久久九九久精品国产首页_欧美日韩在线不卡高清视频_国产精品网曝门在线观看_P2020国产精品久久精品

  熱線電話:021-54370211?    

formic acid

Name: formic acid

The formic acid, also called the formic acid.The ant secretions and the secretions of the bees contain the formic acid, which was made when the ants were distilled.The formic acid is colorless and has a stimulating odor and is corrosive, and the skin of the human skin will be inflamed and inflamed.The melting temperature of 8.4 ℃, boiling point 8.4 ℃.Because the structure of the formic acid is special, one of its hydrogens is directly linked to the carboxyl group.It can also be seen as a hydroxyformaldehyde.So it's also acids and aldehydes and properties.In the chemical industry, the acid is used in the industry of rubber, medicine, dyes and leather.

Main ingredients: content: 1, 90.0%;Level 2 is greater than 85.0%.

Appearance and character: colorless and transparent smoke liquid, have strong irritating and sour taste.

Melting point (℃) : 8.2 the boiling point (℃) : the relative density of 100.8 (water = 1) : 1.23 relative vapor density (air = 1) : 1.59

@ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

衢州市| 武定县| 永清县| 洱源县| 平果县| 贡嘎县| 丹棱县| 浦城县| 普格县| 拉萨市| 西贡区| 迁西县| 上饶县| 巨野县| 祥云县| 绥滨县| 邻水| 会宁县| 宿迁市| 吉安县| 麟游县| 鄂托克前旗| 水城县| 西充县| 晋中市| 深圳市| 蛟河市| 梁平县| 公安县| 威宁| 静安区| 武乡县| 青川县| 朝阳县| 高邑县| 铜陵市| 依安县| 彭水| 洛扎县| 江山市| 新余市|