Browse 961 Chemical Products and Raw Materials
Acetic Acid
Acetic acid, also called acetic acid and glacial acetic acid, has the chemical formula CH3COOH, which is an organic monobasic acid and is the main component of vinegar. Pure anhydrous acetic acid (glacial acetic acid) is a colorless hygroscopic solid with a freezing point of 16.6°C (62°F). After solidification, it becomes a colorless crystal. Its aqueous solution is weakly acidic and highly corrosive. The steam is irritating to the eyes and nose. Sexual effect.
Acetic Acid Potassium Salt
Pharmaceutical Acetic acid, potassium salt quality index
Acetochlor
It is a member of the class of herbicides known as chloroacetanilides. Its mode of action is elongase inhibition, and inhibition of geranylgeranyl pyrophosphate (GGPP) cyclisation enzymes, part of the gibberellin pathway. It carries high risks of environmental contamination.
Acid Blue 90
Dark brown powder. Slightly soluble in cold water, soluble in hot water, the aqueous solution is bright blue, adding sodium hydroxide solution to become purple. It is bright blue when dissolved in ethanol. It is blood-red in concentrated sulfuric acid, and orange-red after dilution.
Acid Blue 93
It is a weak acid dye, soluble in water and alcohol. Methyl blue is widely used in animal and plant production technology. When combined with eosin, it can dye nerve cells, which is also an indispensable dye in bacterial production. Aqueous solution is the living dye of protozoa. Methyl blue is very easy to oxidize, so it can not be preserved for a long time after dyeing.
Acid Green 1
Biological staining, complexation indicator. Naphthol green B can be combined with acid chrome blue K to form a mixed indicator KB indicator, which makes its color change more acute, from purplish red to blue green.
Acid Red 18
Red to dark red powder, the aqueous solution is red, odorless. Easily soluble in water, soluble in glycerin, slightly soluble in ethanol, and insoluble in oil. It has good light resistance and acid resistance, stable to citric acid and tartaric acid, poor bacterial resistance, and poor heat resistance and reduction resistance. Turns brown in alkaline solution. The maximum absorption wavelength is (508±2) nm. Rat oral LD50 is greater than 8000mg/kg, mouse oral LD50 is 19300mg/kg, ADI0-4mg/kg (FAO/WHO, 1994). Carmine aluminum lake is red fine powder, odorless. It has better light resistance and heat resistance than carmine, and is insoluble in water and organic solvents. Used as food coloring agent, medicine and cosmetics coloring agent.
Acid Red 27
Reddish brown to dark reddish brown powder or granules. Odorless. It has strong light resistance and heat resistance (105°C), and poor oxidation and reduction resistance. It is not suitable for fermented foods and foods containing reducing substances. Stable to citric acid and tartaric acid. It turns dark red in contact with alkali. It is easy to fade in contact with copper and iron. The dyeing power is weak. It is easily soluble in water (17.2g/100ml, 21℃) and glycerin. The aqueous solution is purple. Slightly soluble in ethanol (0.5g/100mL50% ethanol).
Acifluorfene
Equimolar 3,4 dichlorobenzotrifluoride and mhydroxybenzoic acid, in the presence of KOH in DMSO as solvent,
Acrylamide
Acrylamide (or acrylic amide) is a chemical compound with the chemical formula C3H5NO.
Acrylic Acid
Acrylic acid is the simplest unsaturated carboxylic acid, and its molecular structure is composed of a vinyl group and a carboxyl group. Pure acrylic acid is a colorless, clear liquid with a characteristic pungent odor. The density is 1.0511. The melting point is 14°C. The boiling point is 140.9°C. Strong acidity. Corrosive. Soluble in water, ethanol and ether. The chemical nature is lively. Easy to polymerize into transparent white powder. Propionic acid is generated during reduction. When added with hydrochloric acid, 2-chloropropionic acid is generated. Used in the preparation of acrylic resins, etc., and also in other organic synthesis. It can be obtained by oxidation of acrolein or by hydrolysis of acrylonitrile. It can also be synthesized by acetylene, carbon monoxide and water, or by pressure oxidation of ethylene and carbon monoxide.
Acyclovir
Aciclovir (INN, BAN. Brand names: Cyclovir, Herpex, Acivir, Acivirax, Zovirax, Zoral, Xovir and Imavir) or acyclovir (USAN, former BAN), chemical name acycloguanosine, abbreviated as ACV, is a guanosine analogue antiviral drug. It is one of the most commonly used antiviral medicine, that is primarily used for the treatment of herpes simplex virus infections, as well as in the treatment of varicella zoster (chickenpox) and herpes zoster (shingles).
Adriamycin
Adriamycin, also known as 14-hydroxy-positive-amicin, 14-hydroxy-daunorubicin, doxorubicin, adriamycin, adriamycin, and hydroxyrubicin, is an anthracycline anti-tumor antibiotic produced by the subspecies of Streptomyces bosaiensis, which is a non-specific drug in cell cycle and sensitive to s and M phases. The hydrochloride is orange needle crystal. Melting point 204-205 ℃. Soluble in water, ethanol and methanol. The aqueous solution is stable, and it will not change for one month when it is placed at 5 ℃, but it is unstable when it is higher temperature or in acid or alkaline solution. The acid solution is orange yellow, the neutral solution is orange chemical book red, and the alkaline solution is purple blue (pH > 9). Insoluble in acetone, benzene, petroleum ether, ether, chloroform. It is an antineoplastic antibiotic isolated from actinomycetes. The mechanism of action is similar to daunorubicin. Its antitumor spectrum is wide and its therapeutic index is high.
