久久久网_国产精品内射视频免费_美脚の诱脚舐め脚责91_久久国产欧美日韩精品_国产欧美日韩一区二区搜索_一区两区三区四区乱码国产精品

Welcome to Zhejiang Synose Tech Co., Ltd.!

Cosmetic Raw Materials

Glucose Pentaacetate

Raw material submission code:α005127-02613-2850  β: 005127-02613-4690  α、β:005127-02613-8326

Synonyms: 1,2,3,4,6-Penta-O-Acetyl-a, ß-D-Glucopyranose

α-D-Glucose Pentaacetate; β-D-Glucose Pentaacetate; α,ß-D-Glucose Pentaacetate

Molecular Formula: C16H22O11

Molecular Weight: 390.34

CAS Number:  α-: 604-68-2,  β-: 604-69-3,  α,β-: 3891-59-6

EC Numer:  α-: 210-073-2   β-: 210-074-8  α,β-: 223-439-1

Molecular Structure:

                                  

Specification:

Item

α-

ß-

α, ß-

α, ß-(high a)

α, ß-(high ß)

Appearance

White crystalline powder

Assay(GC), %

≥98.0

≥98.0

≥98.0

α-D-Glucose Pentaacetate≥70.0

β-D-Glucose Pentaacetate≥70.0

Specific rotation

 ,(C=1,CHCl3)

+100.0~+103.0

+4.0~+6.0

+50.0~+60.0

≥+70.0

≤+35.0

Melting point,℃ 

111.0~114.0

130.0~134.0

≥85.0

-

-

Water,%

≤1.0

≤1.0

≤1.0

≤1.0

≤1.0

Residue on ignition, %

≤0.10

≤0.10

≤0.10

≤0.10

≤0.10

Properties: α-D-glucose pentaacetate, ß-D-glucose pentaacetate and α, ß-D- glucose             pentaacetate are white crystalline powder, they are insoluble in water and easy to soluble in ethanol, chloroform etc.

Uses: This product is mainly used as emulsifying stabilizer, Fragrance Ingredients, etc. It can also be synthesized arbutin and salidroside, etc., used as cosmetic skin lightener.

Amount added:4.2% of maximum historical usage of resident products.

Storage: Store in a tightly closed container. Store in a cool,dry area.

Package: 25kgs/drum or as required by the customer.  Expiration Date: 2 years.

No.1958 Liyu Road Jinhua, Zhejiang, China

0086-579-82270620

expo@synose.com

Home|About us|News|Products|Custom|Contact us|中文版|English|日本語|Fran?ais|Pусский|Espa?a
Copyright(C)2017, Zhejiang Synose Tech Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice 浙ICP備06002737號-1
主站蜘蛛池模板: 久久99精品国产99久久6尤物 | 国产麻豆剧果冻传媒一区 | 国产免费无遮挡在线观看视频 | 精品国产一区在线观看 | 成人国内精品久久久久影院成.人国产9 | 亚洲精品乱码久久久久久9色 | 久久精品人 | 欧美一区2区视频在线观看 久久国产亚洲精品 | 丰满人妻一区二区三区av猛交 | 免费一级做a爰片久久毛片潮 | 婷婷午夜视频 | 欧美激情做真爱牲交视频 | 亚洲成人久 | 超碰福利在线 | 草逼网首页 | 亚洲第一成人影院 | 久久99国产精品免费网站 | 国产欧美日韩综合精品久久一区 | 久久免费视频一区二区 | 一本大道一卡二大卡三卡免费 | 一级片色| 一区二区三区国产在线观看 | av网站国产| 久操网在线 | 最新日韩欧美在线综合网 | 欧美疯狂xxxxbbbb喷潮 | 伊人久久成综合久久影院 | video喷出白浆 | 成a人片国产精品 | 私人vps毛片| 年轻内射无码视频 | 久久精品一区中文字幕 | av一片| 黄站在线观看 | 最新国产福利 | 小荡货腿张开让我cao爽视频 | 在线一区二区三区四区五区 | 欧美一区二区三区白人 | 日本三级韩国三级香港三级写真集 | 天天天久久久 | 免费B站在线观看人数在哪儿找 |