Chemical properties:Insoluble in water (20 ℃, 100 ml of water is only dissolved 0.00029g). Slightly soluble in cold ethanol， Soluble in acetone, benzene, ethyl ether, chloroform, carbon tetrachloride, sulfur dioxide, chloroform, hot ethanol,

Physical Property:Pure phosphoric acid is a colorless crystal, melting point of 42.3 degrees Celsius, the high boiling acid, soluble in water.Commercial phosphoric acid reagent is viscous, concentrated solution of non-volatile phosphate content of 83-98%

Physical and Chemical property: Stimulating odor. melting point 16℃,boiling point 117 .9℃,relative density 1.0492 (20/4℃ ), refractive index 1.3716. Appearance: colorless liquid Usage: Glacial acetic acid is used for synthesizing fib

Physical and Chemical property:Formic acid is colorless and corrosive with stimulating odour , melting point 8.4℃ ,boiling point 100.8℃ . acidic and Aldehyde, Methanol carbonylation method, stability, acute toxicity, stimulating. HCOOH(H2SO

Physical and Chemical property: melting point: α type:189.5℃ β type：182℃, boiling point: 150℃density: 1.653(2H2O),1.9; α type：1.900，β type：1.895refractive index：1.540 dissol

Physical Property: Melting point 318.4 degrees Celsius, boiling point 1390 degrees Celsius, relative density 2.130. Chemical properties: Solubility soluble in water and heat. And soluble in ethanol and glycerin, Insoluble in acetone, either. Dew on the a

Physical Property: Melting point 360.4ºC ; boiling point 1320-1324 degrees Celsius; The relative density 2.044 (20 ° c). Chemical properties: In the air deliquesce hygroscopic and easily. But it is with carbon dioxide，that would generate potash

Physical and Chemical property: density:1975 °C boiling point: 2360 °C solubility: 0.16 mg / 100 ml（30 °C） Appearance:White powde Usage:It is used widely in Rubber products Characteristics:Besides industry grade, pharmaceutical gr

Physical and Chemical property:good dispersion, stable storage , good impermissibility in the application of system and to enhance the antirust paint, anti-ultraviolet radiation properties Purpose:Building industry, building material, paint, plastics et

Physical and Chemical property: Fe2O3,%≥86;screenings%≤0.5;Water soluble salt≤0.5%;moisture≤1%;Oil absorption quantity 25-35%;PH value：3.5-7 ;intensity 3.5;melting point : 350~400℃ Appearance : lemon yellow and grey