛片免费看| 亚洲午夜18毛片在线看| 久久精品无码AV潮吹| 国产亚洲欧美日韩高清| 国产在线不卡视频| 国产日本欧美一区| 日韩精品欧美国产精品亚| 97日日碰曰曰摸日日澡| 中文字幕无线码一区中文免费| 2021免费精品无码在线| 在线免费观看黄片| 精品综合| 国产免费AV在线一区| 精品亚洲成AV人在线观看| 国产自慰精品无码|

<object id="c29ik"><button id="c29ik"></button></object>