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: 亚洲精品免费在线观看| 就爱啪啪网| 激情综合网激情| 成人特黄午夜性a一级毛片| 国产亚洲人成a在线v网站| 久久久久国产一级毛片高清版| 在线国产视频观看| 日b毛片| 日韩精品免费观看| 国产福利91精品一区二区| 手机看日韩| 国产资源视频在线观看| 日本不卡视频一区二区| 伊人精品视频在线观看| 99国产精品一区二区| 欧美精品1区| 欧美国产日韩在线观看| 亚洲国产成人久久综合野外| 精品久久久久久中文字幕| 欧美黑粗硬| 欧美在线综合| 青青热久久国产久精品| 久久亚洲精品国产精品婷婷| 精品欧美日韩一区二区三区| a免费国产一级特黄aa大| 国产免费不卡| 精品日韩二区三区精品视频| 毛片综合| 欧美成人禁片在线观看网址| 国产精品成久久久久三级| 国产视频观看| 亚洲欧美精品成人久久91| 男女激情网址| 精品国产综合区久久久久99 | 国产精品亚洲欧美一区麻豆| 粉嫩美女流白浆视频| 多人伦精品一区二区三区视频| 伊人情人综合成人久久网小说| 亚洲青草| 久久久久久久岛国免费播放| 日韩 综合|