Properties and Characteristics of Two Types of Cationic Surfactants The charge in cationic surfactants is opposite to that of anionic surfactants, so …

Aromatics (Class III Dangerous Goods) Aromatic hydrocarbons mainly from the refinery catalytic reforming device by aromatic extraction, ethylene devic…

Category III hazardous materials Diesel fuel (Class III hazardous material) It is a light petroleum product, a mixture of complex hydrocarbons (about …

Diisopropyl peroxide (Class V hazardous material) Also known as sulfurizing agent DCP, Dicumyl peroxide. Molecular formula C18H22O2, relative molecula…

Diisopropyl peroxide (Class V hazardous material) Also known as sulfurizing agent DCP, Dicumyl peroxide. Molecular formula C18H22O2, relative molecula…

The concept of catalysts There are three cognitive levels for mastering basic concepts: 1. memory characterization (retentive mechanical memory, compr…

Ether (Class VI hazardous) Colorless transparent liquid. Has a peculiar pungent odor. With sweet odor. Extremely volatile. Its vapor is heavier than a…

Formaldehyde (Class VI Hazardous Chemicals) Chemical formula HCHO, formula 30.03, also known as ant aldehyde. Colorless gas, with a special odor, irri…

Ethyl acetate (Class III hazardous material) Colorless clarified liquid with aromatic odor, volatile. Melting point (℃): -83.6, boiling point (℃): 77….

Ethanolamine (Class VIII Hazardous Chemicals) Colorless transparent viscous liquid at room temperature and pressure, with ammonia odor, alkaline, corr…

Liquid ammonia (Class II dangerous goods) Also known as anhydrous ammonia, it is a colorless liquid with a strong irritating odor. As an important che…