Carbopol 940 solubility in ethanol. 5 to 3 Solubility: Insoluble in Water Melting Point: 482°F Appearance (Colour): White - off white Appearance (Form): Powder Loss on Apr 20, 2024 · Carbopol - Introduction MethylMethacrylate Resin, commonly known as plexiglass, is a polymer compound polymerized by methyl methacrylate. Carbopol ® 940 polymer is a white powder, crosslinked polyacrylic acid polymer. 56. In the case of metformin HCl, the release rate decreased with the increasing ethanol concentration due to the solubility of metformin HCl decreasing with the increasing amount of ethanol in the dissolution media [91]. , 2002), showed that the presence of ethanol decreases the consistency of the hydrogel. Dec 5, 2025 · Carbopol® 940 polymer is a white powder, crosslinked polyacrylic acid polymer. Apr 1, 2022 · Physical observation was taken for carbopol 940 gel base in three solvent namely water, methanol and ethanol to check solubility. 0% 0. 5 w/w) in aqueous and hydroalcoholic media (15% w/v and 30% w/v ethanol) (Fresno et al. It has a glass transition temperature of 100-105°C and is soluble in water, ethanol, and glycerin. It is soluble in water and forms clear, high-viscosity gels upon neutralization within a pH range of 5 to 8. 1–0. 002% Note(s) : Assay (if applicable) meth. Carbopol 940 is a versatile and widely used thickening agent in various industries, including cosmetics, personal care, and pharmaceutical formulations. These results show that the influence of alcohol on Carbopol®-based tablets is due to the drug solubility, the polymer grade and the interplay between the ethanol concentration and the medium pH. 0% 190. DG Code : Hazard statements: Causes mild ski. The polymer is highly efficient even at low concentrations and is compatible with a broad In addition, the presence of ethanol affected the in vitro release behavior of Carbopol® matrix tablets. Carbopol 940 is very hygroscopic and will clump with moisture. It acts used as a rheology modifier, high viscosity builder & stabilizer in cosmetics. Causes serious ey. Commonly used synthesis methods include anionic polymerization, solution polymerization, bulk polymerization, and suspension polymerization. hite powder. One report, that compared the flow behaviour of Carbopol® Ultrez™ 10 (0. irritation. It is an extremely efficient rheology modifier capable of providing high viscosity and forms sparkling clear gels or hydro-alcoholic gels and creams. Dec 17, 2025 · Carbomer 940 Chemical Properties,Uses,Production Chemical Properties Carbomer 940, also known as carbopol 940, is a white powder that is a high molecular polymer cross-linked by acrylic acid and allyl sucrose ether or allyl pentaerythritol ether. Shelf: 18mos. Precautionary statements Prevention: Wash hands thoroughly af. Dec 17, 2025 · Carbomer 940, also known as carbopol 940, is a white powder that is a high molecular polymer cross-linked by acrylic acid and allyl sucrose ether or allyl pentaerythritol ether. The batch size, grade and percentage of Carbopol, and the product viscosity (dependant on pH of solution before neutralization) dictate which Silverson mixer is most suitable for individual process requirements. 2. Nov 29, 2013 · Carbopol 940, 941, and 934 were breakthrough technologies that revolutionized how personal care products are formulated and created new types of products that were previously not possible to make. Aug 15, 2020 · Get instant access to Carbopol® 940 polymer technical datasheet. Jan 1, 2021 · PDF | On Jan 1, 2021, Fenny Indah Safitri and others published Overview: Application of Carbopol 940 in Gel | Find, read and cite all the research you need on ResearchGate Carbopol 940 is a high molecular weight, cross-linked polyacrylic acid polymer that appears as a white, fluffy powder and is widely used for its thickening, suspending, and stabilizing properties. Carbomer Advantages Very efficient water thickening using <1% polymer (no electrolytes). Can make aqueous or alcoholic clear gels. 1% for Canada, Europe & Korea. Its short flow, non-drip properties are ideal for applications such as clear gels, hydroalcholic gels, and creams. Keywords: Carbopol gel, Solubility , polymer content. It is a crosslinked polyacrylic acid polymer. . A Brookfield LTV viscometer was used to measure apparent viscosities of 1% Carbopol 940 dispersions mixed with various organic solvents in order to determine the parameter of solubility of this polimer. Typical Properties of Carbopol® Polymers and PemulenTM Pharmaceutical-Grade Polymers The differences between Carbopol 971P NF polymer and Carbopol 71G NF polymer are particle size and density. 400. 0-68. when properly stored / handled Specifications of Carbopol 940: Appearance: White Powder Odor: Slight Acetic Odor pH of 1% Solution: 2. * We can meet the requirement of residual benzene level of 0. 0-35000 cPs. Products within the Carbopol® polymer family are chemically similar in that they are all high molecular weight, crosslinked polyacrylic acid polymers. When neutralised with alkali hydroxide or amine it dissolves in water, alcohol . nqmtgv fdcood rjbju zlyd vtmjx fszws rjhiig pcxq wooys vfnz