日韩性色一区二区三区_丁香五月婷婷AV_免费黄色亚洲视频在线观看_久久精品免费网站网_亚洲超黄色视频在线播放_国产一级AN无码系列_无码暴力强奷免费视频_欧美肥妇毛多水多bbxx水蜜桃_亚洲VA欧美va国产va综合_日韩国产精品高清

淮安諾富德科技有限公司

Huaian Novotel Technology Co., Ltd.

Integrate scientific research, development, production and sales

New-type pharmaceutical and chemical enterprises

Mr. Zhang
+86-18952375139

PRODUCTS

Novotel Technology

Tannic acid

Product name Tannic acid
Alias Chinese tannin; Gallotannic acid; Gallotannin; Galloylglucose; Glycerite; Penta NM digalloyl glucose; Quebracho; Tannins; 1,3,6-tris-O-(3,4,5-trihydroxybenzoyl)hexopyranose; 1,2,3,4, 6-pentakis-O-[(3,4-dihydroxy-5-{[(3,4,5-trihydroxyphenyl)carbonyl]oxy}phenyl)carbonyl]hexopyranose
CAS RN 1401-55-4
EINECS number 215-753-2
Molecular formula C76H52O46
Molecular weight 1701.1985
Security term S24/25;
Physical and chemical properties Property Light yellow amorphous powder or loose and shiny scaly or spongy solid, which can turn black when exposed to the air. Odorless, with a strong astringent taste; melting point 210~215℃; flash point 187℃; solubility soluble in water, ethanol, acetone, almost insoluble in benzene, chloroform, ether and petroleum ether.
Uses Mainly used in leather tanning, but also in industries such as medicine, ink, printing and dyeing, rubber and metallurgy, and water treatment

淮安諾富德科技有限公司

Huaian Novotel Technology Co., Ltd.

Integrate scientific research, development, production and sales

New-type pharmaceutical and chemical enterprises

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2021, Huaian Novotel Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備2021012543號