天天透天天摸天天添天天拍,91精品国产高久久久,狠狠久久亚洲欧美专区,国产精品久久久久电影网,免费一区二区无码东京热,久久久精品,国产三级一区二区三区在线,国产一区二区视频免费播放,国产乱子伦视频一区二区三区,亚洲高清国产拍精品5g

Fuda Biotechnology

Current position: Home > Fuda Biotechnology > Catalog



Natural Propionic Acid




1. Product overview

Product name propanoic acid CAS NO 79-09-4
Alias Ethyl Carboxylic Acid English name propanoic acid
Molecular formula C3H6O2 Molecular weight 74.078
Melting point -21.5℃ Boiling point 141.1℃
Flash point 54 ℃ (CC) Density (water =1) 0.99
(air =1) 2.56
Solubility It is miscible with water, ethanol, ether and chloroform. Explosion limit 3.0%-14.9%
Appearance & Property Colorless oily liquid. It has a pungent smell.

2. Quality Index

Item Index
Appearance Colorless oily liquid
Content fraction of propanoic acid % ≥ 99.0
Mass fraction of water ( %)< 0.30
Mass fraction of lead ( %)< 0.001
Mass fraction of arsenic ( %)< 0.0003

3, Main uses
Used as esterifying agent, solvent of cellulose nitrate, plasticizer, chemical reagent and raw material of prepared food, etc.
Determination of aromatic diamines, gas chromatographic analysis standard. Insect cell culture grade is used to inhibit mold growth in insect cell culture.

4, Packing weight:190kg/drum.