Acetic acid , the concentration of which is close to 100%, is called glacial. 70вЂ“80% aqueous solution of acetic acid is called acetic essence, and 3вЂ“15% is called vinegar . Aqueous solutions of acetic acid are widely used in the food industry (food additive E260) and household cooking, as..
?-Butyrolactone is an organic compound that belongs to the class of esters, or rather lactones. The smell is ethereal, somewhat sharp, specific. The contaminated one has bitter, strong. It is used: for the manufacture of the GABA preparation, according to the DuPont technology. as a solvent,..
Creosote is a colorless (sometimes yellowish or yellowish-green), flammable, hardly soluble in water, oily liquid with a strong odor and a pungent taste, obtained from wood and coal tar. It is a mixture of phenols, mainly guaiacol and cresols. Application Wood creosote is used for tuberculosis ..
Naphthalene - С10Н8 is a solid crystalline substance with a characteristic odor. It does not dissolve in water, but we dissolve well in benzene, ether, alcohol, chloroform. Application Important raw material of the chemical industry: used for the synthesis of phthalic anhydride, tetralin, decal..
Ethyl ether Synonyms: Ethyl ether, diethyl ether, ethoxyethane, sulfuric ether Bp: 34.48 В° C Freezing point: -116.30 В° C Ethyl ether is marketed in the form of preparations of various degrees of purity; therefore, the choice of reagent depends on the purpose for which it is intended. ..
Formaldehyde (from Latin form?ca "ant") is a colorless gas with a pungent odor, readily soluble in water, alcohols and polar solvents. Irritant, toxic. Application An aqueous solution of formaldehyde (methanediol) stabilized with methanol - formalin - causes denaturation of proteins, therefore ..
phenol-formaldehyde resin We all have some time to deal with resin, but we probably did not think about where and how it is formed. Under the word resin, we represent a very thick, viscous substance with a characteristic odor, black or yellowish color we are accustomed to. Indeed, the resin ..
N-Methylpyrrolidone (NMP) International name: N-Methyl-2-Pyrrolidone (NMP) N-Methylpyrrolidone (NMP) is used as a solvent in the production of technical polymers and coating resins. It is a liquid with a high boiling point, polar aproticity and low viscosity. NMP is readily soluble in many or..
Formalin (or water-methanol solution of formaldehyde) is a sharp-smelling colorless transparent liquid. During storage, a white precipitate may form, soluble at a temperature of no more than 40 В° C. Formalin chemical formula: CH2O Formalin is used in the production of: synthetic rubber an..
Salicylic acid - 2-hydroxybenzoic or phenolic acid, C6H4 (OH) COOH; colorless crystals, well soluble in ethanol, diethyl ether and other polar organic solvents, poorly soluble in water (1.8 g / l at 20 В° C). Salicylic acid - active component of willow bark. Back in the 19th century. it was use..
Propylene (propene) CH2 = CH-CH3 - unsaturated (unsaturated) hydrocarbon of the ethylene series, a combustible gas. Substance with narcotic effect is stronger than that of ethylene. Hazard class - fourth. Application For the production of propylene oxide, for the production of isopropyl alcoho..
Triacetin E1518 (glyceryl triacetate, triacetylglycerin, Triacetin) is a food additive of artificial origin used as a water-retaining agent, a solvent. Triacetin is a colorless liquid with a bitter taste and a slight fatty odor. > E1518 is produced by chemical synthesis - the interaction of ace..