2019-09-23 561
1、 Overview: The molecular formula is HNO3 Physicochemical properties: pure nitric acid is a colorless fuming liquid, and the general commodity is slightly yellow. Nitric acid is irritant and unstab
2019-09-23 429
IGeneralState Molecular formula Na2CO3 molecular weight 105.99. Also known as soda ash. Light anhydrous sodium carbonate is a white flowing powder with astringent taste. It is easily soluble in water
2019-09-23 448
1、 Overview Molecular formula Koh, molecular weight 56.11. Properties: pure products are white orthorhombic crystals, and industrial products are white flakes or rods. Specific gravity 2.044, meltin
2019-09-23 440
1、 Overview Molecular formula: H2SO4 Properties: sulfuric acid is a colorless, transparent and oily liquid. Boiling point 270 ℃. Freezing point 10.4 ℃. Specific gravity 1.82-1.84. Sulfuric acid is o
2019-09-23 421
1、 Overview: Indicative formula: HCOOH molecular weight: 46.03 common name: formic acid Properties: formic acid is the simplest carboxylic acid. Colorless and pungent liquid. Weak electrolyte, melti
2019-09-23 431
1、 Overview: Illustrative formula:Molecular weight of HCHO: 30.00Common name: Forrest Marin Properties: This product is colorless, pungent and malodorous liquid. It is easy to polymerize at low temp
2019-09-23 470
1、 Overview Commonly known as manganous oxide. Molecular formula: KMnO4 molecular weight: 158.04 Property: dark purple, metallic luster crystal, belonging to orthorhombic system., When heated to 240
2019-09-23 487
1、 OverviewThe reaction of hydrogen with ammonia water (NH4OH) becomes ammonia water.Properties: ammonia is a colorless liquid with strong pungent smell. Concentrated ammonia containing 28-29% ammonia
2019-09-23 536
1、 Overview: Molecular formula: FeSO4 ? 7h 2O, molecular weight: 278.05 Ferrous sulfate is monoclinic crystal of sky blue or green, with specific gravity of 1.898 and melting point of 64 ℃. It chang
2019-09-23 585
1、 Overview Molecular formula: NiCl2 · 6H2O, molecular weight: 237.70. Properties: This product is a green monoclinic columnar crystal with a density of 3.55, a melting point of about 80 ℃, and an a