1 Organic Chemical Raw Material Category
        Hydrocarbons: Propylene, Hydrogen, Methane, n - Hexane, 1,3 - Butadiene [Stabilized], 1,4 - Dimethylbenzene, Methyl tert - butyl Ether, Ethane, 2 - Methylbutane, Acetylene, Cyclopentene, Benzene, 1,2,4 - Trimethylbenzene, 1,2,3 - Trimethylbenzene, Cyclopentane, n - Octane, Propane, Ethylene, 2 - Pentene, n - Pentane, 3 - Methyl - 1 - butene, Isobutane, 2 - Butene, 1 - Butene, Isobutylene, 2 - Methylpentane, Isooctane
          Alcohols and Phenols: N,N - Dimethylethanolamine, Methanol, Isoamyl Alcohol, Phenol, 2 - Propanol, n - Butanol, 2 - Aminoethanol
          Ethers: 1,2 - Propylene Oxide, Dimethyl Disulfide, Dimethyl Ether, 1,2 - Dimethoxyethane, Ethylene Glycol Isopropyl Ether, Ethylene Glycol Ethyl Ether, Ethylene Glycol Diethyl Ether
         Esters: Dimethyl Carbonate, n - Butyl Acetate, Ethyl Acetate
          Other Organic Compounds: 1.3,5 - Trimethylbenzene, 2 - Methyl - 2 - butene, Tetrapropylene, Anthracene Oil Cream, Anthracene Oil Emulsion, Crude Benzene
2  Inorganic Chemical Raw Material Category:
     Zinc Chloride, Zinc Sulfate, Sodium Hydroxide, Ammonium Bifluoride, Ammonium Fluoride, Phosphorous Acid, Fluosilicic Acid
3 Hazardous Chemicals Category (Including Flammable - Explosive, Toxic - Harmful, etc.)
    Flammable - Explosive Gases: Propylene, Hydrogen, Methane, Acetylene, Ethylene, Oxygen [Compressed or Liquefied]
Flammable Liquids (Some Organic Chemical Raw Materials Also Belong to This Category): 
     n - Hexane, 1,2 - Propylene Oxide, Methyl tert - butyl Ether, Benzene, Methanol, Ethanol [Anhydrous], 2 - Propanol, n - Butanol, Petroleum Ether, Ethyl Acetate, Isooctane and Most Other Organic Solvents
     Toxic - Harmful Chemicals: Sulfur Dioxide, Phenol, Formaldehyde Solution, Fumaric Acid, etc. (Some Organic and Inorganic Compounds Can Also Be Classified into This Category Due to Their Toxicity)
4 Polymer - related Raw Materials or Auxiliaries (Can Initiate Polymerization Reactions, etc.): 
           Azobisisobutyronitrile, Tetrahydrofuran, N - Bromosuccinimide, N - Chlorosuccinimide, N - Iodosuccinimide, N - Hydroxysuccinimide
5 Petroleum Products and Derivatives Category: 
          Naphtha, Petroleum Ether, Liquefied Petroleum Gas, Tripropylene, Coal Tar, Nitrated Asphalt, Asphalt, Coal - tar Pitch, Asphalt Coating, Solvent Oil [Closed - Cup Flash Point ≤60℃]