Specifications:( 1) technical index:A. Achromaticity gas, easy liquefactionB. ph: 6-7C. density approximately: 0. 661D. Melting point: -141. 5E. Boiling point: -24. 9

Features:1) white light-quality powder, does not dissolve in water, but dissolves in-hot ethyl alcohol and ether, absorbs water in the air, decomposes stearic acid and corresponding salt when it meets

Properties:White crystal. Turn pale and brown yellow when meet lights. Gravity: 1. 160. Little soluble in water, soluble in alcohol, ether, benzene and so on. Can soluble in concentrated inorganic aci

Features:1: appearance: yellow oil, clear liquid2: odor: strong and stimulus3: supply period: all year round4: inner packing: 25 or 50kg / aluminum barrelOuter packing: carton

Technical dataColour: greenPurity: >99. 99% (4n)Average particle size: 30~70nmSpecific surface area: 10~25 m2 / g; 5~10 m2 / gIndex of agglomeration:

Color (platinum-cobalt) / no:Density: 0. 791-0. 793Water-soluble test: transparentWater content% :Acidity (hcooh) :Alkalinity:Evaporated residue:

Specifications:Technical dataColour: blue and greyPurity: >99. 9% (3n)Average particle size: 30~70nmSpecific surface area: 10~25 m2 / g; 5~10 m2 / gIndex of agglomeration:

Content% >63. 1Specific gravity:Volatility:Ash content:Soluble in acetone, benzol, chloroform and alcohol, little soluble in gasoiline, nonsoluble in water.Application:Its a kind of rubber antioxidant

Mainly molecular formula: c22h22o (n=2)Specification:Appearance: light-yellow viscose liquid with transparentRefractive index: 1. 5985-1. 6020Transimissivity (% ) >70Gravity: 1. 07-1. 09Ash (% )Applic