Polycarboxylate superplasticizer is a third-generation high-performance water-reducing agent, belonging to environmentally friendly concrete admixtures. Its applicable standards include GB8076-1997, Ministry of Railways Science and Technology Basic Document [2005] No. 101, and JG/T223-2007. It is suitable for the preparation of high-strength, high-performance concrete and is widely used in high-speed rail, highways, nuclear power, and other fields.

Imidazole group denotes a heterocyclic organic compound whose molecule contains a five-membered hetero-aromatic ring of two non-adjacent nitrogen atoms, that a carbon atom is placed between two nitrogen atoms. Imidazole is the universally used trivial name for 1,3-azole. Earlier given names were glyoxaline and iminazole. The importance of this aromatic ring system is reflected by its presence in naturally occurring histidine, histamine and the purines, and in several classes of pharmaceuticals. Imidazole can act as a base and as a weak acid. It exists in two tautomeric forms with the hydrogen atom taking position between the two nitrogen atoms.

Dimethylformamide is a flammable, colorlessliquid with a fishy, unpleasant, amine-like odor at relativelylow concentrations.

Aniline is the simplest primary aromatic amine, a compound formed when one hydrogen atom in the benzene molecule is replaced by an amino group. It is a colorless, oily, flammable liquid with a strong odor.

Chlorobenzene 108-90-7 is used primarily as raw material for the synthesis of o- and p-nitrochlorobenzene and 2,4-dinitrochlorobenzene.Important quantitative chemical conversions other than the production of nitrochlorobenzenes are the production of diphenyl oxide and diphenyldichlorosilane.

Phenol (CAS# 108-95-2) is a crucial organic chemical compound with a variety of applications. It is used in the production of phenolic resins, bisphenol A, caprolactam, salicylic acid, picric acid, pentachlorophenol, 2,4-D, adipic acid, and phenolphthalein N-acetylethanolamine, among other chemicals and intermediates. Phenol is also utilized as a solvent, laboratory reagent, and disinfectant. It plays a significant role in industries such as chemical raw materials, alkylphenols, synthetic fibers, plastics, synthetic rubber, medicine, pesticides, fragrances, dyes, coatings, and oil refining.

Acrylonitrile (CAS# 107-13-1) is a colorless, volatile liquid with a pungent odor, known for its high reactivity and flammability. It is primarily used in the production of polymers such as acrylic fibers, modacrylic fibers, acrylonitrile-butadiene-styrene (ABS) resins, and styrene-acrylonitrile resins. Additionally, it is utilized in the synthesis of adiponitrile, a key precursor in nylon production, and in the creation of nitrile rubber and various plastics. Acrylonitrile is also recognized for its applications in coatings, adhesives, dyes, pharmaceuticals, and as a fumigant in the agricultural industry. It is important to note that due to its toxicity and potential health hazards, strict safety measures are required during its handling and storage

Epichlorohydrin is a kind of organochlorine compound as well as epoxide. It can be used as an industrial solvent. It is a highly reactive compound, and can be used for the production of glycerol, plastics, epoxy glues and resins, and elastomers. It can also be used for the production of glycidyl nitrate and alkali chloride, used as the solvent of cellulose, resins, and paint as well as being used as an insect fumigant. In biochemistry, it can be used as a crosslinking agent for the production of Sephdex size-exclusion chromatography resins. However, it is a potential carcinogen, and can cause various kinds of side effects on respiratory tract and kidneys. It can be manufactured through the reaction between allyl chloride with hypochlorous acid as well as alcohols.

1,3-Butanedithiol is an alkanethiol.

Diethyl malate is a malate ester obtained by the formal condensation of the two carboxy groups of malic acid with two molecules of ethanol respectively. It has a role as a metabolite.