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CAS:9067-32-7
Molecular Formula:C28H42N2Na2O23
Hyaluronesodium; Hyaluronic Acid Sodium Salt
Brief Introduction
Sodium hyaluronate is a kind of physiological active substance widely existing in human body. It is a kind of high molecular weight straight chain mucopolysaccharide polymerized by disaccharide unit composed of glucuronic acid and acetaminohexose. It forms a kind of thick viscoelastic solution in water with physiological pH and ionic strength. Its molecular form is variable, so it can be passed through with a thinner injection needle. The substance that does not produce inflammation in sodium hyaluronate is extracted, which is called Healon. Sodium hyaluronate can promote wound healing. Sodium hyaluronate can form a macromolecular network barrier on the surface of eye tissue, prevent inflammatory substances from entering the wound and lesion area, and can significantly improve the viscosity and adhesion of the drug solution, so that the drug can remain on the corneal surface for a long time and intensively, achieving a long-term and powerful effect. Sodium hyaluronate can stabilize the tear film, prolong the tear film rupture time and relieve the symptoms of dry eyes. It is used for corneal burns caused by keratitis, corneal ulcer, corneal injury or other chemical and physical factors. Therefore, sodium hyaluronate is widely used in high-end cosmetics industry, as well as in the treatment of dry eye syndrome.
CAS:94-13-3
Molecular Formula:C10H12O3
Propyl 4-Hydroxybenzoate; 4-Hydroxybenzoic Acid Propyl Ester; 4-Hydroxybenzoic Acid N-Propyl Ester; Propyl Paraben; N-Propyl P-Hydroxybenzoate Sigmaultra; Propyl P-Hydroxybenzoate; N-Propyl 4-Hydroxybenzoate; Nipasol; Nipazol; Propyl Parahydroxybenzoate; Propyl Butex; Betacide P; Propylparasept; N-Propyl P-Hydroxybenzoate; Propyl Parasept
Brief Introduction
Propyl Paraben is mainly used as a bactericidal preservative in food, cosmetics and medicine, and also as a feed preservative.
CAS:97-67-6
Molecular Formula:C4H6O5
Butanedioic Acid, Hydroxy-, (S)-; (S)-2-Hydroxysuccinic Acid; L(-)-Malic Acid; L-Malic acid; Apple acid; L-Apple acid; L-Hydroxysuccinic acid
Brief Introduction
The naturally occuring isomer is the L-form which has been found in apples and many other fruits and plants. Selective α-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid receptor agonists, 1α,25-dihydroxyvitamin D3 analogue, and phoslactomycin B.
CAS:98-01-1
Molecular Formula:C5H4O2
2-Furaldehyde; 2-Furancarbothioic Acid,O-Ethyl Ester; 2-Furancarboxaldehyde; Furaldehyde; Furan-2-Carbaldehyde; Furan-2-Thiocarbonsaeure-O-Ethylester; Furan-2-Yl Carboxaldehyde; Furan-2-Ylcarbaldehyde; Furfuryl-2-Carboxaldehyde; α-Furfuraldehyde; 2-Furanurmethyl Alcohol
Brief Introduction
This product is used as raw material of organic synthesis, as well as synthetic resin, varnish, pesticide, medicine, rubber and coating. It is used for tanning face leather. It should be stored in a cool and ventilated warehouse, away from light, sunlight and fire.
Acetylated Bisstarch Adipate
Brief Introduction
Acetylated double starch adipate, also known as double denatured glutinous rice powder, is a white to similar white powder, odorless, tasteless, insoluble in cold water and ethanol, and turns reddish brown in the presence of iodine. After the starch is co heated with water, it turns into translucent colloid under certain conditions. Compared with the original starch, its solubility, swelling power and transparency were significantly improved; The aging tendency was significantly reduced and the freezing stability was improved. Acetylated double starch adipate is a widely used chemical modified starch. The product not only has the inherent characteristics of glutinous rice, such as scent, glutinous, sticky, but also has the characteristics of good aging resistance and formability of modified starch, and can be applied to the processing of cakes such as sweet potato and green tea. Acetylated double starch adipate is a composite modified starch obtained by crosslinking and esterification of starch with the mixed anhydride of adipic acid and acetic anhydride and double denaturation of starch. The modified starch has excellent water breaking resistance, good transparency, low temperature stability and acid resistance.
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