Afatinib
Afatinib is a potent and irreversible dual inhibitor of epidermal growth factor receptor and human epidermal growth factor receptor 2 tyrosine kinase. This product is suitable for the treatment of the following patients: 1. Local advanced or metastatic non-small cell lung cancer with EGFR receptor gene sensitive mutation, 2. Local advanced or metastatic squamous cell lung cancer without EGFR tyrosine kinase inhibitor treatment during or after chemotherapy with platinum.
Agar
Agar is a gelatinous substance, obtained from algae. Agar (agar-agar) can be used as a laxative, an appetite suppressant, vegetarian gelatin substitute, a thickener for soups, in fruit preserves, ice cream, and other desserts.
Albendazole
Albendazole, marketed as Albenza (United States), Eskazole, Zentel, Andazol and Alworm, is a benzimidazole drug used for the treatment of a variety of parasitic worm infestations. It is marketed in theU.S.by Amedra Pharmaceuticals, and by GlaxoSmithKline in international markets. Albendazole was first discovered at the SmithKline Animal Health Laboratories in 1972. It is a broad spectrum anthelmintic, effective against roundworms, tapeworms, andflukes of domestic animals and humans.
Alizarin Red S
Orange yellow or yellow brown powder, soluble in water, slightly soluble in ethanol, insoluble in benzene and chloroform; pH of 1% aqueous solution is 2.15, and its aqueous solution is light yellow brown, yellow after adding hydrochloric acid, and blue purple after adding sodium hydroxide. As a dye coordination agent, it has been widely used in spectrophotometry. In recent years, many authors have applied the adsorptive catalytic wave of ARS and its metal complexes on the mercury electrode to the electroanalysis, which has improved the sensitivity and selectivity of the determination.
Allantoin
Allantoin has anti-inflammatory and analgesic effects, and it also has weak local paralysis effect, which can effectively reduce the stimulation of irritants. It can be used as a skin protection agent and anti irritant, which can reduce the stimulation of cosmetic ingredients on the skin. China food and drug administration has listed it as the first type of high-efficiency active group skin care agent, which has been widely used in shampoo and sunscreen products Cream products, shaving cream and oral care products.
Alpha-Cypermethrin
The pure product is white to cream crystal. m. P.80.5 ℃, relative density 1.12, vapor pressure 170 × 10-6pa at 20 ℃. Soluble in alcohol, ketone and aromatic hydrocarbon organic solvents, such as 515g / L cyclohexanone, 315g / L xylene, solubility in water 5-10mg / L (0.01-0.2mg / L). It is stable in acid and neutral conditions, hydrolyzable in strong alkaline conditions and has good thermal stability. Cypermethrin efficient isomer. It has the functions of contact killing and stomach toxicity, broad insecticidal spectrum, fast knockdown rate and high biological activity. It is mainly used to control various crop pests and sanitary pests on cotton, vegetables, fruit trees and tea.
Alpha-methyldopa
Left-handed methyldopa is a B blockers core vascular medicine, to moderate program of primary and renal hypertension has good curative effect.
Aluminon
Aluminum reagent is also called Rose Red tricarboxylic acid triammonium, 3 - [bis (3-carboxyl-4-hydroxyphenyl) methylene] - 6-oxygen-1, 4-cyclohexadiene-1-carboxylic acid triammonium salt, lysoon, c.i.43810 (rose red tricarboxylic acid). Orange to brown glassy powder. The relative molecular weight is 473.43. Melting point 223-225 ℃ (decomposition). The absorption wavelength is λ Max 522nm. Insoluble in ether, acetone, chloroform, slightly soluble in ethanol, easily soluble in water. With aluminum, chromium, iron, beryllium can form a lake. This product has the structure of triarylmethane and has hydroxyl group and - NH4 group on the aromatic ring, so it has the function of color development.
Aluminum Chlorohydrate
Polyaluminium chloride is a kind of inorganic polymer. It has certain cementitious property, and can be used as the cementitious material of refractory coating, ultrapure alumina products and refractory concrete. Polyaluminium chloride is a kind of high valence polyhydroxy electrolyte, which can be regarded as the intermediate product of AlCl3 hydrolysis to Al (OH) 3. The gel core is positively charged and the hydrolysis is acid. The composition of this kind of products is a mixed system composed of various aqueous complexes in a certain proportion under certain conditions. Its expression is [Al2 (OH) n · cl6-n] m, where n = 1-5, m ≤ 10.
Aluminum Hydroxide
Aluminum hydroxide is a white solid, insoluble in water, soluble in acid or alkali, and is a typical amphoteric hydroxide. After it is heated and dehydrated in the air, it can be transformed into alumina, which is of great significance to alumina production. Aluminum hydroxide is a widely used chemical product, mainly used as fillers for plastics and polymers, flame retardants and binders for carpets, fillers for epoxy resins, color fillers and coatings for papermaking, and production of sulfuric acid Aluminum, alum, aluminum fluoride, sodium aluminate, synthetic molecular sieves, fillers for toothpaste, glass ingredients, and its gel liquid and dry gel are used as antacids in medicine, neutralizing gastric acid and protecting ulcers It is used to treat stomach and duodenal ulcers and hyperacidity.
Ametryn
Ametryn is a methylthiotriazine based herbicide which inhibits photosynthesis and other enzymatic processes. Ametryn is used to control broadleaf weeds and annual grasses in pineapple, sugarcane and b ananas.
