色吧av色av_国产激情午夜_精品久久久久久久国产性色av_久久久一级视频_欧美激情视频网_视频在线播放国产

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: 韩国19禁视频一区二区 | 国产一级不卡毛片 | 国产精品入口a级 | 麻豆网站在线播放 | 成年人av在线免费观看 | 日本最新中文字幕 | 欧美精品欧美精品系列c | 久久午夜无码鲁丝片午夜精品 | 亚洲成人精品免费 | 成人黄色精品 | 色婷婷久久一区二区爽爽爽 | 亚洲国产成人久久一区WWW | 国产成人精品123区免费视频 | 一级毛片全部免费播放特黄 | 国产大片一区二区 | 一区二区三区伦理片 | 国产精品久久久久久久久久久杏吧 | 久久不射2019中文字幕 | 大地资源在线影视播放 | 521av永久免费网 | 天天操天天射天天爽 | av之家在线观看 | 久久不见久久见免费视频7 一个人看的www免费视频在线观看 | 一本大道香蕉久中文在线播放 | 久久伦理 | 日韩黄色影视 | 秋霞午夜一区二区三区视频 | 91精品欧美一区二区三区 | 在线观看免费一区 | 免费爱爱视频网站 | 久久久免费播放 | 久久青草国产免费频观 | 蜜月久久99静品久久久久久 | 成人在线观看18 | 欧美一区不卡 | 欧美国产综合一区二区 | 久久免费在线视频 | 在线日韩中文字幕 | 中文字幕佐山爱一区二区免费 | 91精品国产综合久久小仙女图片 | 亚洲第一无码精品立川理惠 |