www黄在线,欧美日韩激情视频,午夜三级大片,日韩在线观看中文字幕,在线中文字幕播放,欧美激情视频一二三区,中文字幕日韩高清

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

Gallic acid

Product name Gallic acid
Alias 3,4,5-Trihydroxybenzoic acid; Pyrogallol-5-carboxylic acid; Gallic Acid Anhydrous; Gallic acid(anhydrous)
CAS RN 149-91-7
EINECS number 205-749-9
Molecular formula C7H6O5
Molecular weight 170.1195
Physical and chemical properties Needle-like crystals (crystallized from anhydrous methanol and chloroform), when sublimed at 210°C, a stable crystal is obtained, 258~265°C (decomposition) and an unstable crystal, with a melting point of 225~230°C. The density is 1.694g/cm3 (60°C).  Lose crystal water within 100~120℃. 1g is dissolved in 87ml water, 3ml boiling water, 6ml ethanol, 100ml ether, 10ml glycerol, 5ml acetone. Insoluble in benzene, chloroform, petroleum ether.
Uses It has antibacterial effect and can treat bacillary dysentery. It has the effects of astringent, hemostasis and diarrhea. Can be used as a preservative. It can prepare pyrogallic acid, drugs, inks, vehicle dyes and anti-explosive agents. It is also used as a developer and analytical reagent for detecting free mineral acids, dihydroxyacetone, alkaloids and metals.

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

奈曼旗| 昌图县| 广汉市| 高青县| 济南市| 樟树市| 吐鲁番市| 乐清市| 镇宁| 图木舒克市| 宝清县| 乌兰察布市| 阿城市| 咸阳市| 宽甸| 彩票| 新田县| 湟源县| 合川市| 于田县| 宁都县| 吉安市| 增城市| 松原市| 库车县| 宁波市| 天津市| 马鞍山市| 荣成市| 搜索| 铁岭市| 凤阳县| 台前县| 凤城市| 盘山县| 东方市| 印江| 无为县| 临沂市| 中牟县| 安平县|