成人在线日韩-成人在线欧美-成人在线免费小视频-成人在线免费网站-午夜 在线播放-午夜 性色 福利视频

Welcome to Jiurui Biology Chemistry Co.,?Ltd website!
Jiurui Biology  Chemistry Co.,?Ltd
Key words: Tannic acid, gallic acid, benzoic acid, hesperidin, chlorogenic acid, resveratrol
Gallnut range
Home > Products > Gallnut range
Gallic acid_anhydrous

Gallic acid_anhydrous

Name: Gallic acid_anhydrous
Synonyms: gallic acid
chemical name: 3,4,5-hydroxybenzoic acid
of the formula: C7H6O5

Molecular weight: 170.12

Structural formula:

Property: This product is white or white crystalline powder, soluble in 85 parts of water, 6 parts of ethanol, 2 parts of boiling water, slightly soluble in ether.

Specifications: The product complies with the national industry standard LY-T1301; European standard (first class); Japanese national JIS standard (first class); United States Pharmacopoeia; superior product

Technical index:

 

Gallic acid monohydrate

Anhydrous gallic acid

Appearance

White powder

White powder

Content%

≥99.0

≥99.0

Loss on drying%

≤10

≤0.5

Residue on ignition%

≤0.1

≤0.1

Chroma

≤180

≤180

Tannic acid ppm

1.0

1.0

Turbidity (50MG/ML ETOH)

clarify

clarify

Other Index

See COA

See COA

 

Uses: This product is widely used in industries such as medicine, dyes, chemical industry and organic synthesis, as well as the analysis of rare metals.

Storage: Avoid moisture and light, sealed tightly, no contact with metal.

Product validity: two years.

Packing: In woven bag with plastic inside and outside, net weight 25 kg per bag. It can be packaged according to customer requirements, such as carton or cardboard drum, and then palletized.

Main Products:Tannic acid(Industrial grade)  Gallic acid_anhydrous  Methyl gallate  Propyl gallate  Pyrogallic acid/Pyrogallol  3,4,5-Trimethoxy benzoic acid  
Contact Us

Contact Us

24-hour service hotline

+86-744-8561603(International Business)
+86-744-8561665,+86-744-8561604?(Domestic Business)
E-mail:
info@jiuruibiochem.com sales@jiuruibiochem.com
Address:Section C, Economic Development Zone, Zhangjiajie, Hunan, China.
Jiurui Biology & Chemistry Co.,?Ltd
Copyright(C)2020, Jiurui Biology & Chemistry Co.,?Ltd . All Rights Reserved. Supported by  ChemNet ChinaChemNet Toocle
主站蜘蛛池模板: 欧美日韩三级在线观看| 免费看啪啪网站| 伊人久久综合成人网小说| 亚洲综合小说| 久久久青青久久国产精品| 一本久久道| 国产一二三区在线| 国产一在线| 亚洲黄色一区| 日本欧美国产精品第一页久久| 日本欧美在线| 无遮挡色视频| 日韩亚洲欧洲在线com91tv| 青青草国产免费国产是公开| 欧美 日韩 国产 成人 在线观看 | 国产精品一区久久| 全免费一级午夜毛片| 免费观看国产精品| 国产精品va一级二级三级| 国产精品香蕉| 亚洲精品视频在线播放| 精品国产三级a在线观看| 最近韩国日本免费观看| 国产亚洲三级| 国内精品一区二区| 国产成人精品一区二区三在线观看 | 欧美 日韩 高清| 亚洲精品高清在线观看| 国内一区二区三区精品视频| 91伊人国产| 美日韩三级| 欧美日韩一区二区在线观看| 囗交免费毛片| 亚洲青草| 欧美色综合图区| 欧美亚洲综合激情在线| 日韩一页| 欧美精品久久天天躁| 亚洲欧美色图| 国产99久久精品| 亚洲伦|